The formats your repo already has, as diagrams, and back. Every conversion runs in your browser; nothing is uploaded.
Paste Mermaid flowchart syntax and get a draw.io XML file, ready to open in diagrams.net. Runs entirely in your browser.
draw.io to MermaidPaste draw.io XML (compressed or plain, first page) and get Mermaid flowchart syntax back. Runs entirely in your browser.
SQL to ER diagramPaste CREATE TABLE statements and get an entity-relationship diagram, with every table and foreign key. Runs entirely in your browser.
docker-compose to diagramPaste a docker-compose.yml and get the services it defines, connected by their dependencies. Runs entirely in your browser.
OpenAPI to diagramPaste an OpenAPI document and get a diagram of its endpoints and schemas. Runs entirely in your browser.
A diagram your coding agent can read is worth two it has to guess at. Convert what you have, then hand it over: the diagram stays in your repo as .flow text that diffs cleanly and that an agent can edit back.