Terms of Service

Terms of Service

These Terms of Service (“Terms”) govern your use of the Useful Tools Collection service.

1. Acceptance of Terms

By using this service, you agree to these Terms. If you do not agree, please discontinue use of the service.

2. Service Provision

2.1 Service Content

This service provides the following online tools:

  • Excel file merging tool
  • PDF file merging tool (coming soon)
  • Text comparison tool (coming soon)
  • Other utility tools

2.2 Service Availability

  • The service is provided free of charge
  • No registration or login required
  • Service is provided “as is” without warranty

2.3 Service Changes

  • Service content may be changed or discontinued without notice
  • New features may be added at any time

3. User Obligations

3.1 Appropriate Use

Users must:

  • Use the service for lawful purposes only
  • Not use the service to process illegal or harmful content
  • Not attempt to interfere with service operation

3.2 Prohibited Activities

The following activities are prohibited:

  • Service abuse or disruption attempts
  • Transmission of viruses or malicious code
  • Reverse engineering or unauthorized access attempts
  • Redistribution of service content without permission

4. File Processing

4.1 Client-Side Processing

  • All file processing occurs in the user’s browser
  • Files are not sent to the server
  • No file storage on the server

4.2 User Responsibility

  • Users are responsible for their uploaded files
  • Users should backup important files separately
  • The service provider is not responsible for data loss

5. Intellectual Property

5.1 Service Ownership

  • This service and related intellectual property belong to the service provider
  • Source code is available under open-source license

5.2 User Content

  • Users retain ownership of their uploaded files
  • Files are processed only in the browser and not stored

6. Disclaimer

6.1 Service Warranty

  • The service is provided “as is”
  • No guarantee of error-free or uninterrupted service
  • No guarantee of accuracy of processing results

6.2 Limitation of Liability

The service provider is not liable for:

  • Data loss or corruption
  • Service interruptions or errors
  • Damages from service use
  • Third-party actions

6.3 Maximum Liability

The service provider’s liability shall not exceed the amount paid by the user (currently $0 as the service is free).

7. Third-Party Services

7.1 External Libraries

This service uses the following third-party libraries:

  • SheetJS (xlsx.js)
  • Bulma CSS
  • Font Awesome

These libraries have their own licenses.

7.2 Analytics and Ads

  • Google Analytics for usage statistics
  • Google AdSense for ad serving
  • Governed by Google’s terms of service

8. Privacy

Personal information processing follows our Privacy Policy.

Key Points:

  • Files are not sent to the server
  • No collection of personally identifiable information
  • Use of Google Analytics and AdSense
  • Users can opt-out anytime

9. Service Suspension and Termination

9.1 Service Suspension

The service provider may suspend the service:

  • For maintenance or updates
  • For security reasons
  • Due to force majeure

9.2 User Restrictions

The service provider may restrict user access:

  • If Terms are violated
  • If illegal activities are detected
  • If service operation is threatened

10. Changes to Terms

10.1 Modification Rights

  • The service provider may modify these Terms at any time
  • Changes will be announced on the website
  • Continued use after changes constitutes acceptance

10.2 Notification

  • Important changes will be announced in advance
  • Users should check Terms regularly

11. Governing Law and Jurisdiction

11.1 Applicable Law

These Terms are governed by the laws of the Republic of Korea.

11.2 Dispute Resolution

  • Disputes will be resolved through mutual consultation
  • If consultation fails, the court of competent jurisdiction in Seoul will have jurisdiction

12. Contact

For questions or reports regarding these Terms:

  • Contact via GitHub Issues
  • Response within reasonable time

13. Miscellaneous

13.1 Severability

If any provision of these Terms is invalid, the remaining provisions remain in effect.

13.2 Entire Agreement

These Terms constitute the entire agreement between users and the service provider.

13.3 No Waiver

Failure to enforce any provision does not constitute waiver of that right.

Effective Date: October 23, 2025 Last Updated: October 23, 2025

Quick Summary

For Users:

  • ✅ Free service, no registration required
  • ✅ Files processed only in browser
  • ✅ Service provided “as is”
  • ⚠️ Use at your own responsibility
  • ⚠️ Service provider not liable for data loss

For Service Provider:

  • ✅ May change or discontinue service anytime
  • ✅ May modify Terms anytime
  • ✅ No liability for service issues
  • ✅ Can restrict abusive users

Thank you for using our service!

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