JavaScript Code Minifier
Compress JavaScript code by removing comments, unnecessary whitespace, and line breaks.
About this tool
Shrink inline scripts and utility functions for production publishing.
How to use this tool
- Paste JavaScript code
- Click Run
- Copy minified output
How it works
Strips code comments and redundant whitespace tokens through static lexical regex transformations.
When to use this tool
- Minifying inline bookmarklets or utility functions
Frequently asked questions
Does Tool Fly run or execute my JavaScript code?
Never! User code is processed purely as inert text and is never evaluated or executed.
Limitations
Lightweight minifier; for AST-level identifier mangling, use a full build bundler like Vite.
Privacy
Processed locally in memory.