Mermaid Viewer vs MyPaperKit

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 MyPaperKit
Detail	Mermaid Viewer	MyPaperKit
What it does	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports	Create. Customize. Print.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
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	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	Grid paper with square or rectangular cells Graph paper with optional axes Isometric grid paper for 3D sketching Lined paper with custom spacing Dot grid for bullet journals Cornell notes layout Coordinate plane with labeled axes Engineering paper and staff paper layouts PDF and SVG export formats Real page dimensions and custom measurements
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	No account required to use Paper design stays on your device Preview before downloading All processing happens in your browser
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	23	0
Referring domains (Majestic)	12	0

4 details filled in for both companies.

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