Privacy Policy
Last updated: February 2026
Introduction
XenoStep AI ("we", "us", "our") operates Batch Printer (https://batch-printer.com). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service. By using Batch Printer, you agree to the collection and use of information in accordance with this policy.
Information We Collect
- Account Information: When you sign up, we collect your email address and profile information provided through Google OAuth or email registration.
- Usage Data: We collect information about how you use the service, including the number of conversions, prints, features used, and timestamps.
- Technical Data: We automatically collect your IP address, browser type, device information, and operating system for security and analytics purposes.
- File Metadata: We may collect filenames and upload timestamps. We do NOT store or access the contents of your files.
How We Use Your Information
- To provide and maintain the service, including file conversion, merging, and printing features.
- To track usage limits based on your subscription tier (Guest, Basic, Plus, Pro).
- To analyze usage patterns and improve the service.
- To ensure security, prevent abuse, and detect fraudulent activity.
- To send important service updates and respond to support requests.
File Processing & Storage
Your privacy is our top priority when it comes to file processing:
- Secure processing: Your files are processed safely using advanced security measures. Files are automatically deleted after processing.
- Server-side processing: Office document conversion (Word, Excel, PowerPoint) requires our server. Files are processed in memory and deleted immediately after conversion.
- We do NOT store, backup, or retain copies of your uploaded files. You are responsible for keeping your original files.
- We do NOT review, monitor, or screen file contents. All processing is fully automated.
Cookies & Tracking Technologies
- Essential Cookies: Required for authentication (Supabase session) and basic functionality.
- Analytics: We may use analytics tools to understand how users interact with our service.
- Advertising: We use Google AdSense, which may place cookies to serve personalized ads. Google uses the DoubleClick DART cookie to serve ads based on your visit history. You can opt out at Google Ad Settings (https://adssettings.google.com).
You can disable cookies through your browser settings. However, disabling essential cookies may affect service functionality.
Third-Party Services
We use the following third-party services to operate Batch Printer:
- Supabase: Database and authentication (processes account data in accordance with their privacy policy).
- Google: OAuth authentication and AdSense advertising.
- Vercel: Web hosting and serverless functions.
- LibreOffice (on-premise): Office document conversion on our own server.
Data Sharing
We do NOT sell your personal information. We may share data only in the following circumstances:
- With service providers listed above, solely to operate the service.
- When required by law, regulation, or legal process.
- To protect the rights, safety, or property of XenoStep AI, our users, or the public.
We do NOT sell your personal information.
International Data Transfers
Your data may be transferred to and processed in countries outside your country of residence, including the United States (Supabase, Vercel, Google). We ensure appropriate safeguards are in place, including Standard Contractual Clauses where applicable.
Data Retention
- Account data: Retained until you delete your account, plus 30 days for backup processing.
- Usage logs: Retained for 90 days for analytics and abuse prevention.
- Uploaded files: Deleted immediately after processing or within 24 hours, whichever is sooner.
Your Rights
Depending on your location, you may have the following rights:
- Right to access your personal data.
- Right to correct inaccurate information.
- Right to request deletion of your data ("right to be forgotten").
- Right to data portability (export your data).
- Right to object to processing for marketing purposes.
- Right to restrict processing of your data.
To exercise these rights, please contact us at privacy@xenostep.ai. We will respond within 30 days.
Children's Privacy
Batch Printer is not intended for children under 13 years of age (or 16 in the EU). We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us and we will delete it promptly.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page and updating the "Last updated" date. Continued use of the service after changes constitutes acceptance of the updated policy.
Contact Us
For privacy-related questions, please contact us at:
- Privacy inquiries: privacy@xenostep.ai
- General support: support@xenostep.ai