Contact
You can reach us via email:
📧 General Inquiry
Use this email for support, feature requests, partnerships, and feedback on calculator accuracy.
⚖️ Copyright Notice
liuhuishan1982@gmail.com (please include "[Copyright Notice]" in subject)
Please include:
- Your identity (individual or company) and contact details
- Specific page or feature involved
- Reason for the claim and initial proof of rights
We aim to respond within 7 business days.
🐛 Bug Report
To help us reproduce issues, please provide:
- OS and browser version (for example, Windows 11 + Chrome 120)
- Calculator page URL
- Inputs you used (you may anonymize sensitive figures)
- Console errors (F12) screenshot
💡 Feature Suggestions
Especially welcome:
- Additional marketplaces (Shopify, Etsy, Temu, AliExpress, TikTok Shop, etc.)
- Region/currency-specific fee tables
- Updates to existing fee schedules when official rates change