FindUtils Tool API
An open REST API for FindUtils tools. No API keys. No sign-up. Just HTTP.
300
REST tools
298
MCP tools
0
Auth steps
Live usage
Aggregate, anonymous activity across the Tool API. No personal data.
https://api.findutils.com/api Quick Start
Make your first request in seconds. No setup required.
# Encode text to Base64
curl -X POST https://api.findutils.com/api/tools/base64/execute \
-H "Content-Type: application/json" \
-d '{"text": "Hello, World!", "action": "encode"}' Browse every tool
309 tools, 300 over REST and 298 over MCP. Open one to see its input schema, a verified example request, and the matching MCP call.
Data
47 toolsApi Docs Generator
REST MCPReturn API documentation generated from a list of endpoints, as Markdown (with table of contents, request/response examples) or as an OpenAP
POST /api/tools/api-docs-generator Csv To Json
REST MCPParse CSV text into an array of objects keyed by the header row.
POST /api/tools/csv-to-json Graphql To Typescript
REST MCPConvert a GraphQL SDL schema into TypeScript type definitions and return the generated code with counts of emitted types, enums, and inputs.
POST /api/tools/graphql-to-typescript Html Table To Json
REST MCPConvert an HTML <table> into JSON — an array of objects keyed by the header row, or an array of row arrays.
POST /api/tools/html-table-to-json Jq Playground
REST MCPReturns the result of running a jq-style filter over a JSON document.
POST /api/tools/jq-playground Json Comparer
REST MCPReturns a git-style line diff of two JSON documents after both are pretty-printed with 2-space indentation.
POST /api/tools/json-comparer Json Diff
REST MCPReturns the semantic differences between two JSON documents as a list of added, removed and modified paths with their old and new values, pl
POST /api/tools/json-diff Json Faker
REST MCPReturns an array of fake JSON records built from a field list, for testing and prototyping.
POST /api/tools/json-faker Json Flatten
REST MCPFlatten a nested JSON object into a single-level map with dot-separated keys.
POST /api/tools/json-flatten Json Format
REST MCPPretty-print JSON with the requested indentation (1-8 spaces).
POST /api/tools/json-format Json Minifier
REST MCPMinify JSON to a single line with no whitespace and return the compact text plus original size, minified size (bytes), and reduction percent
POST /api/tools/json-minifier Json Path Finder
REST MCPReturns every match of a JSONPath expression in a JSON document: the concrete path and value of each match, the match count, and a convenien
POST /api/tools/json-path-finder Json Query
REST MCPExtract a value from JSON via a dotted path.
POST /api/tools/json-query Json To Bootstrap Form
REST MCPReturns Bootstrap 5 form markup generated from a JSON form schema ({ formId?, layout?, method?, action?, fields: [...], submitText? }).
POST /api/tools/json-to-bootstrap-form Json To Chart
REST MCPRender a bar, line, or pie chart as an SVG string from JSON data of the form {"title","type","data":[{"label","value","color?"}]}.
POST /api/tools/json-to-chart Json To Csv
REST MCPConvert a JSON array of flat objects into CSV.
POST /api/tools/json-to-csv Json To Email Template
REST MCPGenerate a responsive, table-based HTML email (header, greeting, body paragraphs, button, footer, unsubscribe link) from JSON such as {"titl
POST /api/tools/json-to-email-template Json To Go Struct
REST MCPReturns Go struct definitions (as source text) generated from a JSON object.
POST /api/tools/json-to-go-struct Json To Java Class
REST MCPGenerate Java POJO class source code from a JSON object.
POST /api/tools/json-to-java-class Json To Markdown Table
REST MCPConvert a JSON array of objects to a GitHub-flavoured Markdown table.
POST /api/tools/json-to-markdown-table Json To Org Chart
REST MCPGenerate nested HTML for an organisation chart from JSON of the form {"title","root":{"name","title","avatar","children":[...]}}.
POST /api/tools/json-to-org-chart Json To Pricing Table
REST MCPGenerate the HTML for a pricing table (div.pricing-container with .pricing-card/.plan-features classes) from JSON of the form {"title","curr
POST /api/tools/json-to-pricing-table Json To Product Card
REST MCPGenerate an e-commerce product card from JSON such as {"name","price","originalPrice","currency","rating","reviews","badges"} in one of 6 te
POST /api/tools/json-to-product-card Json To Profile Card
REST MCPGenerate a profile card for team pages and portfolios from JSON such as {"name","title","company","location","email","bio","skills","social"
POST /api/tools/json-to-profile-card Json To Python Class
REST MCPGenerate Python class source code from a JSON object as a dataclass, a Pydantic model, or a plain class.
POST /api/tools/json-to-python-class Json To React Form
REST MCPReturn a typed React (TSX) form component generated from a JSON schema of fields — inputs, textarea, select, checkbox, radio — with useState
POST /api/tools/json-to-react-form Json To Readme
REST MCPGenerate a README.md (title, shields.io badges, description, demo/docs links, features, installation, usage, contributing, author, license)
POST /api/tools/json-to-readme Json To Social Card
REST MCPGenerate a social-media / Open Graph card (1200x630 aspect) from JSON such as {"title","description","author","date","siteName","tag","backg
POST /api/tools/json-to-social-card Json To Tailwind Form
REST MCPGenerate React JSX for a Tailwind CSS styled form from a JSON form schema.
POST /api/tools/json-to-tailwind-form Json To Testimonial Card
REST MCPGenerate a testimonial / review card from JSON such as {"quote","author","title","company","rating","date","highlighted"} in one of 6 templa
POST /api/tools/json-to-testimonial-card Json To Timeline
REST MCPGenerate the HTML for a timeline (div.timeline with .timeline-event/.event-marker/.event-content classes) from JSON of the form {"title","or
POST /api/tools/json-to-timeline Json To Typescript
REST MCPGenerate TypeScript interfaces or type aliases from a JSON sample.
POST /api/tools/json-to-typescript Json To Url Params
REST MCPConvert a JSON object into a URL query string that starts with "?".
POST /api/tools/json-to-url-params Json To Xml
REST MCPConvert a JSON value to XML.
POST /api/tools/json-to-xml Json Unflatten
REST MCPUnflatten a dot-keyed flat object into a nested JSON object.
POST /api/tools/json-unflatten Json Visualizer
REST MCPReturn a text tree outline, structure statistics, and JSONPath list for a JSON document.
POST /api/tools/json-visualizer Json Yaml Converter
REST MCPConvert JSON to YAML or YAML to JSON and return the converted text.
POST /api/tools/json-yaml-converter Markdown Table Generator
REST MCPBuild a GitHub-flavoured Markdown table and return the markdown string.
POST /api/tools/markdown-table-generator Markdown Table Parse
REST MCPParse a GitHub-flavored Markdown table into structured rows: headers, column alignments, cell rows, and one record object per row.
