Kroki

Unified HTTP API that renders Mermaid, PlantUML, Graphviz, D2, BPMN and many other text diagram formats to SVG or PNG.

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Information is summarised in our own words and may be out of date; check the vendor's site for current terms and prices. Not affiliated with Kroki. Suggest a correction.

Category	Diagrams & Whiteboards
Authentication	No auth
Pricing	Free
Website	https://kroki.io/
Docs	https://docs.kroki.io/
Last checked	2026-10-14
As JSON	/api/v1/directory/kroki.json