Terms and Conditions
Last updated: October 7, 2026
1. Acceptance of terms
By using mastertool.dev you agree to these terms. If you do not agree, please do not use the site. The site is operated by MasterTool, contactable at contact@mastertool.dev.
2. Description of service
MasterTool provides free online calculators, converters and generators for general information and estimation purposes. All calculations run in your browser.
3. No professional advice
Results are estimates only. They are not financial, tax, medical, legal, electrical, aviation or veterinary advice. Verify results with a qualified professional and with official sources before acting on them.
4. Accuracy
Formulas, fee tables, tax brackets and reference data are provided in good faith and updated periodically, but may be out of date or contain errors. MasterTool is not liable for decisions made based on tool output.
5. Acceptable use
You agree not to misuse the site, including automated scraping that degrades the service, attempts to disrupt or compromise the site, or any unlawful use.
6. Intellectual property
Site content, design and tools belong to MasterTool. You may use the results of tools freely for personal and internal business purposes.
7. Third-party links and advertising
The site links to third-party sites (such as official fee pages) that we do not control. The site may display advertising in the future; ads are provided by third parties and do not constitute endorsement.
8. Disclaimer of warranties
The site and all tools are provided "as is" and "as available", without warranties of any kind, express or implied, including fitness for a particular purpose and accuracy.
9. Limitation of liability
To the fullest extent permitted by law, MasterTool is not liable for any indirect, incidental or consequential loss, or any loss arising from reliance on tool results.
10. Changes to these terms
We may update these terms. Changes are announced by updating the "Last updated" date on this page; continued use after changes means you accept them.
11. Contact
Questions about these terms: contact@mastertool.dev.