Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Free Perler bead pattern maker that converts photos into editable bead patterns
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: unlimited editor and preview, 3 saved diagrams, 5 AI uses total, PNG export 1× with watermark. Starter: $6.99/month or $69.90/year; 30 saved diagrams, 500 AI conversations per month, PNG export up to 4× without watermark. Pro: $11.99/month or $119.90/year; unlimited diagrams, unlimited AI, PNG
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Key features
Live preview of Mermaid code as you type
AI diagram generator, editor and syntax fixer
PNG export on every plan; JPG, SVG and PDF on Pro
All 22+ Mermaid diagram types supported
Share diagrams via public links and embeds
Save diagrams to cloud with folders and version history
Keyboard shortcuts and autocomplete
Mobile-responsive editor with pan and pinch-zoom
Upload photos and illustrations in JPEG, PNG, WebP, AVIF, and HEIC formats
Support for multiple bead brands including Perler, Hama, MARD, Artkal, and Nabbi
Crop and select specific parts of images
Merge rare colors and clean isolated cells
Local draft auto-save with one recoverable draft per device
Export complete PNG with grid, color legend, and bead quantities
Optional color codes in exported patterns
Manual editing tools and undo functionality
No account required for core functionality
Mobile-friendly workspace
What makes it different
No account or sign-up required to start editing diagrams
Affordable pricing: Starter at $6.99/month, Pro at $11.99/month
Diagrams render in your browser; nothing stored unless you choose to save
Fast editor with instant rendering and clear error messages
Maps images to actual bead palettes rather than just reducing resolution
Automatic bead counting and material quantification
Uses real bead color references from manufacturers
All image processing happens locally in the browser with no upload
Practical pattern creation with editing tools for buildability
Mermaid Viewer
ImageToBeads