packages/docs/plugin-registry/edge-tts.md
Free text-to-speech synthesis using Microsoft Edge TTS, with no API key required.
Package: @elizaos/plugin-edge-tts
The Edge TTS plugin provides text-to-speech capabilities for Eliza agents using Microsoft Edge's TTS engine. It supports a wide range of voices, adjustable speech rate, pitch, and volume. Since it leverages the Edge TTS service directly, no API key or paid subscription is needed.
eliza plugins install edge-tts
The plugin auto-enables when EDGE_TTS_VOICE is set.
| Variable | Type | Required | Description |
|---|---|---|---|
EDGE_TTS_VOICE | string | No | Voice name (e.g., en-US-AriaNeural) |
EDGE_TTS_RATE | string | No | Speech rate adjustment |
EDGE_TTS_PITCH | string | No | Pitch adjustment |
EDGE_TTS_VOLUME | string | No | Volume adjustment |