A free, local-first visual editor for designers to craft code in real React codebases
Free browser-based Roblox thumbnail maker with no sign-up, no watermark, no AI generation
Stage
Startup
Startup
Founded
Not given
2026
Based in
US
Not given
Pricing model
Freemium
Not given
Pricing
Free self-hosted version available on GitHub. For Teams: Custom pricing tailored to your team's needs. Contact us or book a demo.
Free: 3 watermark-free exports a day, no account required. Pro: $4.99/month or $29/year (or $49 lifetime) for unlimited exports and batch export of all sizes at once.
Key features
Real-time visual editing of React components
Infinite canvas design interface
Real-time collaboration on code
Works with existing React projects and Storybook
Upload and edit screenshots locally in browser without uploading to server
Add bold headline text with outline and shadow effects
Drag-and-drop sticker overlay system
Export at multiple sizes: 1920×1080, 1280×720, 512×512
8 headline text styles and 38 backdrop presets
Support for PNG, JPG and WEBP file formats
Export as clean PNG with no watermark or branding
Pro plan enables batch export of all sizes in one click
22 free template presets for quick start
What makes it different
Code is the source of truth—no design drift from implementation
Works directly in real codebases with existing design systems
AI-assisted design generation that understands React architecture
Open-source and transparent to the development community
No account or sign-up required—open the page and start immediately
Never uploads your files to a server—all processing happens on your device
Not AI-generated—uses your actual screenshot, not synthesized imagery
Three free watermark-free exports daily on the free plan
Works on any device with a browser—no installation or updates needed
Onlook
ThumbBlitz