Terms of Service

Welcome to Den Browser. By installing, copying, or otherwise using this software, you agree to be bound by the following terms and conditions.

1. License and Open Source

Den Browser is open-source software distributed under the Mozilla Public License, version 2.0 (MPL 2.0). Bundled third-party components (such as Ghostty) are distributed under their respective licenses (e.g., MIT) as described in our Third-Party Notices.

You are free to use, modify, and distribute the software subject to the terms of the MPL 2.0 license found in our source repository.

2. Disclaimer of Warranties

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

We do not guarantee that the software will be error-free, uninterrupted, or compatible with all web content or third-party web services.

3. Limitation of Liability

IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

You are solely responsible for ensuring your data is backed up. We are not responsible for any loss of web session states, saved credentials, terminal histories, or cookies.

4. User Responsibility

You agree to use Den Browser in compliance with all applicable local, state, national, and international laws, rules, and regulations. You are solely responsible for all browsing activities conducted through your instance of the browser.

5. Changes to Terms

We reserve the right, at our sole discretion, to modify or replace these Terms at any time by posting the updated terms on our repository or website.

6. Governing Law

Any disputes arising from these Terms or the use of Den Browser shall be governed by and construed in accordance with the laws of Japan, without regard to its conflict of law provisions.

7. Revision History

• August 22, 2026: Updated license clarification to MPL 2.0 and refined general warranty disclaimer.
• July 20, 2026: Initial release of the Terms of Service.