# License Overview

This project uses a **Mixed License / Source-Available** model.

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## 📋 Quick Summary

| Component Type           | License               | Commercial Use                   |
| ------------------------ | --------------------- | -------------------------------- |
| Upstream (from ConvertX) | AGPL-3.0              | ✅ Allowed (with source sharing) |
| Author Original          | Custom Non-Commercial | ❌ Requires Permission           |

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## 1. Upstream Components (AGPL-3.0)

### What's Covered

Core functionality derived from [C4illin/ConvertX](https://github.com/C4illin/ConvertX):

- Base application architecture
- Original converter integrations
- Core API structure

### Your Obligations

Under AGPL-3.0, if you modify and deploy this software as a network service:

1. ✅ You must make your modified source code available
2. ✅ You must include the AGPL-3.0 license
3. ✅ You must state your changes

### Full License

See [LICENSE](LICENSE) for the complete AGPL-3.0 text.

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## 2. Author Original Components (Custom Non-Commercial)

### What's Covered

All original work created by the ConvertX-CN author:

- 🌐 **i18n / Localization** - 65+ language translations
- 🎨 **UI Enhancements** - Custom interface improvements
- 📊 **PDF Translation** - PDFMathTranslate, BabelDOC integrations
- 📄 **MinerU Integration** - PDF to Markdown conversion
- 🔧 **New Converters** - Additional format support
- 📚 **Documentation** - Chinese documentation
- 🐳 **Docker Optimizations** - Multi-arch builds, CJK fonts

### Permissions

| Use Case                | Allowed?                 |
| ----------------------- | ------------------------ |
| Personal use            | ✅ Yes                   |
| Educational use         | ✅ Yes                   |
| Non-commercial research | ✅ Yes                   |
| Commercial / SaaS       | ❌ No (requires license) |

### Full License

See [LICENSE-AUTHOR](LICENSE-AUTHOR) for the complete terms.

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## 🤝 Commercial Licensing

If you want to use ConvertX-CN in a commercial context:

### Contact Methods

1. **GitHub Issues**: https://github.com/pi-docket/ConvertX-CN/issues
   - Create an issue with title: `[Commercial License Request]`

2. **GitHub Discussions**: https://github.com/pi-docket/ConvertX-CN/discussions
   - Start a discussion in the appropriate category

3. **GitHub Profile**: https://github.com/pi-docket
   - Check profile for additional contact information

### What to Include

When requesting a commercial license, please provide:

- Company/Organization name
- Intended use case
- Expected scale of deployment
- Contact information

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## ❓ FAQ

### Q: Can I self-host for my company's internal use?

**A:** Internal use without external revenue generation is generally permitted.
If unsure, please contact us.

### Q: Can I offer this as a paid service?

**A:** No. You need a commercial license for SaaS or paid services.

### Q: Do I need to share my modifications?

**A:** For AGPL-3.0 components: Yes, if you deploy as a network service.
For author components: Depends on your license agreement.

### Q: Can I fork and create my own version?

**A:** Yes, but:

- AGPL-3.0 components must remain AGPL-3.0
- Author components cannot be used commercially without permission

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## 📞 Contact

- **GitHub**: [@pi-docket](https://github.com/pi-docket)
- **Repository**: [ConvertX-CN](https://github.com/pi-docket/ConvertX-CN)
- **Issues**: [Report Issues](https://github.com/pi-docket/ConvertX-CN/issues)
- **Discussions**: [Community](https://github.com/pi-docket/ConvertX-CN/discussions)