Developer & Text ToolsFree100% Client-Side
Code Minifier
Minify JavaScript, CSS, HTML, or JSON by stripping comments and unnecessary whitespace.
100% privateRuns instantly in-browserUpdated regularly
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100% Secure & Private
Your files never leave your computer — processed in-browser with WebAssembly.
Lightning Fast
No queues, no uploads — results in milliseconds, even on mobile.
Modern & Ad-Light
Clean interface, dark mode, and no popups — built to beat legacy tools.
What you get
- Supports JavaScript, CSS, HTML and JSON
- Strips comments and collapses whitespace
- JSON validated with clear error messages
- Stat bar showing size reduction percentage
- One-click copy of minified output
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Frequently asked questions
JavaScript, CSS, HTML, and JSON are all supported, selectable from the language dropdown.
The tool validates JSON before minifying and displays a clear error message if parsing fails.
It varies by input, but the stat bar shows your exact byte savings and percentage reduction after minifying.