How to Format HTML Online
- 1
Paste Your HTML
Copy your raw, minified, or messy HTML code and paste it into the input editor on the left. You can also click Load Sample to try the formatter with example markup. - 2
Choose Indentation
Select your preferred indent size from the dropdown: 2 spaces, 4 spaces, or 8 spaces. Most developers use 2 or 4 spaces for web projects. - 3
Click Format or Minify
Press Format to beautify the code with proper indentation and line breaks, or press Minify to strip all unnecessary whitespace for a production-ready file. - 4
Review, Copy, or Download
Check the formatted output in the right panel. The validator highlights any structural warnings. Use the Copy button to place the result on your clipboard or Download to save it as an HTML file.
Common Use Cases
Debugging Minified Production Code
Cleaning Up CMS or WYSIWYG Output
Reviewing Email Template Markup
Preparing Code for Documentation or Tutorials
Why use an HTML Formatter?
The HTML Formatter and Beautifier is a free, browser-based tool that transforms messy or minified HTML into clean, properly indented code you can actually read. Whether you are debugging a production page, tidying output from a CMS, or preparing code snippets for documentation, this tool handles the heavy lifting in seconds. All processing runs entirely in your browser, so your markup is never uploaded to a server.
Beyond simple indentation, the formatter includes a real-time validator that flags unclosed tags, mismatched elements, and missing attributes. You can toggle between beautified and minified output with a single click, making it easy to switch between a development-friendly view and a production-optimized file. Pair it with the XML Formatter for non-HTML XML documents, or use the CSS Minifier to compress your stylesheets at the same time.
For workflows that go beyond formatting, FindUtils offers a full suite of developer tools. Convert your formatted markup to Markdown with the HTML to Markdown converter, extract table data using HTML Table to JSON, or validate the structured data on your pages with the JSON Formatter. Every tool works client-side with no signup required, so you can move seamlessly between formatting, converting, and validating without leaving your browser.
How It Compares
Many online HTML formatters require you to create an account, impose daily usage limits, or process your code on remote servers. The FindUtils HTML Formatter is completely free with no signup, no rate limits, and full client-side processing that keeps your code private. Unlike desktop editors such as VS Code or Sublime Text, there is nothing to install -- just open the page, paste your HTML, and click Format.
Compared to command-line tools like js-beautify or prettier, this online formatter provides instant visual feedback with syntax highlighting and inline validation warnings. It is ideal for quick one-off tasks, code reviews on shared machines, or situations where installing tooling is not practical. For structured data inside your HTML, pair it with the SQL Formatter or JSON Formatter to keep every part of your stack clean and readable.