EditStamp 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.

EditStamp compared with Mermaid Viewer
Detail	EditStamp	Mermaid Viewer
What it does	Free online stamp maker to design custom stamps in your browser with no design skills needed	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 with PNG downloads. Pay-per-export from $2.2 for one format or $2.8 for all formats as ZIP. Professional plan $9.9/month for unlimited designs and 30-day downloads. Premium plan $89/year for unlimited designs and 365-day downloads.	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	Browser-based design with no installation required Pre-made stamp templates to choose from Export in multiple formats: PNG, EPS, SVG, PDF Customize fonts, colors, and stamp body Upload photos and images to create stamps Preview stamp design before export Aging effects and transparency controls Place visual stamps on PDF, Word and photos Cloud storage and file archiving High-resolution transparent background downloads	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	Works entirely in browser with no design experience needed Free watermark-free PNG downloads included Multiple export formats in one design Commercial use rights included in Pro plans Fast stamp creation in minutes	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)	28 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	19	3
Citation Flow (Majestic)	20	23
Referring domains (Majestic)	95	12

5 details filled in for both companies.

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