Choose the canvas in the brand menu → Canvas:
- Single screen — 2560×1440 (default), 1920×1080, 4K, and two ultrawide sizes
- Triple screen — sizes from 5760×1080 up to 11520×2160
- Custom — anything up to 15360×4320
Match your OBS browser source to the canvas you pick.
Each channel has its own asset library:
- Images up to 12 MB (PNG, JPG, SVG, WebP, GIF)
- Video up to 500 MB (WebM, MP4, MOV) — transparent WebM works, which is how flag wipes and stingers are done
- Audio up to 25 MB (MP3, OGG, M4A, WAV)
