JavaScript Minifier / Beautifier
Input JavaScript
Output JavaScript
Original
0 B
Output
0 B
Saved
0 B
Status
Idle
About this JavaScript minifier and beautifier
This tool compresses JavaScript by removing comments, extra whitespace, and unnecessary formatting from snippets and small scripts.
It can also beautify compact JavaScript into a more readable structure for review, debugging, and quick edits.
How to use it
- Paste JavaScript into the input field.
- Choose Minify to compress the code or Beautify to format it.
- Copy the generated output and use it in your page, snippet, or build notes.
Tips
- Use minified JavaScript for small inline snippets or quick reductions.
- Use beautified output when reviewing third-party snippets or generated code.
- For production bundles, prefer your project build tool so source maps and modern syntax handling stay intact.
Related tools
You may also find these tools useful.
HTML Minifier / Beautifier
Compress and format HTML code instantly.
SEO & Webmaster
›
CSS Minifier / Beautifier
Minify CSS to reduce file size or beautify compressed CSS for easier reading.
Developer Misc
›
JSON Formatter
Format and minify JSON instantly.
Data & Format
›
Regex Tester
Test regular expressions against text and see matches instantly.
Text & Content
›
JavaScript minifier FAQ
Does this run my JavaScript?
No. The tool treats your input as text and does not execute the code.
Is this a replacement for a bundler?
No. It is best for snippets and quick formatting. Production apps should still use a build pipeline such as esbuild, Rollup, or Webpack.
Can it beautify minified JavaScript?
Yes. Beautify adds line breaks and indentation to make compact JavaScript easier to inspect.
Will minification change behavior?
It is designed to preserve strings and simple syntax, but complex modern JavaScript should be verified in your own test suite.