Format CSS for Bug Reports

When filing CSS bugs, formatted CSS is much easier for reviewers to read and understand.

No login required

Indent:

Sort properties alphabetically

Minified / messy CSS

Beautified CSS

Output will appear here…

Bug Reports tips

📋

When reporting browser CSS bugs or library issues, paste formatted CSS in your issue — easier for the reviewer to reproduce.

💡

For Stack Overflow questions, formatted CSS gets better answers — readers can immediately understand your style.

🎯

For client-side error reports (something like Sentry), capture the affected CSS and format before sharing with the team.

Enter

Enter your data into the tool above. Everything stays local to your browser.

Process

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Download

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Completely free — no hidden costs, ever

✓No account, email, or login required

✓Files never leave your device

✓No file size limits whatsoever

✓No watermarks on any output

Debug Production CSS

View minified CSS from production sites in a reada

Enforce Team CSS Style

Run team-submitted CSS through a consistent beauti

Format Vendor-Prefixed CSS

Vendor-prefixed CSS (autoprefixer output) often ha

Learn from Pro CSS

Study CSS from famous design systems by formatting