Contact Us
Last updated: October 15, 2026
We read every message. Whether you have feedback, found a bug, want to suggest a new calculator, or need help understanding a result - we want to hear from you.
Email Us
The fastest way to reach us is by email. We respond to most messages within 48 business hours.
General support
support@qudexa.com
Editorial & content
editor@qudexa.com
Privacy & legal
legal@qudexa.com
What to Include
To help us respond faster, please include:
- For bug reports: the calculator name, the values you entered, and what result you expected
- For feedback: which page and what could be better
- For calculator requests: what you want to calculate and why it matters to you
- For content corrections: the specific claim and a link to a source that proves the correction
Response Times
- General support: within 48 business hours
- Bug reports: within 24 business hours
- Content corrections: within 5 business days
- Privacy requests: within 30 days (as required by law)
Common Questions
Is my calculator data stored?
No. All calculations run entirely in your browser. We never see or store the numbers you enter.
Can I suggest a new calculator?
Yes, and we love it when you do. Send your idea to support@qudexa.com. Include what you want to calculate and where you would use it - it helps us prioritize.
I found an error in a calculator. What should I do?
Please email support@qudexa.com with the calculator name, the values you entered, and what result you expected. We investigate every report and correct errors quickly.
How do I request data deletion?
We do not store personal calculator data. If you have submitted an email or contact request and want it removed, email legal@qudexa.com and we will delete it within 30 days.
Do you accept advertising?
Qudexa is supported by display advertising through Google AdSense. We do not accept paid placements, sponsored reviews, or affiliate content disguised as editorial.
Mailing Address
Qudexa is a digital-first publisher. For legal correspondence, email legal@qudexa.com and we will provide a mailing address if needed.