FormatOwlStart with where the video will play
The safest format depends on the app, browser or device that will receive the file. If you are unsure, start with the format that your audience can open without installing anything.
A smaller file is useful only when it still plays smoothly and keeps the details people need to see.
Use MP4 for the safest default
MP4 with H.264 video is a dependable starting point for presentations and everyday sharing. Check the destination’s accepted formats before choosing WebM or another output. Choose MP3 when you only need the sound.
Convert a short sample first, check the result on the target device, then process the full file.