Privacy Policy

Staff
•

Last Updated: 14-May-2026

Welcome to Subjoin.one (“Subjoin.one”, “we”, “our”, or “us”). This Privacy Policy explains how information is collected, used, stored, and disclosed when you use Subjoin.one and its associated services.

Subjoin.one is owned and operated by Carlos Eduardo Magallon Zepeda

By accessing or using the website, you agree to this Privacy Policy.

1. Scope

This Privacy Policy applies to all users of Subjoin.one, including visitors and registered account holders.

Subjoin.one provides browser-based video and audio editing tools, including but not limited to:

  • Compress video

  • Cut video

  • Extract audio from video

  • Split video

  • Remove silence from video

  • Stabilize video

  • Crop video

  • Clean audio

  • Compress MP3 audio

  • Convert FLAC to MP3

  • Subtitle video

Most tools operate entirely within the user’s browser and do not upload files to our servers. The subtitle generation tool may upload videos to our servers for processing.

2. Information We Collect

2.1 Information You Provide

We may collect information you voluntarily provide, including:

  • Email address

  • Account credentials

  • Billing-related information

  • Support requests and communications

2.2 Payment Information

Payments are processed by Stripe.

We do not directly store or process full payment card information on our servers. Payment information is handled by Stripe in accordance with their own privacy policies and security standards.

2.3 Analytics Information

We use Google Analytics to understand website traffic and usage patterns.

Google Analytics may collect information such as:

  • Browser type

  • Device information

  • Pages visited

  • Session duration

  • Referring websites

  • Approximate geographic region

Google Analytics may use cookies and similar technologies.

2.4 Cookies and Local Storage

Subjoin.one uses cookies and similar technologies for:

  • Session management

  • Language preferences

  • User configuration/preferences

  • Authentication

  • Analytics

Third-party advertising providers may also use cookies or tracking technologies.

You may disable cookies through your browser settings, although some functionality may not work properly.

3. File Processing

3.1 Browser-Based Processing

Most editing tools on Subjoin.one process files entirely within the user’s browser.

For these tools:

  • Files are not uploaded to our servers

  • We do not access file contents

  • We do not store uploaded media

3.2 Subtitle Tool Processing

The subtitle generation feature requires server-side processing.

When using this feature:

  • Uploaded video files may temporarily pass through our servers

  • Files may be stored in Amazon S3 infrastructure during processing

  • Files are not intended for permanent storage

  • Files are processed solely for subtitle generation purposes

We take reasonable measures to protect uploaded content during processing.

4. Third-Party Services

We may use third-party providers and infrastructure services including:

We may also use third-party artificial intelligence or transcription services, including technologies related to Whisper or similar speech recognition systems, for subtitle generation and media processing.

These third parties may process information in accordance with their own privacy policies.

5. Advertising

Subjoin.one may display advertisements provided by third-party advertising networks.

Advertising providers may use cookies, device identifiers, or similar technologies to personalize advertisements and measure performance.

Users should review the privacy policies of third-party advertising providers for additional information.

6. Account Deletion and Data Requests

Users may request deletion of their account and associated personal data by:

  • Deleting their account through the platform, if available; or

  • Contacting us at: hello [at] zeedu [dot] dev

We will process deletion requests in accordance with applicable laws, including GDPR and CCPA requirements.

Certain information may be retained where legally required or necessary for fraud prevention, accounting, security, or dispute resolution.

7. GDPR Rights

If you are located in the European Economic Area (EEA), you may have rights including:

  • Right of access

  • Right to rectification

  • Right to deletion

  • Right to restrict processing

  • Right to data portability

  • Right to object to processing

  • Right to withdraw consent

Requests may be submitted to:
hello [at] zeedu [dot] dev

8. California Privacy Rights (CCPA/CPRA)

California residents may have rights including:

  • Right to know what personal information is collected

  • Right to request deletion

  • Right to correct inaccurate information

  • Right to opt out of certain data sharing activities

  • Right to non-discrimination for exercising privacy rights

Requests may be submitted to:
hello [at] zeedu [dot] dev

We do not sell personal information in the traditional sense.

9. Children’s Privacy

Subjoin.one may be used by minors.

However, users under the age required by local law should use the service only with appropriate parental or guardian supervision.

If you believe a child has provided personal information improperly, contact us at hello [at] zeedu [dot] dev.

10. Copyright and User Content

Users are solely responsible for the content they upload, process, generate, or distribute through Subjoin.one.

You represent that you have all necessary rights, licenses, permissions, and authorizations to use uploaded content.

Subjoin.one does not actively monitor all uploaded files and cannot control the legality of user-submitted content.

We reserve the right to remove content or restrict access to the service if we believe content violates applicable laws, intellectual property rights, or our Terms of Service.

11. Data Security

We implement reasonable technical and organizational measures intended to protect user information against unauthorized access, disclosure, alteration, or destruction.

However, no system or method of electronic storage or transmission over the internet can be guaranteed to be completely secure.

12. International Data Transfers

Your information may be processed and stored in countries outside your own jurisdiction, including through cloud infrastructure providers and third-party service providers.

By using Subjoin.one, you consent to such transfers where permitted by law.

13. Retention of Information

We retain personal information only for as long as necessary to:

  • Provide the service

  • Comply with legal obligations

  • Resolve disputes

  • Enforce agreements

  • Maintain security and fraud prevention measures

14. Changes to This Privacy Policy

We may update this Privacy Policy from time to time.

Updated versions will be posted on this page with a revised “Last Updated” date.

Continued use of the service after changes become effective constitutes acceptance of the revised Privacy Policy.

15. Contact Information

If you have questions regarding this Privacy Policy, you may contact:

Carlos Eduardo Magallon Zepeda
Email: hello [at] zeedu [dot] dev