Markdown Editor
A free, private Markdown editor: live preview, AI writing with 15+ providers, Mermaid / Graphviz / mind maps, KaTeX math, uploads of Word / PDF / images, export to Word, PDF, HTML, LaTeX, EPUB and MP3 voice, share links, folders, version history and cloud sync — on the web and Android.
- Type
- Free web + Android app
- Android
- Download APK ↓
- Guide
- How to use ↗
what I built
- Live split preview with scroll sync, outline, folders, tabs, version history, password-locked documents and offline PWA.
- AI writing assistant: built-in free model or your own keys for OpenAI, Claude, Gemini, Grok, Groq, DeepSeek, Qwen, NVIDIA Nemotron and more.
- Diagrams (Mermaid, Graphviz, PlantUML, D2, Vega-Lite, mind maps), KaTeX math, GitHub alerts, footnotes and slides.
- Imports Word, PDF, HTML, CSV and notebooks; exports Word (.docx), PDF, HTML, LaTeX, EPUB, PNG/JPG/SVG and narrated MP3.
- Email-OTP accounts with cloud sync across web and Android; short share links and QR codes.
features
- Word-style ribbon (File, Home, Insert, Design, Review, View, AI, Help) with dropdown menus, slash commands and a command palette.
- Upload Markdown, Word, PDF, HTML, CSV, notebooks, images, audio, video and any file; drag & drop and paste from web/Word/Google Docs.
- Export Word (.docx), PDF, print, HTML, Markdown, LaTeX, EPUB, PNG, JPG, SVG, slides, JSON and MP3 voice; copy formatted text.
- AI: 25+ one-click actions and chat; free built-in model or your keys for OpenAI, Claude, Gemini, Grok, Groq, DeepSeek, Qwen, NVIDIA Nemotron, OpenRouter, Mistral, Perplexity and more.
- Folders and sub-folders, tabs, favourites, 30-day trash, version history with diff, password-locked documents, session restore.
- Grammar checking (LanguageTool), speak / export voice, written and audio explainers, voice typing, readability stats.
- Accounts with email + password or email code, cloud sync across web and Android, short share links, QR codes and embeds.
stack
JavaScriptCodeMirrorCloudflare Workers AID1Capacitor