Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Convert, compress, and edit media on your Mac, offline
Stage
Not given
Established
Founded
Not given
Not given
Based in
Not given
US
Pricing model
Freemium
Paid
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
Not given
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
Batch convert images, video, audio and PDFs
Adjustable-quality compression for all file types
Offline processing with no uploads
Over 100 formats supported
PDF tools: combine, split, reorder pages
Video editing: combine clips, crop, watermark, burn-in subtitles
Mermaid Viewer
Picmal