JavaScript Minifier
Strip comments and unnecessary whitespace from your JavaScript to produce a smaller file, ready for production.
About this javascript minifier
Smaller JS files mean faster page loads, directly affecting Core Web Vitals and user experience. This tool compresses your script down to a smaller footprint.
How javascript minifier works
Comments are removed and whitespace is collapsed, producing more compact JavaScript.
Common uses
- Shrinking a script before deploying to production
- Quickly compacting a JS snippet pasted from another source
- Reducing page weight to improve load speed
How to use this tool
- Paste your JavaScript.
- Click Process.
- Copy the minified result.
What to know before using it
Performs basic whitespace and comment stripping, for advanced minification with variable renaming and dead-code elimination, a dedicated build-tool minifier (like Terser) would go further.
Privacy and browser-first processing
Your code is processed entirely in your browser and is never uploaded or stored.
Frequently asked questions
Will minifying break my code?
Basic whitespace and comment removal is safe and preserves behavior, this tool does not rename variables or restructure logic, which is where more aggressive minifiers can occasionally introduce issues if not careful.