HTML Prettifier
Properly indent HTML with configurable tab width. Collapses redundant whitespace, aligns attributes, and preserves whitespace inside `<pre>` and `<textarea>`.
Runs locally in your browser
For long source files, open fullscreen for a wider view
Raw HTML
490 chars · 1 line
Formatted
Output will appear here…
Input
492 B
Output
0 B
Lines
0
Tab width
2
Print width
100
Related tools
About HTML Prettifier
Properly indent HTML with configurable tab width. Collapses redundant whitespace, aligns attributes, and preserves whitespace inside `<pre>` and `<textarea>`.
HTML Prettifier is part of FizzKit — a collection of focused, browser-based tools. Because everything runs locally, it works offline once loaded and never exposes your data to a remote server.
Frequently asked questions
No. It formats any input that parses. For validation use the W3C validator.