Mermaid Viewer vs PrintResize

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 PrintResize
Detail	Mermaid Viewer	PrintResize
What it does	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports	Turn any image into a print file at the exact size you need
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
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: DPI checks, converters, pattern checker. Starter: $9.90 once for 60 credits. Standard: $19.90 once for 150 credits. Max: $39.90 once for 350 credits. AI Upscale costs 1 credit at any size. Print Resize starts at 1 credit or typically 9 credits. Credits never expire.
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	Exact size print files in centimeters Image rebuild for new shapes and sizes Seamless pattern repair and joining Tablecloth and placemat mockup generation Scene swap for textile products Pattern extraction from product photos Pixels to inches and centimeters converters Commercial use rights included
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	Free tools for all DPI and size calculations, no account needed One-time credits that never expire, no subscription Exact cost shown before every run with automatic refunds for failures Private library storage with images deleted on user request Built specifically for fabric, textile, and print-on-demand creators
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	3	3
Citation Flow (Majestic)	23	19
Referring domains (Majestic)	12	6

5 details filled in for both companies.

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