WEBM to MP4 Converter
The most secure way to convert WEBM to MP4 online. Running entirely in your browser using WebAssembly technology.
Drag & Drop Audio/Video
Why convert WEBM to MP4?
WebM is an amazing, open-source video format heavily used by YouTube, Discord, and browser-based screen recorders. However, major professional video editing software often refuses to import WebM files outright.
Converting WebM to MP4 normalizes the video container, allowing you to drag and drop your web-ripped or screen-recorded footage directly into tools like DaVinci Resolve or Premiere Pro.
Common Use Cases
- Editing a browser-based screen recording in a professional NLE suite
- Saving a humorous video meme for native playback on an iPhone
- Fixing a corrupted video stream from a web download
Frequently Asked Questions
Is converting WEBM to MP4 free?
Yes, it is 100% free. We run ads to support the site, but the tool itself has no paywalls.
Is my data secure?
Absolutely. Unlike other online converters that require you to upload your confidential files to their servers, we use FFmpeg.wasm to process everything inside your browser. Your data never touches our servers.
Can I do batch conversions?
Yes! You can select multiple WEBM files at once and convert them all to MP4 in a queue.
How long does it take?
It depends on your device's speed. Since it runs locally, a powerful computer will convert faster than a mobile phone. For most short clips, it's instant.