Terms of Service
Last updated: February 19, 2026
These Terms of Service ("Terms") set forth the conditions for using Tmarker ("the Service") between the operator ("we") and users. By using the Service, you agree to these Terms.
Article 1 (Service Description)
The Service is a free web application that lets you bookmark YouTube video timestamps and replay them with a single tap.
Article 2 (Accounts)
A Google account sign-in is required to use this Service.
- You are responsible for managing your own account
- We are not liable for any damages resulting from unauthorized use of your account
Article 3 (Intellectual Property)
Intellectual property rights related to the Service belong to us. The rights to bookmark data saved by users through the Service belong to the respective users.
Article 4 (Prohibited Activities)
Users shall not engage in the following activities when using the Service:
- Interfering with the operation of the Service
- Unauthorized access or similar activities
- Actions that cause harm to other users or third parties
- Activities that violate applicable laws or public order
- Excessive API access or mass requests via automated tools
- Copying, modifying, redistributing, or reselling the Service
Article 5 (Disclaimers)
The Service is provided "as is," and we make no warranties regarding the following:
- That the Service will operate without interruption or errors
- Data loss due to service interruption, modification, or termination
- The content or availability of YouTube videos
- Permanent storage of bookmark data
Article 6 (Service Modification and Termination)
We may modify or terminate the Service without prior notice to users. We are not liable for any damages caused to users as a result.
Article 7 (Changes to These Terms)
We may update these Terms as necessary. Updated Terms take effect as soon as they are posted on this page. For significant changes, we will endeavor to notify you through the Service.
Article 8 (Governing Law)
These Terms are governed by and construed in accordance with the laws of Japan.
Article 9 (Contact)
For questions regarding these Terms, please visit the contact page.