Facebook video size
Every video posted to Facebook is now shared as a reel, whatever its length or shape. Make it 9:16: the Reels API recommends 1080 × 1920, Story ads 1440 × 2560, and feed ads take 4:5 at 1440 × 1800.
Facebook video size
| What | Figure | Source |
|---|---|---|
| Reels, app | Any length and shape; every video is shared as a reel | App help |
| Reels, API | 9:16 at 1080 × 1920 (at least 540 × 960), 24 to 60 fps, 3 to 90 seconds | API |
| Story ad | 9:16 at 1440 × 2560, 1 second to 3 minutes, up to 4 GB | Ads spec |
| Safe zone, Story ads | 14% at the top, 35% at the bottom, 6% at each side | Ads spec |
| Feed ad | 4:5 at 1440 × 1800, MP4, MOV or GIF, up to 4 GB | Ads spec |
Checked on November 3, 2026 against each platform's own pages. Platforms change these; the source link is the one to trust.
Good to know
- Facebook publishes no size for photos posted to the feed from the app.
Questions
What size should a Facebook reel be?
9:16. Facebook's Reels API recommends 1080 × 1920 and takes nothing smaller than 540 × 960. From the app, any video becomes a reel.
Is there a length limit for Facebook reels?
Not in the app: Facebook says reels have no length or format restrictions. Its Reels API still takes 3 to 90 seconds.