Platform specs
Caption Length Limits for Reels and Spotlight (2026)
Instagram Reels captions max out at 2,200 characters, Snapchat Spotlight descriptions at 160 by API, and Instagram's help centre now allows 5 hashtags.
16 October 2026 · 4 min read
Platform specsFacebook Reels Specs: Size, Length and Limits (2026)
Facebook Reels via the API must be 3 to 90 seconds, 9:16, at least 540x960, and a Page can publish 30 Reels by API in any rolling 24 hour window.
16 October 2026 · 4 min read
Platform specsIdeal Reel Length by Platform: What Works (2026)
For one video on Instagram, Facebook and Snapchat, aim for 30 to 60 seconds. Socialinsider found 45 to 60 second Reels had the top engagement rate, 0.35%.
16 October 2026 · 4 min read
Platform specsInstagram Reels Length Limits: App vs API (2026)
Instagram Reels can run up to 20 minutes in the app, but Reels over 3 minutes are not recommended to new audiences. API uploads stop at 15 minutes.
16 October 2026 · 5 min read
Platform specsSafe Zones for Reels Text: Keep Captions Visible (2026)
Meta advises keeping the top 14%, bottom 35% and 6% of each side of a Reel free of text. Snapchat says keep the top 150px and bottom 330px clear.
16 October 2026 · 4 min read
Platform specsSnapchat Spotlight Requirements and Specs (2026)
Snapchat Spotlight needs vertical video with sound. By API it must be an MP4 of 6 to 60 seconds at 540x960 or more, and every Spotlight is reviewed first.
16 October 2026 · 4 min read
Platform specsSnapchat Stories for Business: How They Work (2026)
A Snapchat Public Story stays up for 24 hours, and the web uploader takes MP4 video of 5 to 60 seconds at 540x960 or larger, with optional scheduling.
16 October 2026 · 4 min read
Platform specsVideo Specs for Reels and Spotlight Compared (2026)
One 1080x1920 MP4, H.264, AAC audio at 48kHz, 30fps and 6 to 60 seconds passes the API rules for Instagram Reels, Facebook Reels and Snapchat Spotlight.
16 October 2026 · 4 min read