Privacy Policy

1. Data We Collect

We collect only the data that is necessary to create and maintain your account and to provide the Service.

1.1 Account Data

We may collect and store:

• email address
• password (stored only in hashed form)
• optional profile information such as first name, last name, or country

If you sign in using Google authentication, we may receive:

• your email address
• your name (if available in your Google account)

You can control what information Google shares with us through your Google account settings.

1.2 Application Settings

To provide a personalized experience, we may store:

• selected theme (light or dark)
• interface preferences
• filter and tab states
• other configuration data

These settings may be stored on our servers and locally in your browser (for example using localStorage).

1.3 Technical Data

When you use the Service, we may automatically collect certain technical information, such as:

• IP address
• browser type and operating system
• date and time of access
• session identifiers and security cookies

This information is used only for security, authentication, and operational purposes.

We do not use this data for marketing or advertising profiling.

1.4 User Content and Data

Depending on the product you use, the Service may process data that you enter, such as records, transactions, notes, or other user-generated content.

This data is processed solely to provide functionality and synchronization across your devices.

We implement technical safeguards, including encryption of sensitive data in transit and at rest.

2. What We Do Not Collect or Do

We do not:

• collect payment card numbers directly on our servers
• collect phone numbers or postal addresses unless explicitly required for a service feature
• sell or rent your personal data to third parties
• show advertising inside our applications
• use advertising trackers or behavioral profiling systems

We may send only essential service emails, such as:

• account verification
• password reset
• important security or service notifications

3. How We Use Your Data

We use your data for the following purposes:

• to create and manage user accounts
• to authenticate users and maintain secure sessions
• to provide application functionality
• to store user preferences
• to respond to support requests
• to maintain system security and stability
• to comply with legal obligations

4. Legal Basis (EEA / UK)

If you are located in the European Economic Area or the United Kingdom, we process personal data based on the following legal grounds:

• Contract performance — to provide the Service under our Terms of Service
• Legitimate interests — to secure our infrastructure and prevent abuse
• Legal obligations — where required by applicable law

5. Cookies and Local Storage

We use only essential technologies necessary for the operation of the Service:

• authentication cookies
• session identifiers
• localStorage for user preferences

We do not use cookies for advertising or behavioral tracking.

Disabling cookies may affect login and core functionality of the Service.

6. Data Sharing

We may share data only with trusted service providers that help operate the Service, such as:

• cloud infrastructure providers
• email delivery services
• monitoring and security systems

These providers process data only on our instructions and are bound by confidentiality and data protection obligations.

We may also disclose data if required by law or to protect the rights, safety, or security of our users and the public.

7. International Transfers

Our servers and service providers may be located in different countries.

By using the Service, you consent to the transfer of your data outside your country of residence.

We take reasonable measures to ensure that personal data remains protected during such transfers.

8. Data Retention

We retain personal data only as long as necessary to:

• provide the Service
• comply with legal obligations
• resolve disputes and enforce agreements

If you delete your account, we will delete or anonymize your personal data within a reasonable period unless retention is required by law.

9. Your Rights

Depending on your jurisdiction, you may have the right to:

• access your personal data
• correct inaccurate information
• request deletion of your data
• restrict or object to certain processing
• receive a portable copy of your data

To exercise these rights, contact us at:

support@zentline.com

10. Children's Privacy

The Service is not intended for children under 13.

We do not knowingly collect personal data from children under 13.

If you believe that a child has provided personal data, please contact us and we will remove the information.

11. Security

We implement reasonable technical and organizational measures to protect personal data against unauthorized access, misuse, or loss.

However, no system can guarantee absolute security.

Some products may provide additional security features such as client-side encryption where data can only be decrypted on the user's devices.

12. Changes to This Policy

We may update this Privacy Policy from time to time.

The updated version will be published on this page with a revised "Updated" date.

Your continued use of the Service after changes take effect constitutes acceptance of the updated Policy.

13. Contact

If you have questions about this Privacy Policy, contact us at:

Email: support@zentline.com