Privacy Policy

At PDF-Ninja, we take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your information when you use our PDF tools and services.

1. Information We Collect

1.1 Account Information

When you create an account, we collect:

• Email address
• Name (optional)
• Password (securely hashed)
• Account creation date

1.2 Files You Upload

When you use our PDF tools, you may upload PDF files for processing. These files are:

• Processed on our secure servers with SSL encryption
• Deleted after download, unless you choose to save them to your account
• For AI-powered features (Chat, Study, Translation), document content is processed using Anthropic Claude AI

For e-signature documents, files may be stored temporarily until all parties have signed, after which they are deleted according to our retention policy.

Saved Files: If you are logged in and choose to save files to your account, they will be stored until you delete them or delete your account.

1.3 File Transfer Service (Share)

When you use our file sharing/transfer service, we collect:

• Files you upload for sharing (PDF, ZIP, RAR)
• Recipient email addresses you provide
• Optional transfer title and message
• Password (if you enable password protection, stored securely hashed)
• Expiration settings you choose

Important: When you send files to recipients, we store:

• The uploaded files until they expire or are manually deleted
• Download activity (who downloaded and when)
• Email delivery status for notifications

Shared files are automatically deleted after the expiration date you select (7, 14, or 30 days depending on your plan).

1.4 Payment Information

When you subscribe to a paid plan, payment processing is handled by Stripe. We do not store your credit card details. Stripe may collect:

• Payment card information
• Billing address
• Transaction history

For more information, see Stripe's Privacy Policy.

1.5 Usage Data

We track usage to enforce plan limits and improve our services:

• Number of conversions/operations performed
• File sizes processed
• Features used

1.6 Automatically Collected Information

We automatically collect certain information when you visit our website:

• Browser type and version
• Operating system
• IP address
• Pages visited and time spent
• Session identifiers

2. How We Use Your Information

We use the collected information for the following purposes:

• Service Provision: To process your PDF files, provide the requested tools, and facilitate file transfers to recipients you specify
• Account Management: To manage your account and subscription
• Usage Limits: To enforce plan limits and track your usage
• Service Improvement: To analyze usage patterns and improve our services
• Security: To detect and prevent fraud, abuse, and security incidents
• Communication: To send transactional emails about your account and subscription

3. Data Security

We implement appropriate technical and organizational measures to protect your data:

• SSL/TLS encryption for all data transmission
• Secure password hashing
• Automatic file deletion after processing
• Regular security audits and updates
• Access controls and authentication
• Secure cloud infrastructure (Supabase)

4. Third-Party Services

4.1 Stripe (Payment Processing)

We use Stripe to process payments securely. Stripe handles all payment information and is PCI-DSS compliant. See Stripe's Privacy Policy.

4.2 Supabase (Database)

We use Supabase to store account information and usage data securely. See Supabase's Privacy Policy.

4.3 Anthropic (AI Processing)

For AI-powered features such as PDF Chat, PDF Study, PDF Translation, and AI document generation, we use Anthropic's Claude AI to process your document content. When you use these features, the text content of your documents is sent to Anthropic's API for processing. See Anthropic's Privacy Policy.

4.4 Email Services

We use email services to send transactional emails about your account, subscriptions, e-signature requests, and file transfer notifications. When you share files using our File Transfer service, we send emails to the recipients you specify containing download links and any message you include.

5. Your Rights

You have the following rights regarding your personal data:

• Access: Request access to your personal data
• Correction: Request correction of inaccurate data
• Deletion: Request deletion of your account and data
• Objection: Object to processing of your data
• Portability: Request transfer of your data
• Withdraw Consent: Withdraw consent at any time

To exercise any of these rights, please contact us at [email protected].

6. Data Retention

We retain different types of data for different periods:

• Uploaded Files (not saved): Deleted after download or session end
• Files Saved to Account: Retained until you delete them or your account
• E-signature Documents: Deleted 30 days after completion or cancellation
• Shared Files (File Transfer): Automatically deleted after the expiration date (7-30 days depending on plan)
• Account Data: Retained until account deletion
• Usage Data: Retained for billing and analytics purposes
• Server Logs: Retained for up to 90 days

7. Children's Privacy

Our services are not directed to children under 16 years of age. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy and applicable data protection laws.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. For significant changes, we may also send you an email notification.

10. Contact Us