WebM is the open-source container designed for web video. AV1-in-WebM is supported natively by Chrome, Firefox, Edge, and Opera — without plugins or licenses. Converting your MP4 to WebM with AV1 gives you the best compression ratio available in a browser-native format.
Convert MP4 to WebM (AV1) for web streaming — royalty-free, smaller files, native browser support.
Upload your MP4 file using the tool above, make sure the output codec is set to AV1 and the container to WEBM, then click Convert. No software installation required — encoding runs on our GPU servers.
Yes. The public tool works without sign-up for capped preview jobs up to 720p and 200 MB. Create a free account to unlock up to 8K/120fps, larger files, starter credits, and production encoding workflows.
Encoding speed depends on file length, queue depth, codec, and selected resolution. Short public jobs usually finish quickly, while account jobs give you higher limits and production controls.
AV1 is a modern video codec with significantly better compression than H.264 and H.265, reducing file size by 30–50% at the same quality. Converting to WebM (AV1) is ideal for web streaming, archiving, and platforms like YouTube that support AV1 delivery.
Yes. By default the tool re-encodes audio to AAC at 192 kbps for MP4/MKV/MOV, or Opus at 128 kbps for WebM. You can also choose to copy the original audio stream unchanged or strip it entirely using the Audio selector.
The public encoder is useful for quick previews. For larger files, up to 8K/120fps output, bulk jobs, API access, storage outputs, and webhooks, create an account and run production workflows with predictable NEU estimates.