HTML Beautifier
HTML Beautifier is a free online beautifier that helps you pretty-print HTML; readable indentation with nested tags on their own lines. HTML Beautifier uses 2 input fields, returns 3 output values, and runs in your browser on the device.
Key facts
- Inputs
- 2 fields: HTML and Indent
- Outputs
- 3 values: Formatted HTML, Original size (chars), and Formatted size (chars)
- Runtime
- your browser on the device
- Mode
- Beautifier
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use HTML Beautifier
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
HTML Beautifier details
First, enter HTML in HTML Beautifier. Next, review Formatted HTML, Original size (chars), and Formatted size (chars). Additionally, HTML Beautifier uses 2 input fields and 3 output blocks so the result is easy to scan and copy.
Paste minified or messy HTML and reformat it with consistent indentation, line breaks between sibling elements and tidy attribute alignment. Pick 2 spaces, 4 spaces or tabs to match your project style. Powered by js-beautify's html_beautify. Runs entirely in your browser; your markup never leaves this page.
Common searches
- html beautifier
- html formatter
- format html
- pretty print html
- html prettifier
- html indent
Related tools
Tools that work with the same formats — most users open one of these next.
CSS Beautifier
Pretty-print CSS — choose 2-space, 4-space or tab indentation for readable stylesheets.
JavaScript Beautifier
Pretty-print JavaScript — consistent indentation and one statement per line for readable code.
SQL Formatter
Format SQL queries for every major dialect — Postgres, MySQL, SQLite, BigQuery, Snowflake and more.
XML Formatter
Pretty-print XML documents — indent nested tags with 2 or 4 spaces for readable markup.
YAML Formatter
Reformat YAML — normalize indentation, line wrapping and quoting for tidy config files.
JSON Validator & Formatter
Validate JSON and see errors with line numbers — plus auto-format/beautify. Free, instant, in-browser.
Frequently asked
What is HTML Beautifier?
HTML Beautifier is a free online beautifier that helps you pretty-print HTML; readable indentation with nested tags on their own lines. HTML Beautifier uses 2 input fields, returns 3 output values, and runs in your browser on the device.
What inputs and outputs does HTML Beautifier use?
HTML Beautifier uses 2 input fields: HTML and Indent. HTML Beautifier returns 3 output values: Formatted HTML, Original size (chars), and Formatted size (chars).
Do my files and data stay private?
Yes. HTML Beautifier runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use HTML Beautifier?
Open HTML Beautifier, paste or fill in the input fields, and the result updates instantly. HTML Beautifier runs in your browser with no upload and no waiting.
Which browsers does HTML Beautifier support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. HTML Beautifier uses standard web APIs and does not require any plugin, extension, or sign-up.