Syllavox
The facts below are what the maker publishes about Syllavox, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Syllavox's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 20 Sep 2026
- Clipboard hotkey
- The default global read shortcut is Ctrl+Alt+R and reads the current clipboard text.checked 13 Oct 2026
- Commercial use
- Yeschecked 20 Sep 2026
- Export formats
- WAVchecked 20 Sep 2026
- Extension availability
- Chrome and Edge packages are ready for store submission, while Firefox is experimental and store installation awaits external review.checked 13 Oct 2026
- License
- The source code is released under the MIT License.checked 13 Oct 2026
- Limits
- The default maximum synthesis-unit length is 10,000 characters, configurable from 100 to 10,000, and new speech requests interrupt current playback.checked 13 Oct 2026
- Local API
- A local HTTP API listens at 127.0.0.1:8765 and supports status, speak, stop, pause, resume, and voice endpoints.checked 13 Oct 2026
- Local processing
- Speech synthesis and playback run on the computer without a cloud TTS service or account.checked 12 Oct 2026
- Maximum input
- 10000checked 20 Sep 2026
- Offline speech
- Speech synthesis and playback run on the user's computer without a cloud TTS service or account.checked 13 Oct 2026
- Playback limitation
- Independent hotkey, browser, or API speech requests interrupt current playback because Syllavox does not queue them.checked 12 Oct 2026
- Privacy
- The browser extension communicates with the local application, and voice downloads occur when the user explicitly installs a voice.checked 13 Oct 2026
- Product
- Syllavox is a local-first read-aloud desktop utility for students and knowledge workers who listen across applications.checked 12 Oct 2026
- Purpose
- Syllavox is a local-first desktop read-aloud utility for listening to text across applications using a shortcut.checked 13 Oct 2026
- Reading controls
- The main window supports sentence and paragraph navigation, replay, pause, resume, stop, playback speed and volume controls, and WAV export.checked 13 Oct 2026
- Release limitation
- The v1.0.0 release does not include an automatic updater, and some platform release checks remain manual.checked 12 Oct 2026
- Security
- The security policy says the project is a small side project, response times cannot be guaranteed, and security reports will be reviewed as soon as practical.checked 12 Oct 2026
- Speech engines
- Piper is the default speech backend; optional builds can add Sherpa-ONNX or operating-system voices.checked 13 Oct 2026
- Support
- The project says it is a small side project and cannot guarantee security-report response times; it lists [email protected] for questions and support.checked 13 Oct 2026
- Voice downloads
- Voice models are not included in public downloads and must be selected and downloaded separately.checked 13 Oct 2026
Where it runs
- Browser integration
- The browser extension adds a context-menu action to read selected text through the running Syllavox application on the same computer.checked 13 Oct 2026
- Platforms
- Windows 10/11 x64 is supported; macOS Apple silicon and Ubuntu 22.04/24.04 amd64 are best effort, while other listed targets are experimental.checked 12 Oct 2026
- Platform support
- Windows 10/11 x64 is supported; macOS Apple silicon and Ubuntu 22.04/24.04 amd64 are best effort, with other listed targets experimental.checked 13 Oct 2026
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