Stamp Maker vs Mermaid Viewer

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

Stamp Maker compared with Mermaid Viewer
Detail	Stamp Maker	Mermaid Viewer
What it does	Create, repair, extract, and apply digital stamps in minutes	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free core features; paid plans available with annual discount of 50% on select plans	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
Key features	Digital stamp generation from templates or blank canvas Repair and cleanup of blurry legacy stamp images Extract transparent stamps from scans and screenshots Layer editing with text and style controls Apply stamps to PDF contracts and documents Export in multiple formats including PNG and SVG Save and reuse stamp templates Color, opacity, and aged effects adjustments No registration required for basic features AI-assisted repair and extraction tools	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
What makes it different	All-in-one workflow combining creation, repair, extraction, and application in one browser tool No Photoshop or design skills needed—browser-based with instant preview Built to handle real-world delivery scenarios across PDFs, contracts, invoices, and e-commerce Repair workflow for legacy stamps instead of forcing a complete rebuild Transparent-background exports ready for immediate reuse	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	2	3
Citation Flow (Majestic)	21	23
Referring domains (Majestic)	20	12

5 details filled in for both companies.

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