Password Generator
Create strong, secure passwords with customizable rules.
Security
463 browser tools. Open one and get on with your day.
No sign-up, no install. Files stay in your browser. No sign-up and no install. Files stay in your browser. Save the tools you use and they wait for you here.
Popular tools
See all- Password Generator Create strong, secure passwords with customizable rules.
- QR Code Generator Generate QR codes for URLs, text, Wi-Fi, and vCards.
- JSON Formatter Validate, format, and minify JSON data instantly.
- UML Diagram Editor Create UML diagrams with a live PlantUML editor. Write code and instantly preview sequence, class, activity, state, and component diagrams.
- Image Compressor Reduce JPEG, PNG, WebP and AVIF file sizes with adjustable quality, or lossless PNG.
- PDF Merger Combine multiple PDF files into one document securely.
Fresh guides
All 233-
Security · 8 min How to Write a Content-Security-Policy Header, Step by Step -
Security · 8 min bcrypt vs Argon2id: How to Hash a Password for Storage -
Converters · 6 min SRT to TXT: Turn Subtitles Into a Plain Transcript -
Converters · 7 min Clean SRT and VTT Subtitles: Remove Tags, {\an8}, [music] and Speaker Names -
Converters · 7 min Fix Overlapping Subtitles: Repair SRT and VTT Cue Overlaps -
Converters · 7 min Remove Duplicate Rows From a CSV by Email, ID or Any Column
Use every tool from your AI agent
claude mcp add findutils \ --transport http \ https://mcp.findutils.com/ \ --header "Authorization: Bearer YOUR_API_KEY"
Tool calls need an API key. About API keys
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, and vCards.
Generate
JSON Formatter
Validate, format, and minify JSON data instantly.
Developers
UML Diagram Editor
Create UML diagrams with a live PlantUML editor. Write code and instantly preview sequence, class, activity, state, and component diagrams.
Developers
Image Compressor
Reduce JPEG, PNG, WebP and AVIF file sizes with adjustable quality, or lossless PNG.
Convert
PDF Merger
Combine multiple PDF files into one document securely.
PDF
Color Converter
Convert HEX, RGB, HSL and generate palettes.
Design
Base64 Encoder
Encode and decode text or files to Base64 format.
Developers
Text Truncate
Cut text to a character or word limit, with an ending such as ... and a whole-word option. Live counts for the original and the result.
Text
Markdown TOC Generator
Build a nested table of contents with GitHub or GitLab anchor links from a Markdown file's headings, then copy it or insert it.
Text
Text Reverse
Reverse text by character, word or line. Emoji, flags and accented letters stay whole. Same function as the text-reverse API.
Text
PDF Metadata Remover
See and remove a PDF's author, title, creator, producer, dates and XMP metadata, with a before and after list.
PDF
Unlock PDF
Remove a password you know from a PDF and save a copy that opens without it.
PDF
Protect PDF
Add a password to a PDF with AES-256 encryption, and optionally limit printing, copying and editing.
PDF
CSV to Internet Shortcuts
Turn a CSV of names and links into Windows .url Internet Shortcut files, downloaded as one ZIP.
Convert
Safari Bookmarks to HTML
Turn Safari's Bookmarks.plist, binary or XML, into a bookmarks.html other browsers import, Reading List included.
Convert
OPML to Bookmarks HTML
Turn a feed reader or podcast OPML export into a bookmarks.html that Chrome, Firefox and Edge import.
Convert
JSON Formatter
Validate, format, and minify JSON data instantly.
Developers
JSON Escaper
Escape and unescape JSON strings for embedding in code.
Developers
Regex Tester
Test and debug regular expressions with real-time matching.
Developers
Base64 Encoder
Encode and decode text or files to Base64 format.
Developers
URL Encoder/Decoder
Encode and decode URLs for safe transmission and parsing.
Network
Unix Timestamp
Convert Unix timestamps to human-readable dates.
Developers
SQL Formatter
Format and beautify SQL queries for readability.
Developers
CSS Minifier
Minify or beautify CSS code for production.
Developers
HTML Formatter
Beautify and minify HTML code with syntax highlighting.
Developers
Color Palette Generator
Generate harmonious color palettes from any color.
Design
Gradient Generator
Create beautiful CSS gradients with live preview.
