Free: 2 credits for new accounts. Paid credits available for additional generations.
Free: one 1K watermarked image per day. Credit packs: Starter $4.99 for 50 credits, Basic $8.99 for 120 credits, Standard $17.99 for 260 credits. One watermark-free image costs 1 credit with default settings.
Key features
Upload reference image or screenshot
AI-powered thumbnail generation from text descriptions
Genre presets including obby, tycoon, horror, anime, simulator
Multiple visual style customization options
Download in 1K, 2K, or 4K resolution
16:9 aspect ratio default with 1920x1080 resolution
History feature to compare and save generated results
Support for JPG, PNG, or PDF reference uploads
Combine two or more reference images
Multiple AI models available (FLUX, Nano Banana, Seedream, Qwen, GPT Image, Grok, Wan)
Text description guidance for composition
Up to 4K output resolution on supported models
Free daily generation without signup
Watermark-free generation with credits
No editing software required, browser-based
Support for JPEG, PNG and WebP upload formats
Task history and image preview for 7 days
Adjustable output aspect ratio and format
What makes it different
Generate bold Roblox thumbnails without design software or skills
Single 16:9 studio for both Roblox and YouTube thumbnails
Genre and style presets for consistent branding across multiple games
Batch testing of thumbnail variations in History without Photoshop
Free daily generation with no signup required
Multiple advanced AI models in one interface
One-time credit purchases with no expiry
Browser-based with no software installation needed
Roblox Thumbnail Maker
AI Image Combiner