GDPR & AdSense Compliance

Privacy Policy

Last Updated: October 20, 2026 | Official Portal: en.zezquick.com | Support: contato@zezquick.com

Your privacy is of paramount importance to ZezQuick (en.zezquick.com). This policy outlines our data practices in strict compliance with the European Union General Data Protection Regulation (GDPR — Regulation 2016/679), the California Consumer Privacy Act (CCPA/CPRA), and Google AdSense Partner Privacy Policies.

By accessing ZezQuick and using any of our free online calculation, engineering, conversion, and financial tools, you acknowledge and accept the terms of this Privacy Policy.

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1. Information Collection & Client-Side Privacy

ZezQuick is architected under the principle of Privacy by Design. All mathematical formulas, engineering calculators, converters, and text utilities execute 100% client-side directly within your web browser. Numerical entries, financial figures, dimensions, and text inputs are never transmitted to, processed by, or stored on any external server or database.

1.1. Automated Technical Log Data

As is standard with web services, when accessing our portal, our web hosting infrastructure may record standard connection logs, including:

• Anonymized or truncated Internet Protocol (IP) address;
• Browser brand, version, and language header (User-Agent);
• Device operating system and screen resolution;
• Timestamp and duration of visits;
• Referring URL and requested page paths.

These server logs are utilized strictly for technical diagnostics, server load balancing, DDoS attack mitigation, and continuous performance optimization.

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2. Cookies & Google AdSense Disclosure

Cookies are small text files placed on your device to retain user preferences, maintain session security, and support advertising delivery.

2.1. Third-Party Vendors & The Google DoubleClick Cookie

To sustain completely free, unrestricted access to all 50+ calculation tools without charging subscriptions or paywalls, ZezQuick displays advertising served by Google AdSense (Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA).

In accordance with Google Partner Privacy Requirements:

• Third-party vendors, including Google, use cookies to serve ads based on prior visits to this website or other websites across the Internet.
• Google's use of advertising cookies enables it and its partners to serve ads based on your visit to ZezQuick and/or other sites on the Internet.
• These advertising cookies do not collect personally identifiable information (such as your full legal name or physical address) and instead rely on pseudonymous identifiers.

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3. Cookie Preferences & Opt-Out Options

Users maintain complete control over cookie storage. You can opt out of personalized advertising through the following official channels:

3.1. Industry Self-Regulatory Opt-Out Portals

Alternatively, you may opt out of third-party interest-based advertising via accredited industry coalitions:

• Digital Advertising Alliance (DAA): https://www.aboutads.info/choices/
• Network Advertising Initiative (NAI): https://optout.networkadvertising.org/
• European Interactive Digital Advertising Alliance (EDAA): https://www.youronlinechoices.com/

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4. Contact & Data Protection Officer (DPO)