Diagram Preview Tools - Mermaid, PlantUML, Markdown, Grap… vs Waffy

A detailed side-by-side comparison of Diagram Preview Tools - Mermaid, PlantUML, Markdown, Grap… and Waffy. See how they stack up in pricing, features, and user ratings.

FeatureDiagram Preview Tools - Mermaid, PlantUML, Markdown, Grap…Waffy
CategoryProductivityProductivity
PricingFreemiumPaid
DescriptionPreview and convert Mermaid, PlantUML, Markdown, Graphviz, D2, draw.io, mind maps, JSON, YAML and developer diagrams online.Waffy is a free, open-source browser extension that supercharges your browser with AI. Chat with any page, summarize content and automate web tasks. Use OpenAI, Anthropic, Google and more models with your own API keys. No subscriptions or accounts required.
Tags
PreviewDiagram PreviewMermaid PreviewGraphviz Online
Bring Your Own KeyBrowser AutomationWeb AutomationOpen Source Ai
Websitediagrampreview.comwaffy.io
User RatingNo reviews yetNo reviews yet
Community Votes▲ 0▲ 0
Page Views1 views1 views
AddedJun 26, 2026Jul 14, 2026
Diagram Preview Tools - Mermaid, PlantUML, Markdown, Grap…
Diagram Preview Tools - Mermaid, PlantUML, Markdown, Grap…
Waffy
Waffy

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