Privacy Policy

1. Introduction and Who We Are

Welcome to BookTranslate.ai. This Privacy Policy describes how Táborszki Bálint EV (a sole proprietorship registered in Hungary, address: 3300 Eger, Vécseyvölgy út 67., Hungary, hereinafter "BookTranslate.ai", "we", "us", or "our") collects, uses, shares, and protects your personal data when you use our website booktranslate.ai (the "Site") and our AI-powered translation services (collectively, the "Service").

We are committed to protecting your privacy and handling your data in an open and transparent manner, in compliance with the General Data Protection Regulation (GDPR) and other applicable data protection laws.

This Privacy Policy should be read in conjunction with our Terms of Service. By using our Service, you acknowledge that you have read and understood this Privacy Policy.

For the purposes of the GDPR, Táborszki Bálint EV is the "data controller" for the personal data processed through the Service.

2. Information We Collect

We collect information in the following ways:

2.1. Information You Provide Directly

• Account Information: When you register for an account, we collect your email address. You may optionally provide your name or a profile picture.
• Payment Information: When you make a purchase, we collect billing details necessary to process your payment. Your full credit card information is processed directly by our third-party payment processor (Stripe) and is not stored on our servers. We may store a part of your card number (e.g., last four digits) and card type for verification and administrative purposes.
• User Content: We collect the text, documents, or other materials you submit, upload, or provide to the Service for translation ("User Content"). This also includes the translations generated by the Service from your User Content ("Generated Translations"). Both are stored to allow you to access them from your projects.
• Translation Preferences: Your selected source and target languages, custom glossary terms (if applicable), and other translation settings.
• Communications: If you contact us directly (e.g., for customer support), we may receive additional information about you such as your name, email address, phone number, the contents of the message and/or attachments you may send us, and any other information you may choose to provide.

2.2. Information We Collect Automatically

When you use our Service, we automatically collect certain information about your device and your interaction with our Service:

• Usage Data: Information about how you use our Service, such as the features you use, character counts processed, projects created, pages you visit, actions you take, and the time, frequency, and duration of your activities.
• Device and Connection Information: Information about your computer or mobile device, such as your IP address, browser type and version, operating system, device identifiers, and language settings.
• Cookies and Similar Technologies: We use cookies (small text files stored on your device) and similar tracking technologies (e.g., web beacons, pixels) to operate and administer our Site, gather usage data, and improve your experience. We use essential cookies for core functionality like login sessions. We may also use cookies for analytics and performance. You can control the use of cookies at the individual browser level. For more details on our use of cookies, please see our Cookie Notice [Link to a separate Cookie Notice if you have one, or expand here].

3. Our Commitment Regarding Your Content (User Content and Generated Translations)

You retain all intellectual property rights and ownership of your User Content and the Generated Translations. Our processing of this content is strictly for the purpose of providing and improving the translation Service to you.

We do not use your User Content or Generated Translations to train our AI models or any third-party AI models without your explicit, separate consent.

Your User Content and Generated Translations are stored securely to allow you to access them via your account. You can delete your projects and associated data at any time using the features provided in the Service.

4. How We Use Your Information and Our Legal Bases for Processing

We use the information we collect for various purposes, and we rely on specific legal bases under GDPR for processing your personal data:

• To Provide and Maintain the Service: This includes creating and managing your account, processing your User Content to generate translations, storing your projects, and enabling Service features.
  Legal Basis: Performance of a contract with you.
• To Process Transactions: To process payments for the services you purchase.
  Legal Basis: Performance of a contract with you.
• To Improve and Personalize the Service: To understand how users interact with our Service, develop new features, and personalize your experience.
  Legal Basis: Legitimate interests (to improve our Service); Consent (for certain personalization or non-essential cookies).
• For Communication: To send you technical notices, updates, security alerts, administrative messages, and to respond to your comments, questions, and customer service requests.
  Legal Basis: Performance of a contract; Legitimate interests (to keep you informed and provide support).
• For Security and Fraud Prevention: To monitor and analyze trends, usage, and activities to detect, investigate, and prevent fraudulent transactions, unauthorized access, and other illegal activities.
  Legal Basis: Legitimate interests (to protect our Service and users); Legal obligation.
• To Comply with Legal Obligations: To comply with applicable laws, regulations, legal processes, or governmental requests (e.g., for tax and accounting purposes).
  Legal Basis: Legal obligation.

5. How We Share Your Information

We do not sell your personal information. We may share your personal data in the following limited circumstances:

• Service Providers (Data Processors): We share information with third-party vendors, service providers, and contractors who perform services on our behalf and under our instruction, such as:
  • Payment processing (e.g., Stripe)
  • Cloud hosting and infrastructure (e.g., Vercel)
  • Database services (e.g., Supabase)
  • AI model providers for translation processing (e.g., Anthropic or other providers we may use)
  These providers are authorized to use your personal data only as necessary to provide these services to us and are contractually obligated to protect its confidentiality and security.
• Business Transfers: If we are involved in a merger, acquisition, financing due diligence, reorganization, bankruptcy, receivership, sale of all or a portion of our assets, or transition of service to another provider, your information may be transferred as part of that transaction, subject to standard confidentiality arrangements.
• Legal Requirements: We may disclose your information if required to do so by law or in the good faith belief that such action is necessary to: (a) comply with a legal obligation or a valid request by public authorities (e.g., a court or a government agency); (b) protect and defend our rights or property; (c) prevent or investigate possible wrongdoing in connection with the Service; (d) protect the personal safety of users of the Service or the public; or (e) protect against legal liability.
• With Your Consent: We may share your information for other purposes with your explicit consent or at your direction.

