✳ ASPECT × PLATFORM
Reframe 21:9 for X (Twitter)
21:9 is wider than 16:9; expect a centre crop to fit X (Twitter)'s shape. Recommended export dimensions: 1920×1080.
21:9 is wider than 16:9; expect a centre crop to fit X (Twitter)'s shape.
Source: Koldflux Media Lab. Verified 2026-09-18.
Source 1920×1080 already matches 16:9.
source frame
Frequently asked
Can a 21:9 video fit X (Twitter)?
21:9 is wider than 16:9; expect a centre crop to fit X (Twitter)'s shape. The platform's documented preferred shape is 16:9 (1920×1080).
Will my footage be stretched?
No. Koldflux scales the source to cover the target frame and trims the excess from the centre, so proportions are preserved.
What about burned-in captions or overlays?
Keep text and faces inside the platform safe-zone band. The preview above shows the documented overlay area for this platform.
Koldflux reframes one source recording into every ratio you publish in, automatically.
Automate this in Koldflux