POST /api/tools/markdown-table-parse Mock Json Generator
REST MCPGenerate an array of mock JSON records from a list of field definitions.
POST /api/tools/mock-json-generator Query String Parse
REST MCPParse a URL query string into an object.
POST /api/tools/query-string-parse Swagger To Openapi
REST MCPConvert a Swagger 2.0 document (JSON or YAML) to OpenAPI 3.0.3 and return the result as pretty-printed JSON with path and schema counts.
POST /api/tools/swagger-to-openapi Tsv To Csv
REST MCPConvert tab-separated values to comma-separated values (or any configured delimiter).
POST /api/tools/tsv-to-csv Url Params To Json
REST MCPParse URL query parameters into a JSON object.
POST /api/tools/url-params-to-json Url Parse
REST MCPParse a URL into its components: protocol, host, port, pathname, query (as an object, repeat keys become arrays), hash, origin, and userinfo
POST /api/tools/url-parse Xml To Json
REST MCPMinimal XML → JSON converter.
POST /api/tools/xml-to-json Yaml To Json
REST MCPMinimal YAML → JSON converter (scalars, maps, lists, basic block scalars).
POST /api/tools/yaml-to-json Text
30 toolsCase Convert
REST MCPConvert a string between camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE, Title Case, Sentence case, lower, UPPER.
POST /api/tools/case-convert Citation Generator
REST MCPGenerate a reference-list citation in APA 7, MLA 9, Chicago, or Harvard style for a book, website, journal, or article.
POST /api/tools/citation-generator Code Diff Checker
REST MCPReturns a line-by-line diff of two code snippets: each line marked added, removed or unchanged with its original and modified line numbers,
POST /api/tools/code-diff-checker Code Highlight Html
REST MCPReturns syntax-highlighted HTML for a code snippet: HTML-escaped text wrapped in <span style="color: ..."> elements using one of six colour
POST /api/tools/code-highlight-html Email Signature Generator
REST MCPGenerate an HTML email signature (table-based, inline styles, safe for Gmail/Outlook) from name, title, company, contact details and social
POST /api/tools/email-signature-generator Html Entity Finder
REST MCPSearch the HTML entity catalog and return matching entities with their character, named entity, decimal code, hex code, and category.
POST /api/tools/html-entity-finder Html Strip
REST MCPStrip all HTML tags from a string, converting block tags to newlines and decoding common entities.
POST /api/tools/html-strip Html To Markdown
REST MCPConvert HTML fragments to Markdown.
POST /api/tools/html-to-markdown Levenshtein Distance
REST MCPCompute the Levenshtein edit distance between two strings (minimum single-character insertions, deletions, or substitutions to transform A i
POST /api/tools/levenshtein-distance Line Dedupe
REST MCPRemove duplicate lines, keeping the first occurrence.
POST /api/tools/line-dedupe Line Sort
REST MCPSort lines alphabetically, numerically, or by length.
POST /api/tools/line-sort Lorem Ipsum Generate
REST MCPGenerate Lorem Ipsum placeholder text: words, sentences, or paragraphs.
POST /api/tools/lorem-ipsum-generate Lorem Ipsum Generator
RESTGenerate placeholder "Lorem Ipsum" text by words, sentences, or paragraphs.
POST /api/tools/lorem-ipsum Markdown To Html
REST MCPMinimal Markdown → HTML renderer with XSS-safe URL sanitization.
POST /api/tools/markdown-to-html Palindrome Check
REST MCPCheck if a string reads the same forwards and backwards.
POST /api/tools/palindrome-check Privacy Policy Generator
REST MCPGenerate a privacy policy in Markdown from a short questionnaire: what personal data you collect (name, email, phone, address, payment, usag
POST /api/tools/privacy-policy-generator Reading Time
REST MCPEstimate reading time for a block of text.
POST /api/tools/reading-time Site To Markdown
REST MCPConvert a full web page's HTML into clean Markdown, the way the Site to Markdown page does: navigation, footers, scripts, styles, iframes an
POST /api/tools/site-to-markdown Slugify Deep
REST MCPSlugify text with locale-aware diacritics handling (Turkish, German, French, Spanish) before falling back to Unicode NFD stripping.
POST /api/tools/slugify-deep Text Diff
REST MCPLine-by-line diff of two strings using LCS.
POST /api/tools/text-diff Text Find Replace
REST MCPFind and replace text and return the new text with the match and replacement counts.
POST /api/tools/text-find-replace Text Repeat
REST MCPRepeat text N times with an optional separator.
POST /api/tools/text-repeat Text Reverse
REST MCPReverse text by characters, words, or lines.
POST /api/tools/text-reverse Text Statistics
REST MCPCompute detailed text statistics: characters (with and without spaces), words, sentences, paragraphs, averages, plus Flesch Reading Ease (0-
POST /api/tools/text-statistics Text Summarizer
REST MCPCreate an extractive summary of a text and return the summary with word and sentence statistics.
POST /api/tools/text-summarizer Text Truncate
REST MCPTruncate text to a max length, optionally at the last word boundary, with a suffix.
POST /api/tools/text-truncate Tone Analyzer
REST MCPAnalyze the emotional tone of English text with a rule-based word dictionary and return tone scores (joy, sadness, anger, fear, confidence,
POST /api/tools/tone-analyzer Whitespace Clean
REST MCPClean whitespace in text: trim, collapse runs of spaces, remove blank lines, normalize newlines.
POST /api/tools/whitespace-clean Word Count
REST MCPCount words, characters, sentences, paragraphs, and estimated reading time.
POST /api/tools/word-count Yoyo Loading State Builder
REST MCPBuild Yoyo PHP "yoyo:spinning" loading-state attributes and a ready-to-paste HTML snippet.
POST /api/tools/yoyo-loading-state-builder Finance
27 toolsAmortization Calculator
REST MCPReturn a full loan amortization schedule (one row per month with payment, principal, interest, extra payment, balance) plus totals, interest
POST /api/tools/amortization-calculator Auto Loan Calculator
REST MCPReturn the monthly car payment, total interest, financed amount, and a month-by-month amortization schedule for an auto loan.
POST /api/tools/auto-loan-calculator Break Even Calculator
REST MCPReturn the break-even point of a product or business: contribution margin, contribution margin ratio, break-even units and revenue, plus the
POST /api/tools/break-even-calculator Business Loan Calculator
REST MCPReturn the monthly payment, total interest, origination fee, effective yearly rate (interest plus fees), a yearly summary, and a full monthl
POST /api/tools/business-loan-calculator Compound Interest
REST MCPCompute compound interest growth.
POST /api/tools/compound-interest Credit Card Payoff Calculator
REST MCPReturn how long a credit card balance takes to pay off at a fixed monthly payment (mode "payment"), or the payment needed to clear it in a t
POST /api/tools/credit-card-payoff-calculator Credit Card Validate
REST MCPValidate a credit card number with the Luhn checksum and detect the brand.
