Rivals-style
Roblox Rivals thumbnail maker
two avatars dueling in a bright arena
Roblox Thumbnail Maker
Roblox game assetsfromaprompt.
Turn a prompt or reference image into a Roblox thumbnail, then make icons, UI, textures and more in one workspace.
Game Thumb · Instant16:9 · 1920 × 1080
Prints00Ready
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Prints land here
Write on the label, then press the shutter for an example print. Drag the prints around, or toss one off the table.
Prints are ready-made examples and use no credits. Your real one is made only after you press “Make my thumbnail”.
Free to sign up, no card needed. 2 free credits a month, one account per person.
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One workspace
More Tools. One workspace.
Start with the Roblox thumbnail creator, then make the UI, textures, clothing, icons, GFX and sounds inside your game in the same workspace.
Roblox Thumbnail Maker
Make 16:9 art from a prompt or reference image. Resize the result to 1920 × 1080 for your Roblox thumbnail.
Roblox UI Maker
Shop, HUD, inventory and reward screens you can edit, then export to Roblox Studio as real GUI objects.
Roblox Texture Generator
Seamless 512 × 512 surfaces for parts, floors and walls.
Roblox Clothing Maker
Shirt and pants designs on the classic clothing template.
Roblox Icon Maker
Square game icons and badges that read at 150 × 150.
Roblox GFX Maker
Cinematic renders of your character, no Blender scene needed.
Roblox SFX Generator
Coin chimes, jumps and clicks from a short description.
By game genre
A Roblox thumbnail maker for every genre
Pick a prompt, then add your own map and characters.
Who it's for
Built for Roblox creators
Start with the Roblox thumbnail maker, or pick the tool for your next task.
Solo Roblox developers
No designer?
Turn a screenshot into update art.
Small studios
New update?
Compare several thumbnail directions.
Teams running ads
Testing campaigns?
Create matching thumbnails and icons.
Group owners and GFX artists
Need character art?
Reference your avatar in a scene.
Clothing creators
Refreshing your store?
Draft shirts and pants.
UI builders
Planning a shop?
Mock up screens before building.
Use cases
Plan your thumbnail, genre by genre.
Pick a Roblox thumbnail maker layout with a clear pose, setting and light.
01Obby
Sell the jump.
- Pose
- Mid-leap
- Props
- Lava platforms
- Color
- Saturated
- Light
- Daylight
02Tycoon
Show the empire you built.
- Pose
- Arms wide
- Props
- Coins and empire
- Color
- Gold and green
- Light
- Golden glow
03Simulator
Sell the progress.
- Pose
- Holding a pet
- Props
- Starter and upgrade
- Color
- Rarity colors
- Light
- Rim light
04Roleplay
Tell one story moment.
- Pose
- Big reaction
- Props
- Town setting
- Color
- Friendly pastels
- Light
- Afternoon
05Horror
Stop the scroll with dread.
- Pose
- Looking back
- Props
- Dark corridor
- Color
- Muted with red
- Light
- Single light
06PvP & shooters
Show the face-off.
- Pose
- Face-off
- Props
- Blasters and arena
- Color
- Red versus blue
- Light
- Neon rim light
Get the click
What makes a Roblox thumbnail get clicks
Six checks to run on every Roblox thumbnail maker result before it goes live.
Keep clear: player count area
Phone size- 01
One clear subject
One big, centered avatar beats a crowd.
- 02
High contrast
Bright subject on a darker background.
- 03
Show the real game
Promise only what the game delivers.
- 04
Check it at phone size
Still readable on a small card.
- 05
Keep the bottom edge clear
The player count can cover it.
- 06
Upload two to five versions
Roblox rotates them: +8.5% play-through.
Specs
Roblox thumbnail size and upload rules
Use 16:9 for your game page.
Game thumbnail
1920 × 1080 px
- Shape
- 16:9
- Limits
- Home personalization: under 3 MB · 2–5 active · .jpg .png .gif .tga .bmp
Game icon
At least 512 × 512 px
- Shape
- Square 1:1
- Limits
- Shown as small as 150 × 150 px
Upload targets, not guaranteed model output dimensions. Checked October 19, 2026. Sources: Roblox thumbnail rules · Roblox icon rules · YouTube thumbnail rules.
More Roblox image sizes
Badge icon
512 × 512 px
Circular crop.
Pass icon
Up to 512 × 512 px
.jpg, .png or .bmp.
Shirt & pants template
585 × 559 px
Classic template; PNG or JPG.
Group icon
Square 1:1
No fixed published size.
YouTube video thumbnail
3840 × 2160 px
16:9, JPG or PNG.
Three steps
How to make a Roblox thumbnail in 3 steps
Go from your idea to an experience-page image with the Roblox thumbnail maker.
- 1
Describe or upload
Describe your avatar, action and setting, or upload a Studio screenshot.
- 2
Choose style and quality
Keep 16:9 and generate versions to compare.
- 3
Resize and upload
Resize to 1920 × 1080, under 3 MB. Upload in Creator Dashboard.
FAQ
Roblox thumbnail maker FAQ
Game Thumb is an AI Roblox thumbnail maker and game asset creator. Start from a prompt or a reference image to make 16:9 thumbnails, then make icons, UI, textures, clothing, GFX and sound effects in the same workspace.
A free account gets 2 free credits every month, no card required. They work on the example prompts in the workspace and show an example made with Game Thumb, not on your own prompts. Your own prompts need a plan or a credit pack.
Yes, in your browser. Nothing to install.
Describe the scene, optionally add a reference, choose a model and generate. Failed runs return their credits.
Use 16:9, ideally 1920 × 1080 pixels, under 3 MB. Game icons are square, at least 512 × 512.
Describe the pose and lighting in one line, or upload a Studio render on the GFX tab. No rig to import, no set to build, no render to wait for.
It can. Reference your own Studio screenshot and check the result against your actual characters, map and gameplay.
Compare at phone size. Keep the clearest subject, then test two to five versions through Roblox’s thumbnail personalization.
Yes, subject to our Terms and Roblox’s Community Standards.
Start with a thumbnail.
Make every game asset.
A free Roblox thumbnail creator: turn a prompt or reference image into a thumbnail, then make icons, UI and textures in the same workspace.
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