: VRChat thumbnails are naturally 4:3 (1200x900). To get a 16:9 widescreen look, create your image at 1920x1080 but center the important content within a 1200x675 box so nothing is cut off when it scales.

: If you see black bars, your footage and sequence settings likely don't match. Ensure both your sequence and clip properties are set to 1920x1080.

: Professionals use "slow upscales" to make 1080p or 2K content look better on 4K screens, which provides better results than a TV's automatic on-the-fly scaling. 3. Gaming & PC Setup 1920x1080 Resolution: Essential for Engaging Event Visuals

: 1920x1080 is the "Full HD" standard with a 16:9 aspect ratio .

If you are looking to create or adjust content for a resolution, 1. VRChat World Thumbnails