Platform Video Specs

A quick guide to common social video requirements. Postly's Video Validator applies these automatically at publish time.

Instagram (Reels/Stories)

  • Aspect/Res: 9:16, 1080×1920
  • Frame Rate: 24–60
  • Codecs: H.264 + AAC

YouTube (Shorts)

  • Aspect/Res: 9:16, 1080×1920
  • Frame Rate: 24–60
  • Codecs: H.264 + AAC

YouTube (Standard)

  • Aspect/Res: 16:9, up to 4K
  • Frame Rate: 24–60
  • Codecs: H.264/H.265 + AAC

TikTok

  • Aspect/Res: 9:16, 1080×1920
  • Frame Rate: 24–60
  • Codecs: H.264 + AAC

LinkedIn

  • Aspect/Res: 1:1 / 16:9
  • Frame Rate: 24–60
  • Codecs: H.264 + AAC

Facebook

  • Aspect/Res: 1:1 / 4:5 / 16:9
  • Frame Rate: 24–60
  • Codecs: H.264 + AAC

Need optimization? Try Compress videos or Convert to MP4.