Mermaid Viewer vs Paintit.ai

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 Paintit.ai
Detail	Mermaid Viewer	Paintit.ai
What it does	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports	AI interior design tool to redesign rooms, test paint colors and materials, and stage listings
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	GB
Pricing model	Freemium	Freemium
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	Free: 30 credits at 1K resolution, no credit card required. Starter: $14.99 monthly with 500 credits and 2K resolution. Pro: $29.99 monthly with 1,500 credits, 4K upscale, watermark-free exports, and commercial usage licence. Max: $79.99 monthly with 4,500 credits, prioritised generation, discounted
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	360° views from AI-generated designs Real paint colors from Behr, Benjamin Moore, Dulux, Nippon Paint and Sherwin-Williams Shop similar real furniture from Amazon, IKEA, Jysk, Ashley Pinterest board import API for Business Integration Design generation in 1–2 minutes Targeted editing tools to modify specific room elements
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	Structural accuracy keeping windows and walls well-positioned while providing real furniture recommendations you can purchase Integrated workflow from AI project to professional 4K exports with editing tools for depth and practical renovation planning Chat-first workflow allowing iteration with small edits without restarting from scratch Designs are instantly shoppable with direct links to real products and retailers Results generated in minutes without requiring design experience or complex software
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	41 −1 (down) since last check
Trust Flow (Majestic)	3	10
Citation Flow (Majestic)	23	31
Referring domains (Majestic)	12	571

5 details filled in for both companies.

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