Terms of Use

Last updated: May 29, 2026

1. Definitions

• "Service" means the pdsigner.com website, the PD Signer desktop application, the PD Signer Bridge browser extension and any related APIs operated by us.
• "You" means the individual or legal entity using the Service.
• "License" means the right to use the desktop application as defined in the End-User License Agreement (EULA).

2. Eligibility

You must be at least 18 years old, or have the legal capacity to enter into a binding agreement in your jurisdiction, to use the Service. If you are using the Service on behalf of an organization, you represent that you are authorized to bind that organization to these Terms.

3. Acceptable use

You agree not to:

• Reverse engineer, decompile or disassemble any part of the Service except as expressly permitted by law.
• Circumvent or attempt to circumvent license enforcement, watermarking or telemetry.
• Use the Service to sign documents you are not legally authorized to sign, or to impersonate another person.
• Resell, sublicense, rent or lease the Service without our written permission.
• Use the Service to violate any applicable law, including data protection, electronic signature and export-control regulations.
• Probe, scan or test the vulnerability of the Service, or attempt to bypass any security or authentication measure.

4. Accounts and licenses

A license is bound to a specific machine via a hardware-derived fingerprint. You are responsible for keeping your license key confidential. You may request a license transfer by emailing info@pdsigner.com. Repeated unauthorized transfer attempts may result in license suspension.

5. Intellectual property

The Service, including all source code, binaries, documentation, trademarks and visual assets, is owned by the Service operator and protected by copyright, trademark and other laws. These Terms do not transfer any intellectual-property rights to you beyond the limited license granted in the EULA.

6. Third-party components

The Service includes open-source components distributed under their own licenses. A list of those components and their licenses is included in the desktop application's "About" screen.

7. Disclaimers

The Service is provided "as is" and "as available", without warranties of any kind, express or implied, including but not limited to fitness for a particular purpose, merchantability and non-infringement. We do not warrant that the Service will be uninterrupted, error-free, or that any cryptographic signature produced through the Service will be accepted by any specific recipient or authority.

8. Limitation of liability

To the maximum extent permitted by law, we are not liable for any indirect, incidental, special, consequential or punitive damages, including loss of profits, data or goodwill, arising out of or relating to your use of the Service. Our aggregate liability for direct damages is limited to the amount you paid for the Service in the twelve (12) months preceding the event giving rise to the claim.

9. Indemnification

You agree to indemnify and hold us harmless from any claim, loss, damage or expense (including reasonable legal fees) arising out of your breach of these Terms, your misuse of the Service, or your violation of any third-party rights.

10. Suspension and termination

We may suspend or terminate your access to the Service if you breach these Terms, if your license is revoked, or if continued provision of the Service to you exposes us to legal risk. You may stop using the Service at any time by uninstalling it.

11. Changes to these Terms

We may update these Terms as the Service evolves. Material changes will be highlighted on the website. Continued use of the Service after a change takes effect constitutes acceptance of the updated Terms.

12. Governing law

These Terms are governed by the laws of the Republic of Türkiye, without regard to its conflict-of-laws rules. Any dispute arising out of these Terms shall be subject to the exclusive jurisdiction of the courts of Istanbul, Türkiye.

13. Contact

Questions about these Terms: info@pdsigner.com.