File Info

File Name {{metaData.fileName}}
Original Size {{calcFileSize(metaData.fileSize)}}	Minified Size {{calcFileSize(metaData.optimizedSize)}}	Minified Percent {{metaData.optimizedPercent}}

Minify Settings

JS Minifier – Optimize & Compress Javascript Code for Faster

JS Minifier is a web-based code optimization tool that reduces the size of JavaScript (JS) files by removing unnecessary characters like whitespace, comments, and line breaks. This process improves website performance by decreasing load times and bandwidth usage.

Why Use a JS Minifier?

Faster Page Loading – Smaller JS files load quicker, enhancing user experience.
Better SEO Rankings – Search engines favor fast-loading websites.
Reduced Bandwidth Costs – Minified files consume less server resources.
Improved Performance – Optimized code runs more efficiently.

Key Features

Free & Online – No downloads or installations required.
Fast Compression – Minify JS files in seconds.
Preserves Functionality – Code works the same, just smaller.
Source Map Support – Debug minified code easily.
Secure – No server storage; files stay private.

How to Use This JS Minifier to Minify JavaScript?

Paste your JS code or upload a .js file.
Adjust compression settings to fit your needs.
Click "Minify" to compress the code.
Copy or download the optimized version.

Library Used

Terser: https://github.com/terser/terser

Featured Tools

Featured tools that you might find useful.

Popular Tools

List of popular tools that users love and frequently use.

New Tools

The latest tools added to our collection, designed for you.

Topics

The tools grouped by topics to quickly find what you need.

Markdown & HTML Converter

Seamlessly convert code between Markdown and HTML with our free online Markdown & HTML Converter. Enjoy 100% secure, browser-based processing with no server uploads and instant results.

PEM & JWK Converter

Converts Keys in PEM format to a JSON Web Key format and Converts Keys in JSON Web Key format to PEM format (PKCS#8). Securely convert PEM to JWK and JWK to PEM (PKCS#8) online. 100% private, client-side processing. No server uploads. Perfect for JWT and OAuth2 developers.

XML Minify

Compresses eXtensible Markup Language (XML) code by removing unnecessary whitespace, line breaks, and optionally comments.

Parse IPv6 Address

Instantly parse, expand, and compress IPv6 addresses online. Extract network prefixes and binary data with our secure, client-side IPv6 parser. No server logs.

JS Minifier