A quiet place to write. opentype is a local-first journaling app — a blank canvas that opens straight into today's entry, autosaves as you type, and can read your words back to you.
Everything lives in your browser's IndexedDB. There is no account, no server, no sync. Your journal never leaves your device unless you export it — or ask a cloud voice to read it.
- Blank-canvas editor — TipTap-powered free writing with a bubble toolbar for rich text: bold, italic, strikethrough, headings, lists, quotes.
- Autosave — debounced writes to IndexedDB (Dexie) while you type; the title is derived from your first line.
- Read aloud — four interchangeable TTS engines:
- Browser — the Web Speech API voices built into your OS. Offline, free.
- Kokoro — the Kokoro-82M neural voice running fully in-browser via WebGPU/WASM in a worker. The ~80 MB model downloads once, then it's offline. Nothing is sent anywhere.
- OpenAI — the OpenAI TTS API, or any OpenAI-compatible endpoint — point it at a local server (e.g. kokoro-fastapi, LocalAI) to keep speech generation on your machine.
- ElevenLabs — the ElevenLabs API for premium voices.
- Entry library — browse, reopen, and delete past entries.
- Backups — export/import your whole journal as JSON. API keys are never included in exports.
- Appearance — light/dark/system theme, sans/serif/mono fonts, adjustable text size. Settings persist locally.
- Entries, settings, and API keys are stored only in IndexedDB.
- The Browser and Kokoro engines are fully offline.
- The OpenAI/ElevenLabs engines send the text of the entry being read to the configured endpoint — and nothing else. Keys are sent only to that endpoint.
bun install
bun run dev # http://localhost:3000| Command | What it does |
|---|---|
bun run dev |
Dev server on port 3000 |
bun run build |
Production build to dist/ |
bun run preview |
Serve the production build |
bun run test |
Vitest unit tests |
bun run typecheck |
TypeScript, no emit |
bun run check |
Biome lint + format check |
React 19 · TanStack Router (SPA, code-split routes) · TipTap 3 · Dexie 4 · Tailwind CSS 4 · kokoro-js · Vite 8 · Biome · Vitest.