POST /api/tools/credit-card-validate Debt Payoff Calculator
REST MCPReturn a debt payoff plan for several debts using the avalanche (highest rate first) or snowball (lowest balance first) strategy: total mont
POST /api/tools/debt-payoff-calculator Dividend Calculator
REST MCPReturn a year-by-year projection of a dividend portfolio: dividends received, DRIP reinvestment, contributions, share count, share price, en
POST /api/tools/dividend-calculator Down Payment Calculator
REST MCPReturn the down payment, closing costs, total cash needed, remaining amount to save, months to save, target month, loan amount, and estimate
POST /api/tools/down-payment-calculator Fire Calculator
REST MCPReturn the FIRE number (annual expenses / withdrawal rate), years to reach it, FIRE age, progress percent, monthly investment, and a year-by
POST /api/tools/fire-calculator Home Affordability Calculator
REST MCPReturn the maximum home price you can afford from income, monthly debts, down payment percent, rate, term, property tax, insurance, HOA, and
POST /api/tools/home-affordability-calculator Inflation Calculator
REST MCPReturn what an amount of money from one year is worth in another year using historical CPI data, with total inflation, average yearly inflat
POST /api/tools/inflation-calculator Investment Calculator
REST MCPReturn the projected value of an investment with compound growth and monthly contributions: final balance, total contributions, total intere
POST /api/tools/investment-calculator Kktc Exchange Rates
REST MCPReturn live buy and sell exchange rates (against Turkish lira) from Northern Cyprus (KKTC) exchange offices and banks, per currency, with th
POST /api/tools/kktc-exchange-rates Loan Calculate
REST MCPAmortise a fixed-rate loan and show the impact of an optional monthly extra payment on payoff time and total interest.
POST /api/tools/loan-calculate Mortgage Calculate
REST MCPCompute a fixed-rate mortgage monthly payment using the standard amortisation formula M = P·r(1+r)^n / ((1+r)^n - 1).
POST /api/tools/mortgage-calculate Net Worth Calculator
REST MCPReturn net worth (total assets minus total liabilities), the debt-to-asset ratio in percent, and subtotals per category.
POST /api/tools/net-worth-calculator Profit Margin Calculator
REST MCPReturn cost, selling price, profit, profit margin (percent of price), and markup (percent of cost).
POST /api/tools/profit-margin-calculator Refinance Calculator
REST MCPReturn the new monthly payment, monthly savings, total cost of the current vs the new loan, total savings, break-even month, and whether a m
POST /api/tools/refinance-calculator Retirement Calculator
REST MCPReturn the projected savings at retirement, the amount needed to fund an inflation-adjusted monthly income until life expectancy, the gap or
POST /api/tools/retirement-calculator Roi Calculator
REST MCPReturn the return on investment: total invested (amount plus extra costs), net gain, simple ROI percent, annualized ROI percent, years to do
POST /api/tools/roi-calculator Salary Calculator
REST MCPReturn the same pay expressed as hourly, daily, weekly, bi-weekly, semi-monthly, monthly, and yearly amounts.
POST /api/tools/salary-calculator Savings Calculator
REST MCPReturn the future value of savings with compound interest and monthly contributions: total value, total contributions, total interest, and a
POST /api/tools/savings-calculator Self Employment Tax Calculator
REST MCPReturn the yearly self-employment tax bill for the USA (SE tax: Social Security, Medicare, additional Medicare, plus federal income tax), Tü
POST /api/tools/self-employment-tax-calculator Travel Budget Calculator
REST MCPEstimate a trip budget from per-day and one-off expenses: total per person, total for all travelers, daily spend, and a per-category breakdo
POST /api/tools/travel-budget-calculator Vat Calculator
REST MCPReturn the net amount, the VAT (or sales tax) amount, and the gross amount for a price.
POST /api/tools/vat-calculator Seo
26 toolsBot Crawl Checker
REST MCPReturn which of 24 well-known crawlers (Googlebot, BingBot, GPTBot, ClaudeBot, PerplexityBot, AhrefsBot, Twitterbot and more) are allowed or
POST /api/tools/bot-crawl-checker Domain Rating Checker
REST MCPReturn the Ahrefs Domain Rating (0-100) for up to 25 domains in one call, with a per-domain status.
POST /api/tools/domain-rating-checker Faq Schema Generator
REST MCPGenerate FAQPage JSON-LD structured data from question-answer pairs, and return the JSON-LD string, a ready <script> tag, the schema object,
POST /api/tools/faq-schema-generator Form To Json Schema
REST MCPReturns a form schema object ({ formId, method, action, fields, submitText }) extracted from HTML form markup.
POST /api/tools/form-to-json-schema Geo Analyzer
REST MCPReturn a Generative Engine Optimization (GEO) report for a public web page: an overall 0-100 score, per-category scores (technical, content,
POST /api/tools/geo-analyzer Graphql Playground
REST MCPCheck a GraphQL query for balanced braces and, when a schema is supplied, unknown fields on Query/Mutation/Subscription types.
POST /api/tools/graphql-playground Graphql Schema Validator
REST MCPValidate a GraphQL SDL schema and return errors, naming-convention warnings, and counts of types, queries, mutations, and subscriptions.
POST /api/tools/graphql-schema-validator Heading Structure Analyzer
REST MCPAnalyze the H1-H6 heading hierarchy of an HTML document and return every heading, SEO warnings (missing or multiple H1, skipped levels, empt
POST /api/tools/heading-structure-analyzer Hreflang Tag Generator
REST MCPGenerate hreflang annotations for multilingual pages and return them as HTML <link> tags, an HTTP Link header, and an XML sitemap block, plu
POST /api/tools/hreflang-tag-generator Json Ld Generator
REST MCPGenerate JSON-LD structured data for 12 schema.org types (Article, BlogPosting, Product, Organization, LocalBusiness, Person, Event, FAQPage
POST /api/tools/json-ld-generator Json Schema Form Builder
REST MCPReturns a form schema object (formId, method, action, fields, submitText) built from a list of field definitions.
POST /api/tools/json-schema-form-builder Json Schema Generator
REST MCPReturns a JSON Schema (draft-07) object inferred from a sample JSON document.
POST /api/tools/json-schema-generator Json Schema Validator
REST MCPReturns whether a JSON document is valid against a JSON Schema (draft-07 subset) and lists every violation with its JSON pointer path, messa
POST /api/tools/json-schema-validator Json To Html Form
REST MCPReturns clean HTML5 form markup generated from a JSON form schema ({ formId?, formClass?, method?, action?, fields: [...], submitText? }).
POST /api/tools/json-to-html-form Json To Zod Schema
REST MCPGenerate a Zod validation schema (TypeScript source) from a JSON sample.
