Is this a replacement for terser?

No — for production builds use terser/esbuild which handle scope analysis. This is for quick browser-based size estimates and beautification.

Converters Tool

JavaScript Minifier & Beautifier

Minify or beautify JavaScript for production or debugging.

Privacy-first workflows

Fast and simple

100% Free, no signup

Input JavaScript

Output (106 B, was 143 B)

function greet(name){if(!name)return "Hello!";return "Hello "+name+"!";}console.log(greet("OneClickUse"));

Note: This is a lightweight in-browser minifier. For production builds, use full minifiers like terser or esbuild that handle scope analysis, mangling, and dead-code elimination.

How it works

How to minify or beautify JavaScript

STEP 01

Paste your JavaScript.

STEP 02

Pick Minify or Beautify.

STEP 03

Copy the output.

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FAQ

JavaScript Minifier & Beautifier

How to minify or beautify JavaScript

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