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100% Client-Side • No Uploads
Code Minifier Free
Minify code to reduce file size for production deployment. Removes whitespace, comments, and optimizes syntax. Supports JS, CSS, HTML, JSON. All client-side, no build step needed.
Your Files Stay Private
Never uploaded to any server. Processing happens entirely in your browser.
No Size Limits
Process files of any size — limited only by your browser memory.
No Account Required
Start immediately. No signup, no email, no tracking.
Works Offline
After first load, the tool works without internet connection.
Why Choose NativeSmith?
Built different from traditional online tools. No compromises on privacy or usability.
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Removes whitespace, comments, optimizes syntax
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Shows compression ratio and bytes saved
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Syntax highlighted input/output
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One-click copy/download minified code
How It Works
Three simple steps to minify your files.
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Add Files
Drag and drop files or click to browse. Add as many as you need.
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Configure Options
Adjust settings like quality, format, or page selection as needed.
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Download Result
Click process and instantly download your minifyd files. Done — no waiting, no email required.
Frequently Asked Questions
Is my code uploaded anywhere?
No. All minification happens in your browser. Your code never leaves your device.
Does minification break my code?
Modern minifiers are safe for valid code. Always test minified output in your environment. We use battle-tested algorithms.
What's the typical size reduction?
30-60% for JS/CSS, 10-20% for HTML, 10-30% for JSON depending on formatting.
Can I minify ES6+ JavaScript?
Yes, supports modern JavaScript syntax including ES6+, TypeScript (strips types), and JSX.
Is there a file size limit?
No practical limit. Works with any file your browser can handle.
Need More Power?
Upgrade to Pro Pass for advanced features.
- Batch minify multiple files
- Terser options (mangle, compress)
- Source map generation
- API access
Ready to minify Your Files?
Start using NativeSmith — your files never leave your browser.
Start Now