✳ FACEBOOK REELS HUB
Facebook Reels tools
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.
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.
- 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
Koldflux turns one recording into a fully-cropped, captioned, Facebook Reels-ready post automatically - these tools exist because we built them for our own pipeline first.
Automate this in Koldflux