6. Data Security

We implement appropriate technical and organizational measures designed to protect the security of your personal data against unauthorized or unlawful processing and against accidental loss, destruction, or damage. These measures include, but are not limited to, encryption of data in transit (e.g., using HTTPS/TLS) and at rest, access controls, and regular security assessments.

However, please be aware that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal data, we cannot guarantee its absolute security. You are also responsible for keeping your account password confidential.

7. Data Retention

We will retain your personal data only for as long as is necessary for the purposes set out in this Privacy Policy, or as needed to provide you with the Service. Specifically:

• Account information is retained as long as your account is active.
• User Content and Generated Translations associated with your projects are retained as long as your account is active and the projects are not deleted by you.
• We will retain and use your information to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws, such as tax and accounting requirements, which may require retention for up to 8 years in Hungary), resolve disputes, and enforce our legal agreements and policies.

When we no longer need your personal data for these purposes, we will securely delete or anonymize it. You can request deletion of your account and associated personal data at any time by contacting us at hello@booktranslate.ai. We will process such requests in accordance with applicable law.

8. Your Data Protection Rights (GDPR)

If you are located in the European Economic Area (EEA), you have certain data protection rights under the GDPR. We aim to take reasonable steps to allow you to correct, amend, delete, or limit the use of your personal data. These rights include:

• The right to access: You have the right to request copies of your personal data that we hold.
• The right to rectification: You have the right to request that we correct any information you believe is inaccurate or complete information you believe is incomplete.
• The right to erasure (right to be forgotten): You have the right to request that we erase your personal data, under certain conditions.
• The right to restrict processing: You have the right to request that we restrict the processing of your personal data, under certain conditions.
• The right to object to processing: You have the right to object to our processing of your personal data, under certain conditions, particularly where we rely on legitimate interests as our legal basis.
• The right to data portability: You have the right to request that we transfer the data that we have collected to another organization, or directly to you, in a structured, commonly used, and machine-readable format, under certain conditions.
• The right to withdraw consent: If we are processing your personal data based on your consent, you have the right to withdraw that consent at any time. Withdrawal will not affect the lawfulness of processing before the withdrawal.

To exercise any of these rights, please contact us at hello@booktranslate.ai. We may need to verify your identity before responding to such requests. We will respond to your request within one month, as required by GDPR.

You also have the right to lodge a complaint with a data protection supervisory authority. For Hungary, the competent authority is the National Authority for Data Protection and Freedom of Information (NAIH - Nemzeti Adatvédelmi és Információszabadság Hatóság, address: H-1055 Budapest, Falk Miksa utca 9-11.; website: www.naih.hu).

9. International Data Transfers

Your information, including personal data, may be transferred to — and maintained on — computers located outside of your state, province, country, or other governmental jurisdiction where the data protection laws may differ from those in your jurisdiction. We are based in Hungary (an EU Member State).

Our third-party service providers (such as Stripe, Supabase, Vercel, and AI model providers) may process data in various locations, including the United States. When we transfer your personal data outside the European Economic Area (EEA), we will take steps to ensure that your data receives an adequate level of protection where it is processed. We do this by relying on:

• Adequacy decisions adopted by the European Commission (certifying that a third country offers adequate data protection).
• Standard Contractual Clauses (SCCs) approved by the European Commission, supplemented by transfer impact assessments and additional safeguards where necessary.
• For transfers to providers in the USA, they may be certified under relevant data privacy frameworks recognized by the EU as providing adequate protection (e.g., the EU-U.S. Data Privacy Framework).

By using our Service, you acknowledge that your personal data may be transferred and processed in these locations.

10. Children's Privacy

Our Service is not directed to children under the age of 16 (or the applicable age of consent for data processing in your jurisdiction). We do not knowingly collect personal data from children under 16. If you are a parent or guardian and you believe your child has provided us with personal data without your consent, please contact us. If we become aware that we have collected personal data from a child under 16 without verification of parental consent, we will take steps to remove that information from our servers.

11. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date at the top.

For material changes, we may also provide a more prominent notice (such as by email to registered users or a notification on our Site) prior to the change becoming effective. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

12. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

• Táborszki Bálint EV
• Data Controller: Táborszki Bálint
• Address: 3300 Eger, Vécseyvölgy út 67., Hungary
• Email: hello@booktranslate.ai
• Phone: +36 70 218 1428 (For privacy inquiries, email is preferred for record-keeping)
• Company Registration Number (Nyilvántartási szám): 60258924
• Hungarian Tax ID (Adószám): 55182795-1-30
• EU VAT ID (Közösségi adószám): HU55182795