Terms of Service
Last updated: April 2026
Agreement
By using Online Harmonium, you agree to these Terms of Service. If you do not agree, please discontinue use.
What We Provide
Online Harmonium is a free web-based harmonium instrument running in your browser. Audio is generated locally using the Web Audio API. No server-side processing or downloads are required. Optional MIDI controller support is available.
Eligibility
You must be able to legally use this site in your location. Minors should use the site only with permission from a parent or guardian.
User Conduct
You agree not to attempt to hack or exploit the site, use it for illegal purposes, scrape data in bulk without permission, or interfere with other users' experience.
Audio and Data
All audio is generated and processed locally in your browser. Instrument preferences may be saved in browser local storage. We do not record, store, or transmit any audio or MIDI data.
Advertising
The site may display ads from third-party networks to help keep it free. We do not control third-party ad content and are not responsible for external sites linked by advertisements.
Disclaimer
The instrument is provided for educational and entertainment purposes. Audio quality may vary depending on your device, browser, and hardware. MIDI support depends on your browser's Web MIDI API implementation.
Limitation of Liability
Online Web Harmonium is not liable for damages arising from use or inability to use the site, audio issues, device incompatibility, or technical interruptions.
Intellectual Property
The UI design and source code are the property of Online Web Harmonium or used under license. If you believe any content infringes your rights, please contact us.
Termination
We may suspend access to the site if these Terms are violated or to protect the site and its users.
Changes
We may update these Terms at any time. Continued use of the site indicates acceptance of changes.
Contact
Questions? Email liangyunwuxu@gmail.com