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8K UHD to 4K UHD Downscaleer
Your files never leave your device
Drag & drop your files
or
Accepted: MP4, MOV, MKV, AVI, WEBM, FLV
How to use 8K UHD to 4K UHD Downscaleer
- 1
Upload video
Select a 8K UHD video file from your device.
- 2
Convert
Click convert to downscale to 4K UHD.
- 3
Download
Save your 4K UHD video.
Frequently Asked Questions
- Does downscaling reduce file size?
- Yes, significantly. A 4K to 720p downscale can reduce file size by 80-90%.
- Will I lose quality?
- The output matches the target resolution exactly. Detail is preserved as well as possible at the lower resolution.
Why Downscale 8K UHD to 4K UHD?
Downscaling to 4K UHD reduces file size, improves playback on older devices, and meets upload limits on social platforms.
Resolution Comparison
| Format | Dimensions | Total Pixels |
|---|---|---|
| Source (8K UHD) | 7680 × 4320 (33.18 MP) | |
| Output (4K UHD) | 3840 × 2160 (8.29 MP) |
Key Benefits
- 100% Private – Your files never leave your device.
- No Software Install – Works directly in your browser.
- Free & Unlimited – Use it as many times as you need.