File Convert

Convert MP4 to WEBM

Free online MP4-to-WEBM converter — upload a MP4 file and download a WEBM. Fast, private, no signup.

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MP4 vs WEBM

MP4

MPEG-4 video container; the web/mobile default.

About MP4 ↗

WEBM

Open web video container (VP8/VP9/AV1).

About WEBM ↗

MP4 to WEBM: frequently asked questions

How do I convert MP4 to WEBM?

Drop your MP4 file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a WEBM to download. No software to install.

Is the MP4 to WEBM converter free?

Yes. Convert MP4 to WEBM for free right in your browser, with no account needed to get started.

Is it safe and private?

Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.

What's the difference between MP4 and WEBM?

MPEG-4 video container; the web/mobile default. Open web video container (VP8/VP9/AV1).

Related conversions

Convert MP4 to: MOV · MKV · 3GP · AVI · FLV · MPEG · WMV · JPG · PNG · MP3

Convert to WEBM from: 3GP · AVI · FLV · MKV · MOV · MPEG · WMV

Browse all supported formats →