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Mermaid Viewer vs priv QR

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 priv QR
DetailMermaid Viewer logo Mermaid Viewerpriv QR logo priv QR
What it doesFree online Mermaid diagram viewer and editor with live preview, AI generation, and exports Free browser-based QR tools for 3D printing, Matter setup codes, and batch generation
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
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 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
  • QR Code to STL generator for 3D printing
  • Matter setup QR generation and decoding
  • Private QR code generator without redirect links
  • Barcode to STL converter for Code 128, EAN-13, and UPC-A
  • Crypto payment QR generator for Bitcoin, Ethereum, and Lightning
  • Browser-side QR payload generation
  • STL, SVG, and PNG export formats
  • Physical scanability guidance and print profiles
  • No account or login required
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
  • All QR generation occurs in the browser with no server-side processing or data collection
  • Specialized tools for physical QR code outputs like 3D prints and Matter device setup
  • Practical print profiles and scanability guidance for different real-world use cases
  • No redirect service inserted into static QR codes
  • Built-in validation checks and task-specific guidance for printing and device setup
Community votes00
DR (Domain Rating by Ahrefs)6 +1 (up) since last check2 +1 (up) since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)2316
Referring domains (Majestic)124

4 details filled in for both companies.

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