Privacy Policy

1. Data Controller & Operator

At TechTools (https://techtools-chi.vercel.app), we prioritize the privacy and security of our visitors. This Privacy Policy outlines what information is collected, how it is used, and how you can exercise full control over your personal data.

2. Client-Side Execution (Zero-Storage Policy)

Our technical calculators, string converters, hash generators, and network computation tools operate entirely within your browser using client-side JavaScript.

Your calculation parameters, passwords entered for entropy checking, IP addresses submitted for subnet calculations, and converted files are never transmitted to, stored on, or logged by our servers.

3. Google AdSense & Third-Party Advertising

TechTools uses Google AdSense and authorized third-party ad vendors to display contextual and personalized advertising to support the ongoing maintenance of our free tools.

• Third-Party Vendors: Google, as a third-party vendor, uses cookies to serve ads on TechTools based on previous visits to this website and other websites across the Internet.
• DART Cookies: Google’s use of advertising cookies (including the DoubleClick / DART cookie) enables it and its partners to serve ads to users based on their visit to TechTools and/or other sites on the Internet.
• Opting Out of Personalized Advertising: Users may opt out of personalized advertising at any time by visiting Google Ads Settings. Alternatively, you can opt out of third-party vendor use of cookies for personalized advertising by visiting www.aboutads.info or Your Online Choices (EU).

4. Server Logs & Web Analytics

Like most web platforms, our hosting infrastructure automatically creates standard log files when visitors access pages. These logs may record:

• Internet Protocol (IP) addresses (anonymized where required)
• Browser type and version
• Operating system
• Date and time stamps
• Referring and exit URLs

This technical data is processed strictly for infrastructure monitoring, DDoS defense, bot mitigation, and service stability, and is never linked to personally identifiable profiles.

5. Your Data Protection Rights (GDPR & CCPA)

Depending on your jurisdiction, you possess the right to access, rectify, or request deletion of any personal data you have voluntarily provided to us (e.g., via direct email correspondence).

To exercise any privacy rights, contact our data protection administrator at: contacto.webproyectos@gmail.com.