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.

Parse SSH Host Key

Parse SSH host keys and calculate SHA256/MD5 fingerprints online. 100% private, client-side decoding for RSA, ECDSA, and Ed25519 public keys.

Parse ObjectID Timestamp

Extract and parse the creation timestamp from a MongoDB ObjectId. 100% private, client-side decoder converts BSON ObjectIds to local time and UTC.

Parse DateTime

Instantly parse and convert datetime strings, ISO 8601, and Unix timestamps to Local Time and UTC. 100% private, client-side date parser with no server logs."

Parse UNIX File Permissions

Parse and calculate Unix/Linux file permissions online. Convert octal numbers (like 755) to symbolic strings (rwxr-xr-x) with our visual chmod tool.

JS Minifier