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Mermaid Viewer vs panicslides

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Mermaid Viewer compared with panicslides
DetailMermaid Viewer logo Mermaid Viewer panicslides
What it doesFree online Mermaid diagram viewer and editor with live preview, AI generation, and exports Create fast, fun, weird presentations and publish them as real web links
StageNot given MVP
FoundedNot given Not given
Based inNot given PT
Pricing modelFreemium Freemium
PricingFree: 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 Free: create and publish anonymously, no account required. Pro: €9.99/month or €79/year (also available via Patreon Supporter membership during Early Access).
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
  • Create presentations without account or login required
  • Publish presentations as public web links
  • Embed presentations on your own website
  • Publish under custom @handle (Pro only)
  • Up to 15 slides per deck (Free) or 25 slides (Pro)
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
  • Anonymous publishing without login or credit card
  • Simple two-tier pricing with no hidden plans or upgrades
  • Ownership and control features distinguish Free from Pro
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check13 +1 (up) since last check
Trust Flow (Majestic)32
Citation Flow (Majestic)2319
Referring domains (Majestic)126

5 details filled in for both companies.

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