Compress Video Online

Reduce video size locally in the browser by choosing quality and maximum width, then save a smaller MP4.

Need help with the calculation?
Files are not sent to a server. Processing runs in your browser, and the queue handles one file at a time so the device stays responsive.
Drop MP4/MOV/WEBM files here or tap to choose several files
No files selected.
Compression runs locally. The first local run can take a little longer and depends on the browser, device and connection speed because extra components are needed.
Quick mode
Exact settings
In queue0
Done0
Size saving-
Add MP4/MOV/WEBM files.
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How to use it

Add a video, choose a simple compression level or exact settings and process. Large clips depend on device memory.

Recommended settings

For messengers, CRF 30-34 and 720-1080 px width usually work well. On weaker devices, reduce width and process one file.

Privacy

Your files are not uploaded to a server. The editor runs in your browser with local libraries from this site.

Limits

Large images can take longer on phones. If the browser slows down, process fewer files at once or choose a smaller output format.