Thryve Speak
Turn English text into natural speech with a local, multi-voice AI model. Nothing you type is ever sent to a server.
English text to speech
License
Privacy
Processed entirely on your device
Your text script never leaves your browser tab.
Thryve Speak turns English text into clear, natural WAV audio directly in your browser. Supertonic runs locally on your device, so your script is never uploaded or stored by Thryve.
How Thryve Speak works
- 1
Write your script
Paste or write English text in the editor.
- 2
Choose a voice
Select from supported English Supertonic voices and adjust the speaking speed.
- 3
Generate and download
The local model creates a WAV file on your device. Its files are downloaded once and reused from your browser cache.
Why teams choose Thryve Speak
Private by design
Your text and generated audio stay on your device.
Natural English voices
Choose supported American or British English voices without creating an account.
Cached local model
After the first download, your browser reuses the cached model for later sessions.
Multiple English accents
Pick from ten distinct English voices to match the tone of your content.
What it detects and edits
Automatically detects
- Local Supertonic speech synthesis
- Cached model reuse
- WAV audio generation
Manual controls
- Script editing
- American or British English voice selection
- Speaking speed
- Preview and download
Perfect for
How it compares
| Thryve Speak | Typical online text-to-speech tool | |
|---|---|---|
| Script upload required | ||
| Speech generation | Your device | Remote server |
| Model reused after first download | Not applicable | |
| WAV download | Varies |
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Frequently asked questions
Does Thryve Speak upload my text?
No. Speech generation runs locally in your browser. The synthesis path downloads the Supertonic model, voice data, and browser runtime assets only when they are not already cached.
Which languages are supported?
Thryve Speak currently generates English speech. The underlying Supertonic model supports additional languages, but the Speak interface currently exposes English mode only.
What audio format can I download?
Thryve Speak downloads generated speech as a WAV file.
Is there a free tier?
You can download 10 WAV files per month free. Thryve Speak Pro is a one-time $5 purchase with unlimited downloads, and Thryve OS Pro also includes Speak.