Rotate MOV files
Upload an MOV file and rotate it. For MP4 and MOV files the rotation is written as metadata, so it is lossless and near-instant; WebM and MKV files are re-encoded.
Rotation
Upload an MOV file and rotate it. For MP4 and MOV files the rotation is written as metadata, so it is lossless and near-instant; WebM and MKV files are re-encoded.
QuickTime files carry orientation metadata, so rotating a MOV here is a lossless flag update with the video stream copied unchanged. The fix takes seconds regardless of clip length or resolution.
The camera sensor has a fixed orientation; phones note how they were held in metadata. When that note is wrong or unsupported, playback comes out rotated.
No, the streams are untouched; only the orientation flag differs.
No, everything runs on your device.