POST /api/tools/json-to-zod-schema Keyword Density Checker
REST MCPAnalyze keyword density in text and return word/sentence/paragraph counts, the top 1-gram, 2-gram, and 3-gram phrases with counts and densit
POST /api/tools/keyword-density-checker Meta Tag Generator
REST MCPGenerate HTML <head> meta tags (title, description, keywords, robots, canonical, Open Graph, Twitter Card, viewport, charset, language) and
POST /api/tools/meta-tag-generator Open Graph Preview
REST MCPExtract Open Graph and Twitter Card tags from an HTML document (or take them as fields), and return the parsed values, validation issues (mi
POST /api/tools/open-graph-preview Robots Txt Generator
REST MCPReturn a robots.txt file built from user-agent rules (allow, disallow, crawl-delay), sitemap URLs and an optional Host directive, or from a
POST /api/tools/robots-txt-generator Schema Org Generator
REST MCPGenerate Schema.org JSON-LD markup for 8 types (Organization, LocalBusiness, Person, Product, Event, Recipe, JobPosting, Course) and return
POST /api/tools/schema-org-generator Seo Title Description Writer
REST MCPAnalyze an SEO title and meta description and return character counts, estimated SERP pixel widths against Google desktop/mobile limits, key
POST /api/tools/seo-title-description-writer Serp Preview
REST MCPReturn how a page title and meta description will display in Google search results on desktop or mobile: the truncated display text, charact
POST /api/tools/serp-preview Slug Generate
REST MCPTurn a string into a URL-safe slug (kebab-case by default, Unicode-normalized).
POST /api/tools/slug-generate Structured Data Tester
REST MCPValidate JSON-LD structured data (given directly or extracted from HTML <script type="application/ld+json"> blocks) and return, per detected
POST /api/tools/structured-data-tester Xml Sitemap Generator
REST MCPGenerate a valid XML sitemap from a list of URLs and return the XML, the number of URLs written, the invalid URLs that were skipped, and the
POST /api/tools/xml-sitemap-generator Youtube Description Generator
REST MCPAssemble a structured YouTube video description from main content, timestamps, links, social links, a call to action and hashtags, with the
POST /api/tools/youtube-description-generator Calculators
25 toolsBmi Calculate
REST MCPCompute Body Mass Index (BMI) with metric (kg/cm) or imperial (lb/in) units.
POST /api/tools/bmi-calculate Body Fat Calculator
REST MCPEstimate body fat percentage, fat mass, lean mass, BMI, and a body-composition category.
POST /api/tools/body-fat-calculator Carbon Footprint Calculator
REST MCPEstimate an annual personal carbon footprint in tonnes of CO2 from home energy, transportation, and lifestyle, with a per-category breakdown
POST /api/tools/carbon-footprint-calculator Chmod Calculate
REST MCPConvert between numeric (755) and symbolic (rwxr-xr-x) Unix file permissions.
POST /api/tools/chmod-calculate Cloudflare Cost Calculate
REST MCPEstimate monthly Cloudflare developer platform costs (Workers, D1, R2, KV, Durable Objects) under free or $5 Workers Paid plans.
POST /api/tools/cloudflare-cost-calculate Daily Habit Calculator
REST MCPCalculate how a daily habit adds up over a week, a month (30 days), a year (365 days), or a custom date range: total units, total cost, and
POST /api/tools/daily-habit-calculator Gcd Calculate
REST MCPGreatest Common Divisor (GCD) and Least Common Multiple (LCM) of two non-negative integers.
POST /api/tools/gcd-calculate Llm Requirements Calculator
REST MCPEstimate the VRAM, system RAM, and disk space needed to run an open-weight LLM locally, and which common GPUs and Macs it fits on.
POST /api/tools/llm-requirements-calculator Macro Calculator
REST MCPCalculate daily calorie needs and a macronutrient split (protein, carbs, fat in grams and kcal) for weight loss, maintenance, or muscle gain
POST /api/tools/macro-calculator Math Formula Templates
REST MCPReturn LaTeX source for well-known math and physics formulas from the built-in template library of the math expression generator page (40+ f
POST /api/tools/math-formula-templates One Rep Max Calculator
REST MCPEstimate a one-rep max (1RM) from a weight lifted for a number of reps, using Brzycki, Epley, Lander, Lombardi, Mayhew, O'Conner, and Wathen
POST /api/tools/one-rep-max-calculator Percentage Calculate
REST MCPPercentage math.
POST /api/tools/percentage-calculate Prime Check
REST MCPCheck whether an integer is prime.
POST /api/tools/prime-check Random Number
REST MCPGenerate cryptographically-random integers or floats in a range.
POST /api/tools/random-number Random Picker
REST MCPGenerate random numbers, pick random items from a list, or split people into random teams.
POST /api/tools/random-picker Roman Numeral
REST MCPConvert between Roman numerals and Arabic integers (1-3999).
POST /api/tools/roman-numeral Scientific Calculator
REST MCPEvaluate a scientific math expression and return the numeric result (12 significant digits).
POST /api/tools/scientific-calculator Sleep Calculator
REST MCPCalculate the best bedtimes for a wake-up time, or the best wake-up times for a bedtime, based on 90-minute sleep cycles plus 15 minutes to
POST /api/tools/sleep-calculator Stock Average Calculator
REST MCPReturn the average cost per share (dollar cost averaging) across several buys, the total shares, total invested, break-even price, and, when
POST /api/tools/stock-average-calculator Tdee Calculator
REST MCPCalculate Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) with the Mifflin-St Jeor equation, plus calorie targets for w
POST /api/tools/tdee-calculator Temperature Convert
REST MCPConvert temperature between Celsius (C), Fahrenheit (F), Kelvin (K), and Rankine (R).
POST /api/tools/temperature-convert Timesheet Calculator
REST MCPReturn total, regular, and overtime hours plus regular, overtime, and total pay for a list of work entries (start time, end time, break).
POST /api/tools/timesheet-calculator Tip Calculate
REST MCPCalculate tip amount, total, and per-person split.
POST /api/tools/tip-calculate Unit Convert
REST MCPConvert between length, weight, volume, area, speed, and temperature units (km/mi/m/ft, kg/lb, L/gal, m²/ha/acre, mph/kph/knot, °C/°F/K).
POST /api/tools/unit-convert Water Intake Calculator
REST MCPCalculate a recommended daily water intake in liters, ounces, cups, and 250 ml glasses, plus a per-waking-hour amount.
POST /api/tools/water-intake-calculator Generators
23 toolsBarcode Generator
REST MCPGenerate a 1D barcode as an SVG string from text.
