Have a question? Found an issue? Want to suggest a new feature?
We’d love to hear from you!
Whether you’re a user, developer, educator, or just curious about how HST works — our inbox is always open.
Email Us
For all inquiries, feedback, or support, reach out at:
We typically respond within 2–3 business days.
Common Reasons People Contact Us:
- 🧾 Reporting a miscalculation or incorrect rate
- 🛠️ Requesting a new tool feature (e.g., multi-item calculator, CSV download)
- 💬 Asking for guidance on using the tool
- 🤝 Collaboration or partnership inquiries
- 📢 Media or blog outreach
Please Note:
We are not a government organization or registered tax advisors.
For official HST guidance, consult the Canada Revenue Agency at www.canada.ca. Read our privacy policy.
Thank You!
We’re proud to serve Canadians from coast to coast with a fast, free, and reliable HST calculator.
Your feedback helps us make the tool better every day.
Let’s simplify tax, one click at a time.