Renderbux 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.

Renderbux compared with Mermaid Viewer
Detail	Renderbux	Mermaid Viewer
What it does	Free Roblox thumbnail maker for posing avatars in 3D and exporting PNGs, no Blender required	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: 1 render per week signed out, 5 per week with account, 720p with watermark. Renderbux Pro: $9.99 USD per month or $90 USD per year (saves $29.88), unlimited renders, 1080p/2K/4K without watermark, transparent backgrounds.	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	Load real Roblox avatar rigs by username 3D pose manipulation Studio lighting presets Skybox backgrounds and shaders 1080p and 4K PNG export No download required Transparent background exports Community pose gallery Looping GIF and video export Save up to 30 avatars	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	Uses your real Roblox avatar instead of AI-generated approximations Runs entirely in browser with no Blender or Roblox Studio required Renders in seconds without complex node editors Free forever core features including posing and lighting No account required to try	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)	Not checked yet no change since last check	6 +1 (up) since last check
Trust Flow (Majestic)	9	3
Citation Flow (Majestic)	23	23
Referring domains (Majestic)	55	12

5 details filled in for both companies.

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