Compress MP4 video
Re-encode MP4 with H.264 CRF to reduce size. Lower CRF means better quality.
All files remain on your device. Nothing is sent to servers.
How it works
Select video
MP4 or WEBM input.
Set CRF
Try 23–28 for a balance.
Compress
Download the new MP4.
Benefits
- Smaller shares
- Local
- Adjustable quality
Frequently asked questions
- WEBM output?
- This tool outputs MP4 (H.264) for broad compatibility.