Rotate MP4 files
Upload an MP4 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 MP4 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.
MP4 supports rotation as metadata, so this tool fixes sideways videos by updating the orientation flag while copying the streams bit-for-bit. Full quality, instant results, any length of video.
Re-rendering rotates pixels; this rotates the instruction players read. Same visual result for standards-compliant players, none of the cost.
Yes, the metadata travels inside the file. Only rare legacy players ignore it.
Yes, your video never leaves the browser.