POST /api/tools/barcode-generator Box Shadow Generator
REST MCPGenerate a CSS box-shadow declaration from offset, blur, spread, colour, opacity, and inset settings, or from a named preset (subtle, soft,
POST /api/tools/box-shadow-generator Caption Generator
REST MCPGenerate a social-media caption from a topic using built-in templates (no AI): picks a template for the content type and tone, fills in the
POST /api/tools/caption-generator Color Palette Generator
REST MCPGenerate a harmonious colour palette from a base hex colour: complementary, analogous, triadic, tetradic, split-complementary, or monochroma
POST /api/tools/color-palette-generator Css Animation Generator
REST MCPReturn CSS @keyframes animation code (or Tailwind config, Web Animations API / React, or Framer Motion code) from a named preset such as fad
POST /api/tools/css-animation-generator Glassmorphism Generator
REST MCPGenerate the CSS for a glassmorphism (frosted glass) card: semi-transparent background, backdrop-filter blur and saturation (with the -webki
POST /api/tools/glassmorphism-generator Gradient Generator
REST MCPGenerate a CSS linear, radial, or conic gradient from colour stops (2 to 10) and an angle, or from a preset (sunset, ocean, forest, fire, pu
POST /api/tools/gradient-generator Hashtag Generator
REST MCPGenerate relevant hashtags from keywords using a built-in, rule-based database (no AI): matches keywords against topic categories, scores po
POST /api/tools/hashtag-generator Linkedin Post Generator
REST MCPAssemble a LinkedIn post from a hook, a body, a call to action and hashtags, or from one of seven built-in templates (thought leadership, st
POST /api/tools/linkedin-post-generator Nanoid Generate
REST MCPGenerate one or more NanoID-style identifiers.
POST /api/tools/nanoid-generate Placeholder Image Generator
REST MCPGenerate a placeholder image as an SVG string: a solid background with centred bold text (the dimensions by default, or custom text) and a t
POST /api/tools/placeholder-image-generator Purchase Order Generator
REST MCPReturn a purchase order as structured data and as Markdown text: line items with amounts, subtotal, tax, shipping, and total, plus company,
POST /api/tools/purchase-order-generator Qr Text
REST MCPRender an ASCII-art QR-style grid for a short text input.
POST /api/tools/qr-text Random Name Picker
REST MCPPick a random winner from a list of names.
POST /api/tools/random-name-picker Signature Generator
REST MCPGenerate a typed signature as an SVG string: the name is set in a handwriting font (cursive, elegant, bold, or casual) in the chosen colour
POST /api/tools/signature-generator Social Media Bio Generator
REST MCPCompose a social-media profile bio from a profession, skills, an achievement, a location and a call to action in one of five styles (profess
POST /api/tools/social-media-bio-generator Svg Animation Generator
REST MCPReturn an animated SVG (inline CSS @keyframes) and/or the CSS alone, built from a shape template (rect, circle, star, stick figure, sun…) or
POST /api/tools/svg-animation-generator Thread Generator
REST MCPBuild a numbered Twitter/X thread from a list of tweets, or split long-form text into tweets of at most 280 characters.
POST /api/tools/thread-generator Ulid Generate
REST MCPGenerate one or more ULIDs — 26-character Crockford base32 identifiers that are lexicographically sortable by creation time.
POST /api/tools/ulid-generate Uuid Generate
REST MCPGenerate one or more RFC 4122 v4 UUIDs.
POST /api/tools/uuid-generate X402 Config Generator
REST MCPReturn ready-to-paste x402 payment integration code plus the install command: a paywalled SERVER (Express, Hono, Next.js, Fastify, Gin, Fast
POST /api/tools/x402-config-generator Yoyo Component Generator
REST MCPGenerate Yoyo PHP component boilerplate: the PHP class (properties, props, query string, listeners, lifecycle hooks, actions, computed prope
POST /api/tools/yoyo-component-generator Yoyo Config Generator
REST MCPGenerate Yoyo PHP framework setup code: the composer install command, the bootstrap/service-provider code, the route handler, and a sample p
POST /api/tools/yoyo-config-generator Developer
21 toolsA2ui Basic Catalog
MCPReturns the authoritative basic-catalog JSON Schema (components, functions, theme) for the requested A2UI version.
mcp: a2ui_basic_catalog A2ui Diff
MCPComputes a structural diff between two A2UI JSONL payloads: surfaces added/removed, components added/removed/changed (by id), data-model pat
mcp: a2ui_diff A2ui Examples
MCPReturns one or more canonical A2UI JSONL examples matching a pattern (form, list, wizard, modal, chat, dashboard, checkout, typeahead, mcp-c
mcp: a2ui_examples A2ui Prompt
MCPGenerates a drop-in LLM system prompt that teaches the model to output valid A2UI JSONL: includes the basic-catalog component / function lis
mcp: a2ui_prompt A2ui Spec
MCPReturns A2UI protocol documentation for a given spec version and section.
mcp: a2ui_spec A2ui Validate
MCPValidates a JSONL A2UI payload against the basic catalog (or a custom catalog) and returns any errors, warnings, or info messages with exact
mcp: a2ui_validate Ai Model Picker
REST MCPReturn the best-matching AI coding models (top 3 by default) for a project, scored on speed, accuracy, cost and context window from four ans
POST /api/tools/ai-model-picker Aspect Ratio
REST MCPCompute the aspect ratio of width:height.
POST /api/tools/aspect-ratio Color Contrast
REST MCPCompute the WCAG 2.1 contrast ratio between two colours (accepts #rgb, #rrggbb, and rgb()/rgba() formats) and report whether it passes AA/AA
POST /api/tools/color-contrast Crypto Testnet Faucets
REST MCPReturns a curated list of crypto testnet faucets (Ethereum Sepolia, Base, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain, Linea, Solana)
POST /api/tools/crypto-testnet-faucets Css Minifier
REST MCPMinify CSS (strip comments and whitespace) or beautify compressed CSS, and return the output with byte sizes and the percentage saved.
POST /api/tools/css-minifier Env Linter
REST MCPLint a dotenv file for duplicate keys, unquoted spaces, export prefixes, secret-looking values (masked), and drift against an optional .env.
POST /api/tools/env-linter Font Icon Search
REST MCPSearch a catalog of about 300 icons from Font Awesome, Material Icons, Lucide, and Heroicons by name, keyword, or category and return matchi
POST /api/tools/font-icon-search Glob Pattern Tester
REST MCPReturns which file paths match a glob pattern and which do not.
POST /api/tools/glob-pattern-tester Meta Tag Fetcher
RESTFetch title, meta description, Open Graph tags, and favicon from a URL.
POST /api/tools/meta-fetch Privacy Policy Checker
REST MCPCheck a privacy policy text for 24 expected disclosures and return a 0-100 completeness score, each check with found/missing and severity, u
POST /api/tools/privacy-policy-checker Regex Test
REST MCPTest a regex against input text.
POST /api/tools/regex-test Sql Formatter
REST MCPFormat (beautify) or minify a SQL query and return the result with lint warnings.
POST /api/tools/sql-formatter Tailwind To Stylex
REST MCPConvert Tailwind CSS v4 theme variables, JSON design tokens, or a static Tailwind config theme into StyleX defineConsts source and TypeScrip
POST /api/tools/tailwind-to-stylex UUID Generator
RESTGenerate one or more UUID v4 values.
