Need MOV to MP4 specifically?

Use the MOV to MP4 tool when you want remux versus transcode explained for that conversion.

Convert video

Convert MOV, MP4, WebM, and other readable videos to MP4 or WebM on your device.

Files stay on your device

Drop a video to convert

Save as MP4 or WebM. Compatible tracks are copied; the rest are re-encoded.

MP4, MOV, WebM, and other readable video files

Supported inputs: MOV, MP4, WebM, and other readable video files.
What happens: Compatible tracks are copied when possible; others are re-encoded to the selected format. MP4 uses H.264/AAC. WebM uses VP9/Opus.
Limits: Output support depends on your browser. Not every codec can be encoded or decoded everywhere.