JavaScript Tools

Free online javascript tools that run entirely in your browser

Free online JavaScript tools for developers. Format and beautify minified JavaScript with the JS beautifier, or compress scripts with the JS minifier to reduce file size and speed up page loads. All processing happens locally in your browser.

2 free online javascript tools below that run entirely in your browser. No signup, no uploads — fast and private.

JavaScript Beautifier

Format and beautify JavaScript code with proper indentation and spacing for development.

JavaScript Minifier

Compress JavaScript by removing comments, whitespace, and redundant separators for faster page loads.