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Roblox thumbnail & GFX guides

Practical guides for making better Roblox thumbnails, game icons, and GFX — written by the team behind Renderbux.

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  • Reference

    Roblox Thumbnail Size Guide (Every Dimension)

    Every Roblox image dimension in one table: game thumbnails, icons, banners, gamepasses, and YouTube.

    6 min read

  • How-to

    How to Make a Roblox Thumbnail (With Your Real Avatar)

    Step-by-step: pose your actual avatar, light the scene, and export a click-worthy thumbnail in minutes.

    6 min read

  • How-to

    How to Make Roblox GFX Without Blender

    Skip rig imports and node editors. Make clean Roblox GFX renders entirely in your browser.

    5 min read

  • Reference

    Roblox GFX Backgrounds: Free Sources & How to Use Them

    Where to find free GFX backgrounds, which styles work, and how to composite your render.

    5 min read

  • Comparison

    AI Roblox Thumbnails vs Real Avatar Renders: Which to Use?

    Honest comparison of AI thumbnail generators and real-rig 3D renders: speed, accuracy, and when each wins.

    5 min read

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