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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.
Grateful for any pushback! 🙏
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.
On the analytics side, text2mermaid competes within Productivity and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how text2mermaid performed against the three products that launched closest to it on the same day.
Who hunted text2mermaid?
text2mermaid was hunted by 刁政欣. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of text2mermaid including community comment highlights and product details, visit the product overview.
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! 🙏