Free Online JavaScript Minifier & Beautifier | Optimize JS Code

Minify JS for faster website loading and beautify code for readability with ektool.in's free online tool. Reduce file size, improve performance & maintainability.

📦 JS Minifier & Beautifier

🕓 History

🔑 Key Features & Benefits

Minify JavaScript

Strip whitespace, comments, and line breaks to shrink files and improve load speed.

Beautify Code

Re‑indent and format JS for readability and easier debugging/collaboration.

Performance Boost

Smaller JS = faster pages, better Core Web Vitals, and improved UX.

Custom Options

Choose indentation, tab width, and minify aggressiveness to suit your workflow.

Copy & Download

One‑click copy to clipboard or download the optimized file.

Private by Design

Processed locally in your browser. Your code never leaves your device.

💡 Use Cases

  • Web & Front‑End Developers: Optimize bundles for faster page loads.
  • App Teams: Keep codebases tidy and consistent across contributors.
  • SEO Specialists: Improve site speed signals.
  • Students: Learn best practices for clean JS formatting.
  • Data/Tools: Clean snippets before embedding into dashboards and docs.

⭐ Why Choose Ektool.in's JS Minifier & Beautifier?

  • Free & comprehensive feature set
  • Instant, in‑browser processing
  • Enhances performance & maintainability
  • Secure & private — no uploads
  • ES6+ support for modern codebases

📝 How to Use

  1. Input JavaScript: Paste code or upload a file.
  2. Choose Operation: Select Minify or Beautify.
  3. Process: Click the button and view instant output.
  4. Copy or Download: Grab the optimized result.

❓ Frequently Asked Questions

What is JS minification?

Minification removes unnecessary characters to reduce file size while preserving behavior.

What is JS beautification?

Beautification reformats compact or messy code into clean, readable JS.

Is it free and private?

Yes. It’s free and runs locally in your browser — your code isn’t stored on servers.

Does it support ES6+?

Yes, including classes, arrow functions, template literals, and more.