POST /api/tools/uuid Workflow Run
MCPExecute a linear chain of MCP tool calls in one round-trip.
mcp: workflow_run Encoding
20 toolsBase32 Decode
REST MCPDecode RFC 4648 base32 back to UTF-8 text.
POST /api/tools/base32-decode Base64 Decode
REST MCPDecode a base64 string back to UTF-8 text.
POST /api/tools/base64-decode Base64 Encode
REST MCPEncode UTF-8 text as a base64 string.
POST /api/tools/base64-encode Base64 Encoder / Decoder
RESTEncode text to Base64 or decode Base64 back to text.
POST /api/tools/base64 Color Convert
REST MCPConvert between color formats: hex, rgb, hsl, hsv.
POST /api/tools/color-convert Hash Generate
REST MCPHash text with MD5, SHA-1, SHA-256, or SHA-512.
POST /api/tools/hash-generate Hex Decode
REST MCPDecode a hexadecimal string back to UTF-8 text.
POST /api/tools/hex-decode Hex Encode
REST MCPEncode UTF-8 text as a hexadecimal string.
POST /api/tools/hex-encode Hmac Generate
REST MCPCompute an HMAC of a message with a secret key.
POST /api/tools/hmac-generate Html Entity Decode
REST MCPDecode HTML entities back to characters.
POST /api/tools/html-entity-decode Html Entity Encode
REST MCPEncode HTML special characters as entities.
POST /api/tools/html-entity-encode Json Escaper
REST MCPReturns the text with JSON string escapes applied (mode "escape") or removed (mode "unescape").
POST /api/tools/json-escaper Morse Code
REST MCPEncode or decode Morse code.
POST /api/tools/morse-code Number Base Convert
REST MCPConvert an integer between bases 2, 8, 10, and 16.
POST /api/tools/number-base-convert Pem Decoder
REST MCPParse PEM certificates, CSRs, and keys in the browser-equivalent decoder.
POST /api/tools/pem-decoder Query String Stringify
REST MCPSerialise an object into a URL query string.
POST /api/tools/query-string-stringify Rot13
REST MCPApply the ROT13 Caesar cipher to text.
POST /api/tools/rot13 String Escape
REST MCPEscape or unescape a string for JSON, HTML, URL, or regex contexts.
POST /api/tools/string-escape Url Decode
REST MCPDecode a percent-encoded (URL-encoded) string back to plain text.
POST /api/tools/url-decode Url Encode
REST MCPPercent-encode a string for safe inclusion in URLs.
POST /api/tools/url-encode Network
19 toolsCidr Calculate
REST MCPCompute network / broadcast / first-last host / subnet mask / hosts count for a CIDR (e.g.
POST /api/tools/cidr-calculate Cookie Analyzer
REST MCPAnalyze Set-Cookie header strings and return a per-cookie list of security issues, an overall 0-100 score, and recommendations.
POST /api/tools/cookie-analyzer Curl To Code
REST MCPReturns source code that performs the same HTTP request as a cURL command, in JavaScript (fetch), Python (requests), PHP (cURL), Go (net/htt
POST /api/tools/curl-to-code Dns Lookup
REST MCPReturn the DNS records of a domain for one record type (A, AAAA, CNAME, MX, TXT, NS or SOA).
POST /api/tools/dns-lookup Dns Security Scanner
REST MCPReturn a DNS security report for a domain: SPF, DMARC, MX and CAA records with issues, a 0-100 score, a letter grade and recommendations.
POST /api/tools/dns-security-scanner Email Security Checker
REST MCPReturn an email-security report for the domain of an email address: MX, SPF, DKIM (common selectors), DMARC, MTA-STS, TLS-RPT and BIMI check
POST /api/tools/email-security-checker Har To Curl
REST MCPConvert a HAR (HTTP Archive) file into curl commands, one per recorded request, and return them as a script plus a per-request list.
POST /api/tools/har-to-curl Har Viewer
REST MCPParse HAR 1.x JSON and return each entry’s method, URL, status, size, time, and MIME type.
POST /api/tools/har-viewer Http Status Code Lookup
REST MCPReturn the meaning, typical use case and fix for HTTP status codes.
POST /api/tools/http-status-code-lookup Ip Address Lookup
REST MCPReturn geolocation and network details for a public IPv4 or IPv6 address: country, region, city, postal code, coordinates, timezone, ASN and
POST /api/tools/ip-address-lookup Ip Blacklist Checker
REST MCPReturn whether an IPv4 address is listed on 12 well-known DNS blacklists (Spamhaus, Barracuda, SpamCop, SORBS, UCEPROTECT, PSBL and more), w
POST /api/tools/ip-blacklist-checker Ip Validate
REST MCPValidate an IPv4 or IPv6 address and classify it (public / private / loopback / link-local / multicast / global).
POST /api/tools/ip-validate Mime Type Finder
REST MCPReturn MIME types with their file extensions and descriptions.
POST /api/tools/mime-type-finder Port Reference Guide
REST MCPReturn well-known network ports that match a port number, service name, protocol, or category, with a security note (safe / caution / insecu
POST /api/tools/port-reference-guide Postman To Curl
REST MCPConvert a Postman collection (v2.x JSON) into curl commands, one per request, and return them as a script plus a per-request list.
POST /api/tools/postman-to-curl Security Headers Analyzer
REST MCPGrade a set of HTTP response headers for security: returns a 0-100 score, a letter grade (A+ to F), a pass/fail/warning summary, and a per-h
POST /api/tools/security-headers-analyzer Ssl Certificate Checker
REST MCPReturn the TLS certificate details of a public hostname: validity, issuer, subject, expiry and days remaining, protocol, key size, signature
POST /api/tools/ssl-certificate-checker Subnet Calculator
REST MCPReturn the full IPv4 subnet breakdown for an address: network and broadcast address, subnet mask, wildcard mask, binary mask, first and last
POST /api/tools/subnet-calculator Whois Lookup
REST MCPReturn WHOIS-style registration data for a domain from the public RDAP service: registrar, creation, update and expiry dates, EPP status cod
POST /api/tools/whois-lookup Security
19 toolsBase32 Encode
REST MCPEncode UTF-8 text to RFC 4648 base32 (uppercase, "=" padding).
POST /api/tools/base32-encode Data Sanitizer
REST MCPSanitize untrusted text and return the cleaned output, a list of changes made, and a risk level.
POST /api/tools/data-sanitizer Dnpm Configurator
REST MCPReturns the five files of a hardened Docker-based npm wrapper (the ./dnpm bash script, .dnpm/Dockerfile, docker-compose.node.yml, .dnpm/secc
POST /api/tools/dnpm-configurator Email Header Analyzer
REST MCPReturn a structured analysis of raw email headers: sender, recipient, subject, date, message id, the Received hop chain with per-hop delays,
POST /api/tools/email-header-analyzer Hash Comparison Tool
REST MCPHash text with SHA-1, SHA-256, SHA-384, or SHA-512 and compare the hex digest with an expected hash.
