Convert MP4 to WEBM
Free online MP4 to WEBM converter.
Choose a .mp4 file
or drag and drop it here
Max 200 MB for video · 100 MB for other files
How to convert MP4 to WEBM
- Click "Choose a .mp4 file" or drag and drop your MP4 file into the upload area.
- Select your preferred quality level — high quality keeps the best fidelity, smaller file prioritizes file size.
- Your file uploads directly to our secure servers and conversion starts automatically.
- Once finished, click "Download" to save your converted WEBM file.
About MP4 and WEBM formats
.mp4 format
MP4 (MPEG-4 Part 14) is the most widely used video container format. It stores video, audio, subtitles, and metadata in a single file. Compatible with virtually all devices, browsers, and media players.
.webm format
WebM is a royalty-free format designed for the web. It uses VP8/VP9 video and Vorbis/Opus audio codecs. Natively supported by Chrome, Firefox, and Edge.
Privacy and security
Your files are encrypted during upload using 256-bit SSL and are automatically deleted from our servers within 24 hours. We never share, sell, or access your files. All conversions happen on isolated, ephemeral servers.