✳ FREE SPEC CHEAT SHEET
Facebook Reels video spec cheat sheet
Facebook shares Reels UI with Instagram - same lower-third action stack - but the audience skews older and browses more on desktop, where the safe zone matters less than on a phone.
- Resolution
- 1080 x 1920px
- Aspect ratio
- 9:16
- Max length
- no single Reel length cap in the unified video publishing flow
- Max file size
- ~4 GB
- Caption limit
- 63,206 characters
- Safe zone
- Covered by the app interface: top 14%, bottom 35%, left 6%, right 6%. Safe zone overlay
Frequently asked
What aspect ratio does Facebook Reels use?
Facebook Reels is built around 9:16. Facebook shares Reels UI with Instagram - same lower-third action stack - but the audience skews older and browses more on desktop, where the safe zone matters less than on a phone.
What's the max video length on Facebook Reels?
no single Reel length cap in the unified video publishing flow. Meta announced removal of the separate Reel length restriction. Older 90-second guidance and publishing APIs may differ; check the composer or API you use. The 90-second trim preset is an editing choice.
What's the caption character limit on Facebook Reels?
Facebook Reels caps captions at 63,206 characters.