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Terms of use

Last updated: 21 October 2026. This is a translation; the Spanish version prevails in case of discrepancy.

1. Acceptance

By using zero7files.com you accept these terms. If you don't agree with them, please don't use the service.

2. What Zero7Files is

Zero7Files is a free set of tools that run in your browser: merging and splitting PDFs, combining and splitting Excel sheets, converting between CSV, JSON and Excel, compressing and converting images, creating eBooks from PDFs, other converters, and a natural-display scientific calculator. All processing happens on your own device: your files are not uploaded to our servers. Details are in the privacy policy.

3. Free of charge

We don't charge for any tool and there are no paid plans or subscriptions. The service is funded by advertising.

4. Advertising

5. Provided "as is"

We do our best for the tools and the calculator to give correct results, but they're provided as is, without warranties of accuracy or fitness for a particular purpose. Always keep a copy of your original files and check results before using them in academic, financial or professional work. The calculator is a support tool and doesn't replace an approved instrument in exams or a professional's verification.

6. Acceptable use

Don't use the service to process illegal content, distribute malware, infringe copyright or try to damage or overload the site.

7. Intellectual property

Your files and the results you get are yours: we claim no rights over them. The design, text and code of Zero7Files belong to its owner. The open-source libraries used keep their own licences.

8. Liability

To the extent permitted by law, we're not liable for data loss or damages arising from use of the site. Since everything happens in your browser, results also depend on your device and browser.

9. Changes

We may update these terms; the date above shows the latest version.

10. Contact

For any questions, write to zero7files@gmail.com or visit the contact page.