Developer Tools
Minify JavaScript by removing unnecessary whitespace and line breaks.
Use this JavaScript Minify tool to compress readable JavaScript into a smaller compact form. It is useful for reducing visual clutter, preparing snippets for embedding, creating one-line test fixtures, and turning formatted code into tighter output for quick developer workflows.
Use this JavaScript Minify tool to compress readable JavaScript into a smaller compact form. It is useful for reducing visual clutter, preparing snippets for embedding, creating one-line test fixtures, and turning formatted code into tighter output for quick developer workflows.
Use javascript minify when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
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Input
function test() {
console.log('ok');
} Output
function test(){console.log('ok');} Useful when you want compact JavaScript for a quick snippet.
Input
if (ready) {
start();
} else {
stop();
} Output
if(ready){start();}else{stop();} Removes line breaks and extra spacing from a basic control block.
Fix: Check missing brackets, quotes, or incomplete code before minifying.
Fix: This tool focuses on compact formatting, not full bundler-grade optimization.
Fix: Use JSON Minifier for strict JSON payloads.
It removes unnecessary whitespace and line breaks to make JavaScript more compact.
It should mainly change formatting, not intended logic.
JavaScript Minify makes code compact. JavaScript Prettify makes code easier to read.
No. It is mainly for simple browser-based compacting, not full production optimization.
Yes. That is one of the most useful cases for this tool.