WEBM to MP4 Converter
Convert WEBM files to MP4 in your browser. Choose your file, adjust available settings, then download the converted file.
Maximum 100 MB per file, up to 5 files at a time.
300+ formats supported
Convert between 300+ file formats in your browser.
Fast and easy
Just drop your files on the page, choose an output format and click "Convert".
How to convert WEBM to MP4
- Click the “Choose Files” button to select your files.
- Click on the “Convert” button to start the conversion
- When the status change to “Done” click the “Download” button
Good to know
WEBM files come from browser downloads, screen recorders and some web tools. Video editors, PowerPoint and iPhones often refuse them, while MP4 opens everywhere.
About WEBM
WebM · Video container
An open web video container commonly produced by browsers and screen recorders.
Opens with: Modern browsers and web tools.
Strengths: Good for browser playback.
Limitations: Some editors and mobile apps prefer MP4.
About MP4
MPEG-4 Part 14 · Video container
A common video container that usually holds H.264 or H.265 video and AAC audio.
Opens with: Phones, browsers, TVs, editors and social platforms.
Strengths: Very broad compatibility.
Limitations: Features depend on the audio and video codecs inside.
Why convert WEBM to MP4?
An open web video container commonly produced by browsers and screen recorders. A common video container that usually holds H.264 or H.265 video and AAC audio.
Make video broadly playable. Keep the original file until you have checked the result.
Frequently asked questions
Some players, editors and Apple apps don’t support WEBM. Convert it to MP4 to open it anywhere.
Yes. MP4 with H.264 is supported by almost every video editor.
Keep the original resolution and a high quality setting for the best result.