Last Updated: January 24, 2026
By accessing and using UltraBox (ultrabox.blog), you accept and agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our service.
UltraBox is a free, open-source online music creation tool that runs entirely in your web browser. It is a modification of BeepBox that combines features from multiple community mods.
UltraBox is licensed under the MIT License. You are free to:
Subject to the conditions specified in the MIT License available in our GitHub repository.
You retain all rights to music and compositions you create using UltraBox. We do not claim any ownership over your creative work.
You agree to use UltraBox only for lawful purposes. You must not:
When importing custom audio samples, you are responsible for:
UltraBox does not host, store, or distribute custom samples and assumes no responsibility for user-provided content.
UltraBox includes built-in sample libraries from various sources. Users are responsible for understanding the licensing terms of any samples they use in their compositions.
UltraBox, BeepBox, and related names and logos are trademarks of their respective owners. Use of these trademarks does not imply endorsement.
UltraBox is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, either express or implied, including but not limited to:
To the maximum extent permitted by law, UltraBox and its contributors shall not be liable for any:
Your use of UltraBox is also governed by our Privacy Policy. Please review it to understand how we handle information.
UltraBox stores data locally in your browser. You are responsible for:
UltraBox may integrate with third-party services (CDNs, font providers, etc.). Your use of these services is subject to their respective terms and conditions.
We reserve the right to:
Continued use after changes constitutes acceptance of modified terms.
UltraBox is a community-driven project. Contributions are welcome through our GitHub repository. By contributing, you agree to license your contributions under the MIT License.
We may terminate or suspend access to UltraBox immediately, without prior notice, for any reason, including breach of these Terms.
These Terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law provisions.
If any provision of these Terms is found to be unenforceable, the remaining provisions will continue in full force and effect.
For questions about these Terms of Service, please contact us:
UltraBox is based on BeepBox by John Nesky and incorporates features from numerous community mods. We are grateful to all contributors who have made this project possible.