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Have a question, suggestion, or found a bug? We'd love to hear from you.
General Inquiries
Questions about our calculator, tipping guides, or anything else? Drop us a line.
Bug Reports & Feedback
Found something broken or have an idea to improve the tool? We take every report seriously.
Privacy & Legal
For privacy requests, GDPR or CCPA inquiries, DMCA notices, or legal matters.
Backup Contact
If you haven't received a response within 3 business days, try our backup address.
⏱️ Response Times
• General inquiries: 1–2 business days
• Bug reports: 1–3 business days
• Privacy / GDPR requests: within 5 business days
• DMCA notices: within 5 business days
• Legal matters: within 10 business days
We are a small independent team. We read every message personally and do our best to respond promptly.
Business hours: Monday – Friday, 9:00 AM – 6:00 PM (UTC+8)
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