POST /api/tools/hash-comparison-tool Jwt Decode
REST MCPDecode a JWT header + payload.
POST /api/tools/jwt-decode Jwt Generator
REST MCPGenerate a signed JWT (HS256, HS384, or HS512 via HMAC) and return the token plus the decoded header and payload.
POST /api/tools/jwt-generator Jwt Security Validator
REST MCPDecode a JWT and return a list of security checks (algorithm strength, expiration, not-before, issued-at, issuer, audience, subject, signatu
POST /api/tools/jwt-security-validator Password Breach Checker
REST MCPReturn whether a password appears in known data breaches and how many times, using the Have I Been Pwned k-anonymity range API.
POST /api/tools/password-breach-checker Password Generate
REST MCPGenerate cryptographically-strong passwords.
POST /api/tools/password-generate Password Pattern Validator
REST MCPValidate a password against configurable rules and return each check (pass/fail with severity), a 0-100 score, and a strength label.
POST /api/tools/password-pattern-validator Password Strength
REST MCPEstimate password strength using character-class entropy.
POST /api/tools/password-strength Pgp Encryption Tool
REST MCPEncrypt or decrypt a short message with RSA-OAEP (SHA-256) PEM keys, or generate a new RSA key pair.
POST /api/tools/pgp-encryption-tool Random Key Generator
REST MCPGenerate cryptographically random keys (API keys, tokens, secrets) and return them as a list of strings.
POST /api/tools/random-key-generator Random String
REST MCPGenerate cryptographically-random strings from a chosen charset.
POST /api/tools/random-string Text Encryption
REST MCPEncrypt text with a password using AES-256-GCM (key derived with PBKDF2-SHA256, 100000 iterations) and return a base64 ciphertext, or decryp
POST /api/tools/text-encryption Two Fa Code Tester
REST MCPCompute the current TOTP code (RFC 6238) for a base32 secret and return the code, the seconds remaining in the window, and — when a code is
POST /api/tools/two-fa-code-tester Url Safety Checker
REST MCPRun offline heuristic safety checks on a URL and return a risk level (low/medium/high), a 0+ risk score, per-check results, and warnings.
POST /api/tools/url-safety-checker Windows Update Settings Generator
REST MCPGenerate a Windows Update configuration script (.reg, .ps1, or .bat) plus a matching restore script from a preset and/or individual settings
POST /api/tools/windows-update-settings-generator Education
15 toolsAttendance Sheet Generator
REST MCPGenerate a blank attendance sheet for a list of students over consecutive days and return the date columns, a CSV, a Markdown table, and a p
POST /api/tools/attendance-sheet-generator Course Quiz Generator
REST MCPBuild a printable course quiz from a list of questions (multiple choice, true/false, short answer, fill in the blank) and return the numbere
POST /api/tools/course-quiz-generator Essay Outline Generator
REST MCPGenerate a structured essay outline (introduction, body paragraphs, conclusion) for five essay types and three lengths, and return each sect
POST /api/tools/essay-outline-generator Flashcard Maker
REST MCPTurn a list of front/back pairs into a flashcard deck and return the numbered cards plus ready-to-import formats: CSV (Front,Back), tab-sepa
POST /api/tools/flashcard-maker Gpa Calculator
REST MCPCalculate a grade point average (GPA) on the 4.0 scale from course letter grades and credits.
POST /api/tools/gpa-calculator Grade Calculator
REST MCPCalculate a weighted course grade from categories (homework, quizzes, exams) with assignment scores, the letter grade (A to F), and the scor
POST /api/tools/grade-calculator Lesson Plan Template
REST MCPFill a structured lesson plan template (header, learning objectives, materials, timed activities, assessment, homework, notes) and return th
POST /api/tools/lesson-plan-template Quiz Maker
REST MCPBuild a multiple-choice quiz from questions with options and a correct option index and return the numbered quiz, an answer key, a printable
POST /api/tools/quiz-maker Readability Calculator
REST MCPCompute six readability scores for English text (Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Coleman-Liau, Automated Reada
POST /api/tools/readability-calculator Report Card Generator
REST MCPGenerate a report card from a list of subjects with letter grades and credits and return the credit-weighted GPA on a 4.0 scale, per-subject
POST /api/tools/report-card-generator Research Title Generator
REST MCPGenerate up to 20 academic research paper titles from a topic, field, variables, population, and research type, and return each title with i
POST /api/tools/research-title-generator Rubric Generator
REST MCPBuild a grading rubric from weighted criteria and performance levels and return the rubric grid, the total weight (with a flag when it is no
POST /api/tools/rubric-generator Seating Chart Maker
REST MCPAssign students to a rows × columns seating grid (in list order, or shuffled) and return the grid, each student's row/column/seat number, th
POST /api/tools/seating-chart-maker Thesis Statement Generator
REST MCPGenerate up to 5 thesis statement variations from a topic, a position, and optional supporting reasons for four essay types, and return each
POST /api/tools/thesis-statement-generator Worksheet Generator
REST MCPGenerate a printable math worksheet of addition, subtraction, multiplication, division, or mixed problems at easy (1–10), medium (1–50), or
POST /api/tools/worksheet-generator Datetime
12 toolsAge Calculate
REST MCPCalculate age from a date of birth — years, months, days, plus totals in days, weeks, and months.
POST /api/tools/age-calculate Career Experience Calculator
REST MCPCalculate total professional experience across several jobs: total days, years/months/days, weeks, working days (5/7), working hours (8 per
POST /api/tools/career-experience-calculator Country Lookup
REST MCPReturn country facts — capital, currency (name, code, symbol), phone code, timezone, region, subregion, flag emoji, and languages — for coun
POST /api/tools/country-lookup Cron Describe
REST MCPParse a 5-field cron expression (minute hour day-of-month month day-of-week) and produce a human-readable English description.
POST /api/tools/cron-describe Cron To Systemd
REST MCPConvert a 5-field cron expression into a systemd timer plus service unit and a Kubernetes CronJob YAML file.
POST /api/tools/cron-to-systemd Date Difference
REST MCPCompute the difference between two dates in years/months/weeks/days/hours/minutes/seconds.
POST /api/tools/date-difference Date Difference Calculator
RESTCalculate the difference between two dates in various units.
POST /api/tools/date-diff Relationship Calculator
REST MCPCalculate how long a relationship has lasted between a start date and a target date: years/months/days, totals in days, weeks, months, hours
POST /api/tools/relationship-calculator Timezone Convert
REST MCPConvert a datetime between IANA time zones.
