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Otoha TTS

by Otoha
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Description

Read the current note aloud — device voice, or high-quality neural voices via the free Otoha app — with sentence highlighting and smooth follow-scrolling. - This plugin has not been manually reviewed by Obsidian staff.

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Latest Version

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Changelog

See all version on GitHub

README file from

Github

Otoha TTS

Read the current note aloud in Obsidian, highlighting each sentence in place and smooth-scrolling to follow the spoken line.

Works standalone with your device's built-in speech (no setup, no server, works offline and on mobile). For higher-quality neural voices, install the free Otoha app — a menu-bar app that bundles and runs everything locally (no cloud, no accounts).

Features

  • Read the whole note, the current selection, or from the cursor.
  • In-place sentence highlighting that follows along as it reads.
  • Smooth "teleprompter" auto-scroll that keeps the spoken line in view.
  • Click any sentence while reading to jump there; play / pause / stop.
  • Two engines: Device (built-in OS speech, default, offline) or Otoha (high-quality neural voices via the free Otoha app — all local).

Install

From the community plugins browser (once listed): Settings → Community plugins → Browse → search "Otoha TTS" → Install → Enable.

Manually: download main.js, manifest.json, and styles.css from the latest release into <vault>/.obsidian/plugins/otoha-tts/, then enable the plugin.

Engines

  • Device (default): uses the OS built-in speech synthesis. Nothing to install, works offline and on mobile.
  • Otoha (neural voices): install the free Otoha app (download). It runs a local Kokoro server on your machine and the plugin talks to it at http://127.0.0.1:8765 — all local, no cloud. Then pick the Kokoro engine in the plugin settings. (Advanced: you can run your own Kokoro server on that port instead of the app.)

Network use (full disclosure)

This plugin only ever talks to localhost — it makes no external/internet requests:

  • Kokoro engine: HTTP requests to http://127.0.0.1:8765 (only when you choose the Kokoro engine) to synthesize audio.
  • Companion app integration (desktop only): to let the optional Otoha menu-bar app mirror and control playback, the plugin opens a small loopback HTTP listener on 127.0.0.1:8767 and posts playback state to 127.0.0.1:8766. These bind to localhost only and are best-effort (skipped if the port is busy or unavailable, e.g. on mobile).

No telemetry, no analytics, no remote code.

Development

Plain JS, no build step. Pure logic (sentence parsing, text matching, scroll math) has unit tests:

npm test

License

MIT — see LICENSE.

Sponsors