Roblox thumbnails, game icons, textures, SFX, clothing, game UI, models that win the click.
Describe your game in one line. Get thumbnails, icons and renders in the exact sizes Roblox uses.
Built with Thumblox
Real thumbnails built with Thumblox, the most liked first, by the team and by creators who shared theirs. Click one to see it big.
Watch a build come together.
Type an idea, press Build, pick the best one and see it in your game. Every tool plays itself, then it's your turn. Real builds from The Stack, by our team and creators.
Thumbnail1920×1080Your turn · press Build for another idea · click a build to see it in place
Check it at the size players see it
In the feed your thumbnail is a small tile. Preview it at 300px and 150px, on light and dark, then squint.
Create a thumbnail like the re…
300px
Create a thumbnail like the re…
150px
Create a thumbnail like the re…
300px
Create a thumbnail like the re…
150px
300px
Start with 2 free blox a month
Plans from $9.99 a month when your next update needs more builds.
Free
To try it out
$0forever
2 blox a month
2 thumbnails
- Thumbnail maker
- 1920×1080 thumbnails
- Every thumbnail style
- No rollover
- One account per person
Creator
For your first game
$9.99a month
40 blox a month
40 thumbnails or 20 in 2K
- Everything in Free
- Game icon maker
- 2K thumbnails
- Reference images and your avatar
- Boost for your prompts
Pro
Most popularFor your game's next update
$19.99a month
120 blox a month
120 thumbnails or 60 in 2K
- Everything in Creator
- Item icon and Texture makers
- Edit a result with words
- 3 thumbnail variations to test
Studio
For studios and every tool
$69.99a month
500 blox a month
500 thumbnails or 166 in 4K
- Everything in Pro
- Clothing, UI maker and SFX
- 4K thumbnails
- All 7 tools and every setting
1 blox = 1 thumbnail
Blox (credits) are what you build with. A 1920×1080 thumbnail, a game icon or an item is 1 blox, 2K is 2 and 4K is 3. Your plan tops them up every month.
Good to know before you build
Ask on DiscordThey're what you spend when you build. Always lowercase blox, the same word for 1 or 100.
- Draft1 blox
- Final3 blox
- Game icon1 blox
- Item icon1 blox
- Texture1 blox
- Clothing template2 blox
- Sound, 2 variations1 blox
- UI with Studio file2 blox
- Edit1 blox
Boost is free, up to 30 a day.
The free plan gives you 2 blox every month. Unused ones don't roll over. One-time packs never expire, so they're handy for a big update.
Your blox come back automatically. The counter ticks back up and a note tells you they're back, so you never have to ask.
- Thumbnail final1920×1080
- Thumbnail draft1920×1080
- 2K preset2560×1440
- 4K preset3840×2160
- YouTube preset1280×720
- Game icon512×512
- Item icon512×512
- Texture1024×1024
- Clothing template585×559
Images download as PNG or JPG, already at the exact size. Sounds download as MP3.
Yes. Type your Roblox username and your avatar comes in as a reference for the build.
Only you, unless you share a build. Builds and uploads are private. Share a picture on The Stack (or turn on Share my builds in Account) and anyone can see it. The Stack shows our team's designs and builds creators shared, each labeled.
Yes. Every export carries metadata that labels it as AI-generated, so it's clear how it was made.
13 or older to sign up. Paid plans need you to be 18+ or to have a parent's permission. The Terms have the details.
Sign-up is 13+ only, and every prompt is checked before any blox are spent. A blocked prompt costs you nothing. Your builds stay private, and if you spot something that breaks the rules, email us and we act on it.
No. Thumblox is an independent tool and is not affiliated with or endorsed by Roblox Corporation.
Show your builds on Discord
Post what you made, get a second opinion on a thumbnail before your update ships, and hear about new tools when they land.
Join the Discord