Terms of Service

Effective Date: 2026-01-01

Welcome to SheetAI / TukoAI (“we”, “our”, or “us”). By registering for, logging into, or using our services, you confirm that you have read, understood, and agreed to these Terms of Service and the Privacy Policy.

1. Acceptance of the Terms

By creating and using an account through Google Sign-In or email registration, you are deemed to have agreed to these Terms of Service and the Privacy Policy. If you do not agree to these terms, please do not register for or continue using the service.

2. Usage Restrictions and Violations

Our services may only be used through the official interfaces and authorized methods we provide. Any attempt to access or call SheetAI-related services through code, scripts, automation tools, or other unauthorized means is strictly prohibited. Such behavior, including bypassing frontend restrictions or reverse-calling APIs, may result in account suspension or permanent termination.

3. Product Updates and Notifications

We may send you email notifications regarding new features, important updates, or service changes. You can manage or disable these notifications in your account settings, and doing so will not affect your ability to use the core features of the service.

4. Conversation Data and System Improvement

To improve our analytical capabilities and overall service quality, we may use portions of conversation data for internal analysis and system optimization purposes. This usage is not intended to identify individual users. You may disable data sharing for system improvement in your account settings.

5. Third-Party Services and Partners

As part of delivering analysis and generation features, we may collaborate with third-party technology providers or partners. Certain processed data may be handled by external AI services, including OpenAI, solely for the purpose of fulfilling your requested functionality. This process does not alter data ownership, which remains with you.

6. Service Modification and Termination

We reserve the right to modify, suspend, or terminate any part of the service as needed. If you violate these Terms or misuse the service, we may restrict or terminate your access without prior notice.

7. Disclaimer

All analytical results and AI-generated content are provided for reference only. You are responsible for evaluating their accuracy and applicability. We are not liable for any direct or indirect losses resulting from the use of such content.

8. Updates to These Terms

These Terms of Service may be updated from time to time. Continued use of the service after updates take effect constitutes acceptance of the revised terms.


Privacy Policy

Effective Date: 2026-01-01

We respect your privacy. This Privacy Policy explains what information we collect, how it is used, and how it is protected when you use SheetAI / TukoAI.

1. Account Registration and Login Information

When you register or log in using Google Sign-In or email, we collect your email address and necessary account information solely for identification, authentication, and account management purposes.

2. Spreadsheet and Analysis-Related Information

When you use the service for analysis, we may collect spreadsheet names and structural data characteristics, such as the number of columns, data formats of each column, and the general type of the table. Spreadsheet names are used to help guide correct file uploads or analysis reconstruction, while structural characteristics may be processed or encrypted before being used to generate analytical patterns via AI models.

3. Third-Party Model Processing

To provide analytical and generative capabilities, we may submit portions of data related to your request to third-party AI service providers, such as OpenAI, for processing. These data are used only to complete the requested task, are not intended to identify you, and remain your property.

4. Data Ownership

You retain full ownership of all data you upload or provide. TukoAI does not claim ownership of your data, and data usage is limited to providing and improving the service.

5. Data Security and Privacy Protection

We implement reasonable technical and organizational measures to protect your data. We do not intentionally access, sell, or disclose your original data content, and we aim to minimize risk during storage and processing.

6. Data Control Options

You may manage whether your conversation data is used for system improvement and whether you receive email notifications through your account settings. We respect your choices and provide corresponding controls.

7. Updates to This Privacy Policy

This Privacy Policy may be updated as the product evolves. Continued use of the service after updates take effect indicates acceptance of the revised Privacy Policy.