Voice & audio
supertonic
Supertonic (TTS) — Lightning-Fast, On-Device TTS
Popularity
★ 222
Last update
January 2026
License / pricing
OpenRAIL
Category
Voice & audio
What it does
Supertonic (TTS) — Lightning-Fast, On-Device TTS
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
Before you start
- Setup difficultySome setup needed
- Command lineNot required
- API keyNot required
- Sends data onlineNo
Judged automatically from the project's own metadata. Always confirm on the official page.
supertonic FAQ
- Do I need to install anything or write code to use supertonic?
- No install needed — it runs in the browser.
- Does supertonic work on a phone?
- Yes, it works on a phone.
- Can I use supertonic commercially?
- The licence is OpenRAIL. Read the licence text before using it commercially.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| supertonic (this page) | Not needed | Not needed | No | Yes | With conditions |
| Kokoro-TTS | Not needed | Not needed | Yes | No | Yes |
| Chatterbox | Not needed | Not needed | Yes | No | Yes |
| Edge-TTS-Text-to-Speech | Not needed | Not needed | Yes | No | Not verified |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.