Files are not uploadedNo server stores, forwards or analyzes your media.
Video tool / CompressStandard
Compress Video
Reduce video file size while balancing visual quality and storage.
01
Local readBrowser memory
02
Device processingWASM Worker
03
Save resultBack to your disk
0 uploads
Capability noteThe final size is an estimate; single-pass browser compression cannot guarantee an exact target size.
Drop a video here
or choose files from this device; media content is never uploaded
video/* · .mkv · .movProcessing settings
Exports MP4 with H.264 video and AAC audio
Processed only on this deviceExports MP4 with H.264 video and AAC audio
Cancel at any timeCancel terminates the Worker and clears the virtual file system.
You save the resultDirect file writing is used when available, with browser download as fallback.
How it works
Reduce video file size while balancing visual quality and storage.
- Choose media from this device.
- Set the options and review the local preview.
- Run the tool and save the result back to your device.
Formats
- Input
- MP4, WebM, MOV, MKV and other formats supported by the bundled engine
- Output
- MP4 (H.264 / AAC)
Privacy
Processing happens in this browser with WebAssembly. The selected media is not sent to our servers.
Limitations
The final size is an estimate; single-pass browser compression cannot guarantee an exact target size.