Table of Contents
TL;DR
Roblox thumbnails should be 1920×1080 pixels (16:9 aspect ratio) in PNG or JPEG format, with a 50MB maximum file size for optimal display across all platforms.
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Standard Roblox Thumbnail Dimensions
Roblox thumbnails use a 16:9 aspect ratio with the recommended size being 1920×1080 pixels. This resolution ensures your thumbnail looks crisp across all devices and platforms where Roblox is displayed.
Supported Thumbnail Sizes
While 1920×1080 is the gold standard, Roblox accepts several other dimensions that maintain the 16:9 ratio:
- 1920×1080 – Full HD (recommended)
- 1280×720 – HD quality
- 768×432 – Standard quality
- 576×324 – Basic quality
File Requirements and Best Practices
Your thumbnail image must be in PNG or JPEG format with a maximum file size of 50MB. However, keeping files under 10MB ensures faster loading times. The image should be bright, eye-catching, and clearly represent your game’s content since it’s often the first thing potential players see.
Display Variations Across Platforms
Roblox automatically scales your thumbnail for different contexts. On the main games page, thumbnails appear smaller, while on individual game pages they display larger. Mobile devices show thumbnails at various sizes depending on screen resolution, which is why starting with the highest quality 1920×1080 ensures optimal appearance everywhere.
Common Thumbnail Mistakes to Avoid
Many developers upload images that don’t match the 16:9 ratio, resulting in black bars or cropped content. Text should be large enough to read at smaller sizes, and avoid cluttering the image with too many elements. Remember that thumbnails need to grab attention quickly in a crowded marketplace.
Creating compelling thumbnails is just one part of building successful Roblox experiences that players will love.
Who this is for: Roblox game developers and creators looking to optimize their game thumbnails for maximum visibility and appeal.
