Contact Us
We’d love to hear from you. Whether it’s a bug, an idea, or a business inquiry, the fastest way to reach the Esytol team is by email.
Response time: Esytol is an independent, open-source project. We read every message and typically reply within 2–3 business days. For anything code-related, a GitHub issue is often the quickest path.
Bug reports
Found a wrong number or a broken control? Open a GitHub issue with the tool name, your inputs, and what you expected — or email us. Reproducible reports get fixed fastest.
Feature requests
Want a new calculator or an option on an existing one? Tell us the use case. We prioritise requests that help the most people.
Business inquiries
Partnerships, licensing, embedding a calculator, or press — email us with a short description and we’ll route it to the right person.
Privacy & data
Questions about how Esytol handles data? Everything runs in your browser and we store no personal data — but we’re happy to answer specifics.