JavaScript Minifier

Minify

Minify JavaScript code in your browser. Paste code, run the minifier, and copy the compact result. Your input stays on this device.

Back to JavaScript Oxc Tool

Minifier example

Before

const user={name:'Ada',roles:['admin','editor']};

After

const user={name:'Ada',roles:['admin','editor']};

Workflow

Use JavaScript without sending code.

Paste a snippet, run the action, review any highlighted issue, then copy the result back to your work.

Current language
JavaScript
Current action
Minifier
  1. 01

    Start

    Paste a snippet or full file into the editor.

  2. 02

    Run

    Use Minify code from the action bar.

  3. 03

    Review

    Check that the compact result is suitable for your target runtime.

  4. 04

    Move

    Use Copy code when the result is ready.

Files
.js, .jsx, .mjs
Paste a JavaScript snippet or a full source file.
Engine
SWC
Runs the browser-side minifier for compact output.
Privacy
Local run
The editor does not send pasted code to a formatting API.
Result
Compact output
Copy the compact result after checking it still parses as expected.