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ShrinkVid

Compress Video to 10 MB

Drop a video below and it will be encoded to fit under 10 MB. ShrinkVid divides the size budget by the video’s duration to get the exact bitrate, then picks the highest resolution that still looks clean.

Processed on your device — files are never uploaded.

How to compress video to 10 MB

  1. Drop your video.
  2. Leave the target at 9.7 MB.
  3. Compress video.
  4. Download your sub-10 MB MP4.

The math behind exact-size compression

File size ≈ (video bitrate + audio bitrate) × duration. For a 10 MB budget and a 45-second clip, that is about 1.7 Mbps total. ShrinkVid reserves 6% for container overhead, subtracts the audio bitrate, and encodes the video at what remains. If that bitrate is too thin for the original resolution, Auto steps down to 720p, 540p or 480p so the picture stays clean rather than blocky.

Private by design

ShrinkVid never uploads your files. The page loads once, then all decoding and encoding happens on your device using the browser’s built-in WebCodecs API (hardware-accelerated video) and WebAssembly image codecs. That makes it safe for personal, confidential or work files — and there is no queue, no file size cap and no watermark. Read how it works.

Frequently asked questions

Can a long video fit in 10 MB?

Yes, but quality drops with length. Ten minutes at 10 MB is only about 130 kbps in total, which only looks acceptable at 360p or below. Trim the video or remove audio to give the picture more bits.

Are my files uploaded to a server?

No. ShrinkVid runs entirely in your browser. Files are read and encoded on your own device with WebCodecs and WebAssembly, so nothing is uploaded, stored or seen by anyone else. You can even disconnect from the internet after the page loads and it keeps working.

Is it really free? Is there a watermark or file size limit?

It is completely free with no watermark, no sign-up and no server-side file size limit. Because processing happens on your device, the only practical limits are your device’s memory and speed.

Last updated · by the ShrinkVid team