How to get a video under 16 MB for WhatsApp

What WhatsApp does to a video

When you attach a video the normal way, WhatsApp compresses it before sending. It has long capped videos sent this way at 16 MB, and when a video is too long to fit it asks you to trim it. Recent versions add an HD button when you attach a video, which sends a higher resolution, but the video is still compressed.

The app has to do this quickly, on your phone, for any video anyone gives it, so it uses cautious settings. That is where the blur comes from. You have two ways round it.

Option 1: compress it to under 16 MB yourself

If the file you attach is already small, WhatsApp has much less to do to it. You also get to decide the trade between sharpness and length, where the app would decide for you.

1. Open the video compressor and choose your video.
2. Select Fit under a file size and tap 16 MB.
3. Leave Resolution on Automatic. The estimate shows the picture size you will get.
4. Press Compress video, then Share and pick WhatsApp, or save it and attach it from your gallery.

What 16 MB allows

The longer the video, the less data there is for each second. This table shows what the compressor picks for a vertical Full HD video with normal sound.

Up to about two minutes, 16 MB is enough for a video that looks good on a phone. Beyond three minutes the picture has to get small, and it is worth trimming or using option 2.

Option 2: send it as a document

WhatsApp does not compress documents. Tap the attach button, choose Document and pick the video file. It arrives exactly as you sent it, at full quality, and the limit for documents is 2 GB.

The cost is convenience. The other person sees a file to download instead of a video that plays in the chat, and a large file uses their mobile data. This is the right choice when quality matters more than convenience, for example sending footage to an editor or sharing a family video that someone will want to keep.

Ways to make 16 MB go further

• Trim first. Every second you remove gives the rest more data. The video trimmer cuts without re-encoding.
• Use 30 frames per second. If the video was recorded at 60, tick the option to limit it.
• Remove the sound if nobody needs it. It saves about 1 MB per minute, which matters at this size.
• Hold the phone steady when you record. Shaky footage needs far more data than a steady shot of the same scene.

The 16 MB figure has been WhatsApp's limit for videos sent as media for many years, and the 2 GB document limit dates from 2022. Both were checked against current guides in October 2026. WhatsApp changes its limits without much announcement, so if your app accepts a larger video, remember that it is compressing it for you on the way.