JavaScript Tools

Un-minify JS

Un-minify JS — expand minified JavaScript back into readable, indented code. It works entirely in your browser, with nothing uploaded to any server.

Client-sideRuns entirely in your browser — your data never leaves your device.

Un-minify JS is a free JavaScript Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Minified JavaScript input
Beautified JavaScript

How to use Un-minify JS

  1. Drop your text into the field at the top of Un-minify JS.
  2. Adjust the Indent option to match what you need.
  3. Watch the output update instantly while you adjust the text.
  4. Use Copy to keep or reuse the result.

About this tool

There is no server behind Un-minify JS. Un-minify JS handles your input locally and returns the result instantly, with no sign-up.

It is designed to do one job well and stay out of your way. It behaves the same on desktop and mobile, with nothing stored remotely.

Frequently asked questions

How do I use Un-minify JS?

Un-minify JS runs entirely on your device: add your input using the Indent control, and it minifies it locally in real time.

Is Un-minify JS free to use?

Yes — Un-minify JS is completely free, with no usage limits.

Where is my data processed by Un-minify JS?

Entirely in your browser — Un-minify JS keeps your data on your own machine and sends nothing anywhere.

Does Un-minify JS work on mobile?

Yes — Un-minify JS is just a web page and runs on any modern browser, including phones and tablets.

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