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text2mermaid
Turn plain-text descriptions into Mermaid diagrams with AI
Free AI-powered Mermaid diagram generator. Describe your flow, database schema, or API in plain English — AI writes the Mermaid syntax, you get an editable diagram to export as SVG or PNG. No signup, no watermark.
Built this because I write a lot of design docs and always default to Mermaid — it's git-friendly and renders inline in GitHub/Notion/Obsidian. But every time I sit down to write one I lose a few minutes searching for the syntax. Seven diagram types, seven grammars.
So text2mermaid is exactly that: a text box that calls an LLM to write the Mermaid, with a live preview so you can see it work (or break) before pasting into your doc.
What I'd love feedback on:
Which diagram type do you use most? Right now I've tuned prompts for all seven, but flowchart and sequence get the most love — curious if class/state/ERD generation feels weaker to you.
How's the AI accuracy? The model occasionally produces valid-looking Mermaid that mermaid.js refuses to render. I show the error and let you edit the code, but I'm working on auto-retry with the error fed back into the prompt.
What's missing? Share links, dark mode for preview, VSCode plugin — all on the list, but I'd love to know what's #1 for you.
Free to use, no signup. The generated Mermaid code is yours — copy it out, drop it in git, done. No lock-in.
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About text2mermaid on Product Hunt
“Turn plain-text descriptions into Mermaid diagrams with AI”
text2mermaid was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #44 on the daily leaderboard. Free AI-powered Mermaid diagram generator. Describe your flow, database schema, or API in plain English — AI writes the Mermaid syntax, you get an editable diagram to export as SVG or PNG. No signup, no watermark.
text2mermaid was featured in Productivity (656.6k followers) and Developer Tools (516.2k followers) on Product Hunt. Together, these topics include over 224.2k products, making this a competitive space to launch in.
Who hunted text2mermaid?
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刁政欣
Hey everyone 👋
Built this because I write a lot of design docs and always default to Mermaid — it's git-friendly and renders inline in GitHub/Notion/Obsidian. But every time I sit down to write one I lose a few minutes searching for the syntax. Seven diagram types, seven grammars.
So text2mermaid is exactly that: a text box that calls an LLM to write the Mermaid, with a live preview so you can see it work (or break) before pasting into your doc.
What I'd love feedback on:
Which diagram type do you use most? Right now I've tuned prompts for all seven, but flowchart and sequence get the most love — curious if class/state/ERD generation feels weaker to you.
How's the AI accuracy? The model occasionally produces valid-looking Mermaid that mermaid.js refuses to render. I show the error and let you edit the code, but I'm working on auto-retry with the error fed back into the prompt.
What's missing? Share links, dark mode for preview, VSCode plugin — all on the list, but I'd love to know what's #1 for you.
Free to use, no signup. The generated Mermaid code is yours — copy it out, drop it in git, done. No lock-in.
Grateful for any pushback! 🙏