Voice & audio
Real-Time-Voice-Cloning
Clones a voice from a few seconds of audio (research implementation)
★ 60k
March 2026
Not stated
Voice & audio
What it does
Extracts a speaker representation from a few seconds of audio and uses it to read arbitrary text in that voice - an implementation of the SV2TTS paper, originally written as a master's thesis. It is research code: setup is more involved than a finished app, and voice synthesis has moved on considerably since, so look at newer tools if you need production quality. Cloning someone's voice without their informed consent, especially to impersonate them, carries serious legal exposure.
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 difficultyEasy to start
- Command lineRequired
- API keyNot required
- Sends data onlineYes
Judged automatically from the project's own metadata. Always confirm on the official page.
Before you use someone else's face or voice
Recreating a person's face or voice without their informed consent, and publishing material that shows them saying or doing something they did not, can amount to defamation or a violation of personality and publicity rights, with civil and criminal consequences. Sexual content, or impersonation for financial gain, is treated far more seriously. Work only with your own likeness, or with material where the person has agreed to both the content and where it will appear. Running the tool locally protects your data - it does not make publishing the result lawful.
Real-Time-Voice-Cloning FAQ
- Is Real-Time-Voice-Cloning free?
- Yes. It runs on your own machine, so there is no usage-based cost either.
- Do I need to install anything or write code to use Real-Time-Voice-Cloning?
- It needs the command line. If you are not comfortable typing commands, expect to get stuck during setup.
- Does Real-Time-Voice-Cloning work on a phone?
- No. It needs a computer.
- Can I use Real-Time-Voice-Cloning commercially?
- The project does not state a clear licence, so commercial use cannot be confirmed here. Check the official page or ask the author before using it at work.
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 |
|---|---|---|---|---|---|
| Real-Time-Voice-Cloning (this page) | Required | Not needed | Yes | No | Not verified |
| fish-s2-pro-zero | Not needed | Not needed | Yes | Yes | Not verified |
| Coqui TTS | Required | Not needed | No | No | Yes |
| Bark | Required | Not needed | No | No | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.