Contact
Last updated:
Write to us
The fastest way to reach HerramientasGratis is the email address at the end of this page. Every message is read personally and answered as soon as possible.
If you found a bug
So we can reproduce and fix it quickly, please include:
- The name or address of the tool or guide.
- The data you entered and the result you got.
- The result you expected and, if you have one, a source that supports it.
- The browser and device you were using (for example, Chrome on Android).
Tool and guide suggestions
If you are missing a calculator, converter or guide, tell us what you need it for: it helps us decide what to add next.
Privacy and personal data
If you have an account, you can download your data and delete your account yourself from the dashboard. For any other access, correction, deletion or objection request, write to us from the email linked to your account. See the privacy policy for details.
Advertising and partnerships
We do not publish sponsored content or paid links inside guides. If you have a partnership proposal that fits that rule, use the same email address.