WebM to MP4

Turn web video into compatible MP4.

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How to use WebM to MP4

Select your files in the private workspace above. Supported inputs: WEBM.
Review the settings, then start. The workspace uploads and processes your files on the server.
Check the output and download it. Delete files when finished, or let them expire automatically after one hour.

Decode supported WebM streams and export compatible H.264/AAC MP4 with even dimensions, normalized rotation, and fast-start playback layout.

Re-encoding is lossy. Review motion and audio after conversion, and retain your source if you plan to edit.

Only the main video and audio streams are kept. Additional tracks and subtitles may be omitted.

Up to 250 MB per file. One input per job. Outputs use MP4 format. Busy queues may ask you to try again shortly.

No. Every tool works for guests. Your favorites and saved settings stay on this device and do not include file contents.

Make camera and phone video broadly compatible.

Convert the main video and audio streams to MP4.

Reduce resolution and file size for easier sharing.