Convert Videos to MP4
Ensure compatibility with platform-preferred formats and codecs. Postly converts MOV/WEBM/AVI to MP4 (H.264 + AAC) automatically on publish.
Codec sanity
H.264/H.265, AAC/Opus handled; bad combos are auto-corrected.
Aspect & frame rate
Normalize to 9:16/1:1/16:9 and 24/25/30/60 fps as needed.
Audio fixes
Channels, sample rate, and loudness normalized for fewer upload errors.
Preview outputs
Per-platform previews show exactly what will be posted.
Need specs? Check Platform video specs or Compress videos.