guides.

How to get a video small enough to send, without it falling apart. Every figure comes from the same planner the converter runs.

• How to compress a video to under 4 MB

  The bitrate maths for fitting any clip under 4 MB, what to cut first, and the exact ffmpeg commands for a two-pass WebM encode.

• WebM vs MP4: which one to use

  What actually differs between WebM and MP4, why the codec matters more than the container for file size, and when to pick each.

• Why compressed video looks blocky, and how to fix it

  Blocky, smeared video means too few bits for too many pixels. How to tell how far short a clip is, and the fixes that actually help.