Overview
Private, local-first Mermaid diagram editor. Generate, Ask & Fix with local Ollamaāall in one page.
š PrivyMermaid - Private Mermaid Editor with Local AI PrivyMermaid is a local-first Mermaid diagram editor. Generate diagrams from a description, edit in the editor, and use a local LLM (Ollama) to ask, fix, or refactorāyour diagrams and prompts never leave your machine. āØ KEY FEATURES š Mermaid Editor & Live Preview ā¢ Edit Mermaid source in a split-pane layout ā¢ Instant SVG preview with theme support (default, dark, forest, neutral) ā¢ Zoom and validate diagrams ā¢ Export to SVG, PNG, or .mermaid source š¤ Local AI: Generate, Ask & Fix ā¢ Generate: describe what you want in natural language; get Mermaid code (flowchart, sequence, state, etc.) ā¢ Ask: questions about your diagram (Ollama chat with diagram context) ā¢ Fix Diagram: paste broken Mermaid + error message, get corrected code ā¢ Refactor: improve readability while preserving meaning ā¢ Editable prompt templates in Settings ā Promptā¦ š Local-First ā¢ Multiple diagrams stored in chrome.storage.local ā¢ Search, open, delete from the diagram list ā¢ No account, no cloudāeverything stays on your device š Privacy First ā¢ All AI runs locally via Ollamaāno data sent to external servers ā¢ Mermaid bundle included for fully offline diagram rendering ā¢ Optional: use Ollama only when you need Ask/Fix š HOW IT WORKS 1. Install Ollama locally (optionalāfor Generate/Ask/Fix features) 2. Open PrivyMermaid from the extension icon or Command+Shift+M (Ctrl+Shift+M) 3. Generate: describe your diagram ā Generate ā Apply. Or paste/type Mermaid; see live preview 4. If render fails, use Fix tab ā Fix Diagram to get corrected code from local AI 5. Export as SVG, PNG, or .mermaid file š ļø REQUIREMENTS ā¢ Chrome (Manifest V3) ā¢ Ollama (optional): http://localhost:11434 for Ask/Fix. Recommended model: qwen2.5:7b or similar š” USE CASES ā¢ Generate Mermaid diagrams from a short description (flowchart, sequence, state, etc.) ā¢ Quick editing and preview without leaving the browser ā¢ Fix broken Mermaid syntax with local AI ā¢ Refactor diagrams for readability ā¢ Export diagrams for docs or presentations ā¢ Fully offline diagram editing (no CDN) š PRIVACY COMMITMENT ā¢ No telemetry or analytics ā¢ No cloud services required for editing or preview ā¢ AI (Generate/Ask/Fix) runs only on your machine via Ollama ā¢ Your diagrams and prompts never leave your device Perfect for developers and writers who value privacy and want a fast, local Mermaid editor with optional AI help.
Details
- Version0.3.0
- UpdatedFebruary 7, 2026
- Offered byKen Wang
- Size3.04MiB
- LanguagesEnglish
- Developer
Email
kenelite.sg@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
