Terms of Use

1. Acceptance of terms

By accessing or using ruler. (the “Service”), you agree to these Terms of Use. If you do not agree, please do not use the Service.

2. Description of the Service

ruler. is a free, browser-based screen ruler. It provides measurement tools and conversion features that run entirely in your web browser. No account is required.

3. Free use

The Service is provided free of charge for personal and commercial use. We reserve the right to modify, suspend, or discontinue any part of the Service at any time without notice.

4. Acceptable use

You agree not to:

• Use the Service for any unlawful purpose or in violation of any applicable law.
• Attempt to disrupt, overload, or reverse-engineer the Service.
• Redistribute or resell the Service, or scrape its content, without permission.
• Misrepresent measurements obtained through the Service in a way that causes harm.

5. No warranties

The Service is provided on an “as is” and “as available” basis, without warranties of any kind, either express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

While we work hard to make measurements accurate, measurement results depend on your screen, your calibration, and the physical conditions of your device. Measurements are estimates intended for general use and should not be relied upon for medical, legal, safety-critical, or financial decisions.

6. Limitation of liability

To the maximum extent permitted by law, ruler. and its operators shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenues, whether incurred directly or indirectly, or any loss of data, arising from your use of the Service.

7. Intellectual property

The Service, including its design, code, and original content, is protected by applicable copyright and other intellectual property laws. You may not copy or reproduce the Service’s core functionality as your own product without prior written permission.

8. Third-party links

The Service may link to third-party websites (including our sibling tools). We are not responsible for the content or practices of those sites.

9. Changes to these terms

We may update these Terms from time to time. Continued use of the Service after changes are posted constitutes acceptance of the revised Terms.

10. Contact

Questions about these Terms? Reach us through the contact page.