How to convert MP4 to WEBM
1. Upload MP4
Select or drag and drop your MP4 file into the converter.
2. Choose WEBM
Select WEBM as your output format. You can process multiple files at once.
3. Download
Click convert and download your new WebM file instantly.
Format Details
MP4
MP4 (MPEG-4 Part 14) is the most widely used digital video container format, storing H.264/H.265 video and AAC audio for web, mobile, and broadcast delivery.
WebM
WebM is an open, royalty-free media format designed for the web, typically using VP8/VP9/AV1 video and Vorbis/Opus audio.
Frequently Asked Questions
How do I convert MP4 to WEBM?
Upload your MP4 file on Convertek, select WEBM as the output format, then click Convert. Your WEBM file will be ready to download instantly.
Is the MP4 to WEBM converter free?
Yes. Converting MP4 to WebM on Convertek is completely free with no watermarks. Fair upload limits apply (typically 30 MB per file).
Is my file kept after conversion?
No. Files are processed temporarily and not stored permanently. Converted downloads are available only in your browser session.
What is the difference between MP4 and WEBM?
MP4 and WebM are different file formats with distinct use cases. Converting between them lets you use your file in software or workflows that require the WEBM format.