AI Voice, Audio & Text-to-Speech
Piper
Fast, free, open-source neural text-to-speech that runs entirely offline.
Freeapidesktop
What it does
Piper is an open-source, lightweight neural TTS engine designed to run fast even on small devices like a Raspberry Pi, popular as the voice engine behind Home Assistant and other offline, local-first voice projects.
This is a direct link to Piper — we don't currently earn anything from it.
Free tier reality
Free and open source, with no account or internet connection required to generate speech.
Key features
- Runs fully offline/on-device
- Lightweight enough for a Raspberry Pi
- Many pretrained voices across languages
- Open source
Best for
- Developers building offline or embedded projects that need local speech output
Alternatives
ElevenLabs
The most widely used AI voice generator, known for highly realistic speech.
Murf AI
AI voiceover generator built for presentations and marketing video.
PlayHT
Ultra-realistic AI voices with a free playground to try before you build.
Speechify
Popular text-to-speech reader for articles, PDFs, and documents.
Piper FAQ
Questions about this tool
Is Piper free?
Yes — Free and open source, with no account or internet connection required to generate speech.
What is Piper best for?
Developers building offline or embedded projects that need local speech output
What platforms does Piper run on?
Piper is available on: api, desktop.