Design
Photo Editor
Create stunning images with text, stickers, and filters. No watermark!
Design
Image Compressor
Reduce JPEG, PNG, WebP and AVIF file sizes with adjustable quality, or lossless PNG.
Convert
Image Resizer
Resize an image by percentage, to exact pixels, or to social media presets for Instagram, Facebook, X, LinkedIn, YouTube and more.
Convert
Favicon Generator
Generate favicons and app icons for all platforms.
Design
Contrast Checker
Check color contrast for WCAG accessibility.
Design
Box Shadow Generator
Create beautiful CSS box shadows with presets.
Design
Glassmorphism Generator
Create trendy glass-effect UI components.
Design
Percentage Calculator
Calculate percentages, increases, and decreases.
Calculate
Word Counter
Count words, characters, sentences, and paragraphs, with readability scores and keyword density.
Text
Age Calculator
Calculate exact age in years, months, and days.
Calculate
Unit Converter
Convert length, weight, temperature, and more.
Convert
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, and vCards.
Generate
Pomodoro Timer
Boost productivity with timed work sessions.
Productivity
Loan Calculator
Calculate monthly loan payments, total interest, and amortization schedules for personal loans, mortgages, and auto loans.
Finance
Tip Calculator
Calculate restaurant tips and split bills easily. Determine 15%, 18%, 20% tips and divide costs among multiple people.
Finance
Timezone Converter
Convert times between different time zones worldwide.
Productivity
Workflows
Tools that chain togetherGuides
All 233-
Security · 8 min
How to Write a Content-Security-Policy Header, Step by Step -
Security · 8 min
bcrypt vs Argon2id: How to Hash a Password for Storage -
Converters · 6 min
SRT to TXT: Turn Subtitles Into a Plain Transcript -
Converters · 7 min
Clean SRT and VTT Subtitles: Remove Tags, {\an8}, [music] and Speaker Names
Sponsor FindUtils
Put your product next to the task it solves.
Every request is reviewed by a person. You get an exact quote before anything goes live.
- Category pages Any of 15 categories
- Tool pages Exact paths you name
- Category + tool One plan, one quote
About FindUtils
Before you get started
How the tools work, where your data goes, and how to call them from code.
What is FindUtils?
FindUtils is an online toolbox with 463 tools for development, design, documents, calculations, and everyday tasks. Guides and cheatsheets help you use them.
Do I need an account?
Core browser tools do not require an account. Some separate services have their own access requirements. Check the tool or service page before you start.
Where does my data go?
Many tools process input in your browser. Some tools send requests to a service, such as network lookups or AI features. Check the page instructions before you enter sensitive data. Pages can load analytics and ads.
Can I use tools through an API or an AI assistant?
Yes. The REST API provides 387 tools. The MCP server provides 388 tools for compatible AI clients. Their reference pages explain the inputs and available operations.
When should I use the API instead of the page?
Use the API when the job is a single self-contained transform you want done from a script or an agent: formatting or validating JSON, encoding and hashing, converting a document, generating UUIDs or a PDF invoice, or running a calculation. Use the page when the tool needs a local file, the camera, or a canvas — those run only in the browser.
What are the limits, and is there a key?
Running a tool over the API or MCP needs an API key, sent as Authorization: Bearer YOUR_API_KEY. Without a key a tool call answers 402 Payment Required; the catalog and the schemas stay open. Keys are not for sale yet: ask for early access on the contact page. The browser tools need no key. Requests are rate limited per IP address, and every response carries the standard RateLimit headers so a client can pace itself. Nothing you send is stored for later retrieval: a call returns its result, and there is no read-back endpoint.
Is there a machine-readable index of the site?
Yes. llms.txt is the index, with a per-section file for each category; llms-full.txt is the complete reference. The OpenAPI 3.1 spec describes every REST endpoint. Every page listed in the sitemaps has a Markdown twin — tool pages, category hubs, guides, cheatsheets, blog posts, API and MCP reference pages, and site pages such as About and Privacy: append markdown.md to the path, add the .md suffix, or send an Accept: text/markdown header.
Is this the GNU findutils project?
No. FindUtils.com is a separate website for online utilities. GNU findutils provides command-line programs such as find, locate, and xargs.