POST /api/tools/timezone-convert Unix Timestamp Convert
REST MCPConvert between Unix timestamps and ISO dates.
POST /api/tools/unix-timestamp-convert Unix Timestamp Converter
RESTConvert Unix timestamps to human-readable dates and vice versa.
POST /api/tools/unix-timestamp Work Anniversary Calculator
REST MCPCalculate job tenure between a start date and a target date: years/months/days, totals in days, weeks, months, and hours, approximate workin
POST /api/tools/work-anniversary-calculator Validation
10 toolsEmail Validate
REST MCPValidate an email address and break it into local / domain / TLD parts.
POST /api/tools/email-validate Html Formatter
REST MCPFormat (beautify) or minify HTML and return the result with a tag-balance validation report.
POST /api/tools/html-formatter Json Validate
REST MCPValidate a JSON string.
POST /api/tools/json-validate Openapi Validator
REST MCPValidate an OpenAPI 3.x (or Swagger 2.0) document given as JSON or YAML and return a report with errors, warnings, and summary info (title,
POST /api/tools/openapi-validator Phone Format
REST MCPFormat a phone number to E.164 (+CCNNNNNNN…) given an optional country calling code.
POST /api/tools/phone-format State Machine Designer
REST MCPValidate a finite state machine given as nodes and edges and return a normalized machine config plus issues.
POST /api/tools/state-machine-designer Url Validate
REST MCPValidate that a string is a well-formed URL and (optionally) require HTTPS.
POST /api/tools/url-validate Wvw Apps Json Generator
REST MCPBuild and validate an apps.json manifest for wvw.dev (World Vibe Web) from a store object and a list of apps.
POST /api/tools/wvw-apps-json-generator Xml Formatter
REST MCPBeautify or minify an XML document and return the formatted text.
POST /api/tools/xml-formatter Yaml Validator
REST MCPValidate YAML and return either the re-formatted document or the parse error with its line and column.
POST /api/tools/yaml-validator Productivity
8 toolsClient Status Report Generator
REST MCPGenerate a client-facing project status report in Markdown and return it with its headline counts.
POST /api/tools/client-status-report-generator Dev Request Prioritizer
REST MCPPrioritize development requests with the page's scoring frameworks and return them sorted by priority score, each with a value score and an
POST /api/tools/dev-request-prioritizer Keyboard Shortcut Finder
REST MCPReturn keyboard shortcuts (Mac and Windows keys) that match a search query, app, or category.
POST /api/tools/keyboard-shortcut-finder Retro Meeting
REST MCPTurn a finished sprint-retrospective board into shareable results: a Markdown summary grouped by category with items sorted by votes, a CSV
POST /api/tools/retro-meeting Scope Creep Tracker
REST MCPMeasure scope creep on a project and return the numbers a stakeholder report needs: original (baseline) effort, approved / pending / rejecte
POST /api/tools/scope-creep-tracker Social Media Calendar Generator
REST MCPTurn a list of planned social media posts into a content calendar: a CSV export (Date, Time, Platform, Content Type, Title, Description, Has
POST /api/tools/social-media-calendar-generator Sprint Capacity Calculator
REST MCPCalculate a team's realistic sprint capacity in hours and story points.
POST /api/tools/sprint-capacity-calculator Tech Debt Register
REST MCPAnalyze a technical debt register and return the stakeholder numbers: active vs resolved counts, total hours to fix, weekly "interest" cost
POST /api/tools/tech-debt-register Conversion
3 toolsNumber Base Converter
RESTConvert numbers between binary, octal, decimal, and hexadecimal.
POST /api/tools/number-base PDF Text Extractor
RESTExtract text and structured JSON (with bounding boxes) from a PDF.
POST /api/tools/pdf-extract Percentage Calculator
RESTCalculate percentages: X% of Y, percent change, increase, or decrease.
POST /api/tools/percentage Crypto
2 tools
No tool matches that filter. Every tool is also listed in https://api.findutils.com/api/tools.
Authentication
No authentication required.
The FindUtils API is open. No API key, no sign-up, no credit card. Just make HTTP requests and get results.
Rate Limits
Standard access: 60 requests per minute
Rate limits are per IP address. For higher limits, contact us.
Response Format
All endpoints return JSON with a consistent structure.
{
"success": true,
"result": {
"result": "SGVsbG8sIFdvcmxkIQ=="
},
"meta": {
"tool": "base64",
"executionMs": 0
}
} More Examples
Copy and paste these into your terminal to try them out.
# Generate a UUID
curl -X POST https://api.findutils.com/api/tools/uuid/execute \
-H "Content-Type: application/json" -d '{}'
# SHA-256 hash
curl -X POST https://api.findutils.com/api/tools/hash/execute \
-H "Content-Type: application/json" \
-d '{"text": "hello world", "algorithm": "sha-256"}'
# Format JSON
curl -X POST https://api.findutils.com/api/tools/json-format/execute \
-H "Content-Type: application/json" \
-d '{"json": "{\"a\":1,\"b\":2}", "action": "format"}'
# Convert units
curl -X POST https://api.findutils.com/api/tools/unit-convert/execute \
-H "Content-Type: application/json" \
-d '{"value": 100, "from": "km", "to": "miles"}'
# List all available tools
curl https://api.findutils.com/api/tools
# Get OpenAPI spec
curl https://api.findutils.com/api/openapi.json Error Handling
When a request fails, the API returns a structured error with an error code and message.
{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Missing required field: text"
}
} | HTTP Status | Error Code | Meaning |
|---|---|---|
| 400 | VALIDATION_ERROR | Invalid input (missing field, wrong type) |
| 404 | NOT_FOUND | Tool or endpoint not found |
| 429 | RATE_LIMITED | Too many requests (60/min limit) |
| 500 | INTERNAL_ERROR | Server error (try again) |
API Endpoints
Five endpoints are available.
| Method | Path | Description |
|---|---|---|
| GET | /api/health | Health check |
| GET | /api/tools | List all tools with schemas |
| GET | /api/tools/:id | Get single tool info + schema |
| POST | /api/tools/:id/execute | Execute a tool |
| GET | /api/openapi.json | OpenAPI 3.1 specification |
OpenAPI Specification
The full API is documented as an OpenAPI 3.1 spec. Import it into Postman, Insomnia, or any compatible client.
Use Cases
What developers are building with the FindUtils API.
Build AI Agents
Give your LLM tool-use superpowers. Encode data, validate inputs, and transform formats directly from your agent loop.
Automate Workflows
Script repetitive tasks in CI/CD pipelines, shell scripts, or cron jobs. curl is all you need.
Integrate Into Apps
Embed developer utilities into your own product. Hash passwords on the fly, generate UUIDs, convert formats.
More Ways to Connect
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Connect all 290+ tools directly to Claude, ChatGPT, or any MCP-compatible client. No HTTP calls needed.
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Prefer a visual interface? Every tool is also available as a web app with no sign-in required.
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