Free Roblox thumbnail maker for posing avatars in 3D and exporting PNGs, no Blender required
A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free: 1 render per week signed out, 5 per week with account, 720p with watermark. Renderbux Pro: $9.99 USD per month or $90 USD per year (saves $29.88), unlimited renders, 1080p/2K/4K without watermark, transparent backgrounds.
Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features
Load real Roblox avatar rigs by username
3D pose manipulation
Studio lighting presets
Skybox backgrounds and shaders
1080p and 4K PNG export
No download required
Transparent background exports
Community pose gallery
Looping GIF and video export
Save up to 30 avatars
Instant copy-to-clipboard as PNG
No accounts or setup required
Local-first storage with auto-save
Screenshot annotation with arrows, boxes, text, and freehand tools
AI diagram generation via Claude, Cursor, Windsurf, and VS Code
Refine diagrams through chat
Paste screenshot from clipboard
Unlimited sketches in one folder
Native macOS performance
All drawing tools included in free version
What makes it different
Uses your real Roblox avatar instead of AI-generated approximations
Runs entirely in browser with no Blender or Roblox Studio required
Renders in seconds without complex node editors
Free forever core features including posing and lighting
No account required to try
Zero-friction design: open, draw, and share in seconds with no setup or accounts
Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
AI integration runs through your own subscription with no proxying of prompts
Renderbux
Chalk