MP4 to WebM Converter

Convert MP4 videos to WebM instantly

Convert Settings
Error message here
Large file detected. Conversion may take a few minutes.

Result Preview

Initializing...

Processing your file...

Conversion Complete!

0 KBFormat Changed

What we do

Key Features

  • MP4 to WebM: Create optimized video files for web usage.
  • HTML5 Ready: WebM is supported by all modern browsers (Chrome, Firefox, Edge).
  • Smart Compression: Reduced file sizes for faster website loading times.
  • Client-Side Privacy: Videos are processed in your browser and never uploaded.
  • Crash Protection: Safe limits prevent browser crashes on mobile devices.
  • No Watermark: 100% free for personal and commercial use.

How do I use it?

It's simple: Step 1: Upload your MP4 file. Step 2: Ensure "WEBM" is selected. Step 3: Click "Convert Video" to start the process instantly.

How do I download?

Once the conversion is finished, a preview will appear automatically. Simply click the green Download File button to save the WebM video.

Is this tool free?

Yes, this tool is 100% Free. There are no limits on the number of MP4 videos you can convert. No sign-up required.

Why Convert MP4 to WebM?

WebM is open-source and often smaller than MP4, making it perfect for website backgrounds and embedding without licensing fees.

Privacy & Security

Your privacy is our priority. Since this tool runs Client-Side (WASM in your browser), your personal videos are never uploaded to our servers.