Free Online Tool
JavaScript Minifier
Remove comments and unnecessary whitespace from JavaScript.
The JavaScript Minifier lets you remove comments and unnecessary whitespace from JavaScript. Paste your text below and the converted result appears immediately — no waiting, no upload, and nothing saved anywhere.
How to use the JavaScript Minifier
- Paste your original text into the input box.
- Choose any conversion options offered above.
- Copy the converted result, or download it as a .txt file.
- Use Clear to start over with new text.
Key features
- Converts instantly as you type, with no delay.
- 100% private — your text stays in your browser.
- Free to use, with no sign-up and no daily limit.
- Handles both short snippets and long documents well.
Questions
Frequently asked questions
Is the JavaScript Minifier free to use?
Yes — the JavaScript Minifier is completely free, with no sign-up, no trial period, and no hidden limits.
Is my text uploaded anywhere when I use the JavaScript Minifier?
No. The JavaScript Minifier runs entirely in your browser using JavaScript. Your text is processed on your own device and is never sent to a server.
Can I use the JavaScript Minifier on my phone?
Yes. The JavaScript Minifier works in any modern browser, including on mobile devices, with no app to install.
Is there a limit to how much text I can use?
There's no artificial limit. Because everything runs in your browser rather than on a server, the JavaScript Minifier can generally handle as much text as your device can comfortably process.
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