MyTTS

An Android app that converts text to speech on-device using the Kokoro-82M TTS model (int8 ONNX). No cloud services, no Android TTS API -- just paste text and hit play.

Tested on Snapdragon devices with ONNX Runtime 1.20.0 CPU inference. English only. 26 built-in voices.

Release

Build

• See BUILD.md for setup and build instructions.
• See opencode-session.md for full opencode session logs.

Credits

• Kokoro-82M v1.0 ONNX -- the TTS model
• eSpeak-ng -- text-to-phoneme engine (via csukuangfj fork)
• Kokoro-82M-Android -- reference project for running Kokoro on Android
• Claude Opus 4.6 + OpenCode -- all the coding and documentation

Usage

• Select speaker (recommend af_sarah, prefix: american, british, female, male)
• Paste text
• Play/Pause/Resume/Stop
• Double tap text block to start playing there (only in stopped status)

Demo

Make sure to unmute the video

mytts-demo.mp4