Art Grid 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.

Art Grid Maker compared with Mermaid Viewer
Detail	Art Grid Maker	Mermaid Viewer
What it does	Free browser-based grid drawing and scaling tools for artists	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Startup	Not given
Founded	2025	Not given
Based in	GB	Not given
Pricing model	Freemium	Freemium
Pricing	Free tier includes core grid overlay, standard resolution PNG/JPG download, and up to 3 saved presets. Pro Monthly: $8/month (billed $79 annually at $6.58/month with 14-day free trial). Pro Lifetime: $139 one-time payment.	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	Grid overlay with customizable rows and columns Printable grid paper generator Aspect ratio calculator Proportion calculator for scaling drawings Canvas size calculator Instagram grid splitter Paint by number generator (Pro) Perspective grid generator (Pro) 4K ultra-high resolution export (Pro) Print-ready PDF export (Pro)	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	Focused single-task tools instead of one broad editor Works directly in browser with no software installation Free core tools remain fully functional without payment	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)	18 no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	9	3
Citation Flow (Majestic)	30	23
Referring domains (Majestic)	24	12

5 details filled in for both companies.

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