Mermaid Viewer vs Xakto

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 Xakto
Detail	Mermaid Viewer	Xakto
What it does	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports	Inspect and edit any website like a design tool, then hand the changes to your coding agent
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	NZ
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: $0 forever, no card or account required. Pro: $59 a year (about $4.92 a month billed yearly), or monthly subscription available. Lifetime: $149 once, for the first six months or 200 buyers, includes every 1.x version and version 2 at half price. Team: $12 a seat, a month, from three seats, com
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	Inspect CSS, Tailwind, React and HTML Edit the live page like a design tool Check WCAG 2.2 AA and usability heuristics Clone pages to React, Figma, PDF or HTML Extract design system as DESIGN.md and W3C design tokens MCP server for Claude Code, Cursor, Codex and other coding agents Full site scan Annotations and reports Page export to Figma, PDF, HTML, CSS, PNG, JPG
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	Hand changes directly to your coding agent over MCP All work stays on your computer, no server reads your pages Founding price locked for life, no surprise subscription increases Pay once with Lifetime option including version 2 at half price Full refund within 14 days, no questions asked
Community votes	0	0
DR (Domain Rating by Ahrefs)	8 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	23	12
Referring domains (Majestic)	12	1

5 details filled in for both companies.

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