Compress video to 20 MB
Roughly 1 min 45 sec of 720p video fits in 20 MB, or about 33 sec at 1080p. Set the target below and the bitrate is worked out for your clip's actual duration.
Discord's current free-tier limit, and the default attachment cap in the Outlook desktop client. The most useful single target today.
- Uploaded to a server
- 0.00 KB
- Processing
- WebAssembly, this device
- Offline engine
- warming up
Don't take our word for it — check it yourself in DevTools.
What fits in 20 MB
File size is bitrate multiplied by duration, so the only real question is how much bitrate 20 MB buys you for the length of your clip. These are the numbers the encoder works from.
| Quality | Video bitrate | Fits about |
|---|---|---|
| 480p, low motion | 800 kbps | 3 min 07 sec |
| 720p, typical | 1,500 kbps | 1 min 45 sec |
| 720p, high motion | 2,500 kbps | 1 min 05 sec |
| 1080p, typical | 5,000 kbps | 33 sec |
| 1080p, high motion | 8,000 kbps | 21 sec |
If your clip is longer than the row you want, trimming beats compressing. Cutting thirty seconds off the front costs you thirty seconds; forcing the same footage into half the bitrate costs you every frame.
Who actually requires 20 MB
Questions
How long a video fits in 20MB?
At 720p and a typical bitrate, about 1 min 45 sec. At 1080p, closer to 33 sec. High-motion footage compresses worse, so treat these as ceilings rather than promises.
Can any video be compressed to 20MB?
Almost any, but at some point the bitrate needed becomes low enough that the result looks poor. If your clip is long, trimming it costs far less quality than compressing it harder — a video twice as long needs half the bitrate to hit the same size.
Is my video uploaded?
No. The encoder runs in your browser through WebAssembly. Your file is read from disk and the result is written back to your downloads; neither is sent anywhere.