Detect bugs, security vulnerabilities, performance issues and coding best-practice violations.
JavaScript Beautifier &Decompressor – Format and Clean Your JavaScript Code Online
JavaScript Beautifier &Decompressor is a simple and convenient tool that transforms messy, minified, or poorly formatted JavaScript code into clean, readable, and well-organized code. Beautify, format, and decompress your JavaScript to make it easier to understand and maintain.
Why Is a JavaScript Beautifier Important?
JavaScript code is often minified to reduce file size and improve website loading performance. However, minified code can be difficult to read, debug, understand, or maintain. A JavaScript beautifier restores proper indentation, spacing, and line breaks, making scripts easier to inspect and work with.
It is especially useful when debugging scripts, reviewing existing code, learning JavaScript, troubleshooting website issues, or maintaining older projects.
Who Can Benefit From This Tool?
- Web Developers: Make minified JavaScript easier to inspect and maintain.
- JavaScript Programmers: Improve code readability when debugging or reviewing scripts.
- Students and Beginners: Understand JavaScript syntax and programming logic more easily.
- Website Administrators: Examine scripts when troubleshooting website functionality.
- Code Reviewers: Organize JavaScript for easier inspection and analysis.
Your Code, Your Privacy
Your code belongs to you. This tool processes JavaScript directly in your browser without uploading your scripts to our server. Your submitted code is not stored on our server or collected for reuse. We do not claim ownership of your scripts, publish them, or redistribute your code.
Beautify and format your JavaScript while keeping your code on your own computer and maintaining control over your work.
Beautifying JavaScript does not necessarily restore original variable names, comments, or source-code structure removed during minification. It improves formatting and readability but cannot guarantee recovery of the original source code.
🛠️ More Free Tools
HTML Table Generator with or without CSS
Effortlessly create HTML table code for your website. Enhance your site's design in seconds. Generate Tables.
Pick Colors from any Image
Generate color palettes from an image upto 10 colors using this free tool. Extract Colors.
Color Palette Generator from Hex
Generate harmonious color palettes from a base color. Generate Palettes.
Hex to RGB Converter
Convert color codes between HEX and RGB formats. Try it.
Percentage Calculator
Find percentages, change, discounts, and more. Calculate Percentage.
Random Word Generator
Spark ideas with instantly generated words and phrases. Try our Random Word Generator.
HTML and CSS Minifier
Compress HTML and inline CSS for speed and SEO. Try it here.
Online JS Editor
Edit and refine your JavaScript before embedding. Open editor.
Word Counter
Instantly count words, characters, reading time, and visualize word frequency with a word cloud. Count here.
Crop Image Without Losing Quality
Optimize images alongside your HTML for faster load times. Resize here.
My Fancy Notepad
Minimal writing space with just‑enough features. Write here.
Sentence and Pragraph Counter
Count sentences instantly with our free online sentence counter tool. Count here.
All Tools
Fast, browser‑based utilities for developers, designers, and creators. No sign‑up, no downloads. Go to All Tools.