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Compress a video to 15 MB

Fifteen megabytes fits a minute of clean video.

  • Nothing is uploaded. Your browser does the compression, so the file stays on your device.
  • Lands under the real limit. We aim a little below it, so the upload goes through first time.
  • Fast. A 30 second 1080p clip fits into 10 MB in about two seconds on a desktop.
Where are you sending it?

Custom size 15.00 MB. We aim for 14.55 MB, a small safety margin so the file never lands just over.

Sent to our servers: 0 bytes. It all happens in this tab.

When you need 15.00 MB

Forms and chat tools with a 15 MB cap, and services slightly stricter than WhatsApp.

What to expect

One minute stays near 720p. Two minutes drops to 480p.

How much video fits in 15 MB

Worked out with the same maths the compressor uses, for a typical 1080p phone or screen clip with sound. Fast motion needs more room, still scenes and screen recordings need less.

Clip lengthResolution we pickHow it looks
10 seconds1080pSharp
30 seconds1080pSharp
1 minute720pSharp
2 minutes480pGood on a phone
5 minutes270pWatchable, small
10 minutes240pWatchable, small

How we hit the number

We work out how many bits each second of video can use: the target size, minus a safety margin, divided by the length, minus the audio. Then we pick the largest resolution that still looks clean at that rate and encode with your browser's built-in video encoder. If the result is still over, we automatically try once more at a lower rate.

The target we aim for is 14.55 MB, which is 450 KB under 15.00 MB, so the file is not turned away over a few bytes.

Questions people ask

Is this the WhatsApp limit?

WhatsApp's limit is about 16 MB. Use the WhatsApp page for that; this page is for services that stop at 15 MB.

Related

Limits change. We link the official page wherever there is one, and the safety margin means a small change is unlikely to matter. Last updated 2026-11-09.