Resize & Compress Video Online
Resize and compress video files by changing their resolution. Convert 4K to 1080p or 720p to reduce file size dramatically. Uses FFmpeg in your browser — no server upload needed.
Common uses
- Compress 4K video to 1080p or 720p
- Reduce video file size for sharing
- Resize video for social media upload limits
- Downscale video for faster streaming
Frequently Asked Questions
How much will the file size be reduced?
Going from 4K to 1080p typically reduces file size by ~70%. From 1080p to 720p reduces by ~50%.
How long does video resizing take?
It depends on video length and your device. A 1-minute video typically takes 30-90 seconds. FFmpeg runs entirely in your browser.
Is my video uploaded anywhere?
Never. Video processing uses FFmpeg.wasm which runs in your browser. Your files stay on your device.