MP4 to WEBM

Free

Convert MP4 video to WebM format

Drop video here or click to browse

Convert MP4 video to WebM format

About MP4 to WEBM

If you are putting video on a website, WebM is the format that loads fast and plays natively in browsers without plugins. MP4 to WebM converts your clip into this web-optimized format, which is ideal for embedding directly into pages.

Upload your MP4 and download the WebM version in moments. The conversion runs in your browser with no account, no watermark and nothing to install. Codaiman keeps the tool free and privacy-first, so you can prep a lightweight web video without a build pipeline, a desktop encoder, or a sign-in wall standing between you and the file.

Common uses

  • Embedding a video that plays natively in modern browsers
  • Shrinking a clip for faster page load times
  • Adding background or hero video to a website
  • Serving an open-format alternative alongside MP4
  • Preparing video for an HTML5 player

How to use

  1. 1

    Upload your file

    Click the upload area or drag & drop your file. Supports MP4. Up to 50 MB.

  2. 2

    Click "Process — MP4 to WEBM"

    Click the process button. Your file is converted instantly on our secure servers.

  3. 3

    Download your result

    Preview and download your converted file. No watermarks, no quality loss, no expiry.

Why ToolHub?

  • 100% Free — no account needed
  • Works in your browser — no software required
  • Instant results
  • Secure and private
  • No data stored
  • Simple to use

FAQ

Why use WebM for the web?

WebM is open, well compressed and plays natively in modern browsers, making it great for fast-loading embedded video.

Will WebM play on every browser?

It works in most modern browsers like Chrome, Firefox and Edge. For older Safari or legacy browsers, offering an MP4 fallback is wise.

Is the file smaller than MP4?

WebM often compresses efficiently, so file sizes are frequently smaller, which helps with web performance.

Can I use MP4 to WEBM on mobile?

Yes — ToolHub is fully responsive and works on iPhone, Android, tablets and all modern browsers. No app install needed.