100% Client-Side

JavaScript Minifier

Minify and format JavaScript — with size reduction stats

Free Client-Side No Login No Storage
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CSS Formatter Format and minify CSS — with @media and nested rule support JSON Minifier Minify JSON by removing whitespace — reduce payload size SQL Formatter Format and beautify SQL queries — supports MySQL, PostgreSQL, SQLite

How to Use the JavaScript Minifier

  1. Paste your JavaScript.
  2. Choose Minify or Format mode.
  3. Click the action button.

Minifies JavaScript by stripping comments and collapsing whitespace. Preserves license comments (/*!). For production, consider Terser or esbuild.