JS Minifier
Minify JavaScript to reduce file size or beautify minified code. No upload needed — runs in your browser.
How to Use
- 1 Paste your code into the editor
- 2 Choose minify or beautify
- 3 Copy the processed output
Why Use This Tool
Private & Secure
Your data never leaves your device. Everything is processed right in your browser — nothing is uploaded or stored on any server.
Lightning Fast
No waiting for uploads or server processing. Results appear instantly because all the work happens on your machine.
Free, No Sign-Up
Use this tool as many times as you want. No account required, no email, no limits — just open and go.
Developer Friendly
Built for developers who need quick, reliable tools without the clutter. Keyboard-friendly and paste-ready.
Frequently Asked Questions
Is JS Minifier free to use?
Yes, JS Minifier is completely free with no usage limits, no account required, and no ads. You can use it as many times as you need.
Is my data safe when using JS Minifier?
Absolutely. JS Minifier runs entirely in your browser. Your files and data are never uploaded to any server — everything is processed locally on your device.
Can I use JS Minifier for large files?
Yes. JS Minifier processes everything in your browser, so it handles most file sizes well. For extremely large datasets, performance depends on your device's available memory.
Does JS Minifier work offline?
Once the page is loaded, JS Minifier works without an internet connection since all processing happens locally in your browser.