Privacy Policy

Last updated: July 1, 2026

1. Overview

This Privacy Policy describes how Duc Nguyen ("Operator", "we", "us") collects, uses, and protects information when you visit nguyenminhduc9988.github.io and any associated subdomains (collectively, the "Site").

2. Information We Collect

2.1 Information You Provide

Tool inputs: Text, code, or data you enter into AI-powered tools. This data is processed to generate responses and is not permanently stored on our servers.
Contact information: If you contact us via email or forms, we collect your name and email address.
Affiliate program: If you join our affiliate program, we collect your name, email, and payment details (processed by Stripe/PayPal).
Purchase information: Digital product purchases are processed through third-party platforms (Gumroad, Payhip). We do not directly collect payment information.

2.2 Automatically Collected Information

Usage analytics: We use Google Analytics (GA4) to collect anonymous usage data including page views, device type, browser, and general geographic location.
Advertising data: Google AdSense may collect data for ad personalization as described in Google's Privacy Policy.
Server logs: Our hosting providers (GitHub Pages, Hetzner) may collect standard server log data (IP address, request path, user agent, timestamp).

3. How We Use Your Information

To provide and improve AI-powered tools and services.
To process affiliate payments and track referral commissions.
To analyze Site usage and improve user experience (via Google Analytics).
To serve relevant advertisements (via Google AdSense).
To respond to inquiries and provide customer support.

4. Tool Data Handling

AI tools on the Site process your inputs in real-time to generate responses. Tool inputs are:

Not permanently stored on our servers (processed in-memory only).
May be transmitted to third-party AI API providers for processing.
Not used to train AI models unless the API provider's terms specify otherwise.

For specific tool data handling, refer to the relevant AI provider's privacy policy:

5. Cookies & Tracking Technologies

We use cookies and similar technologies for:

Purpose	Cookies	Duration	Control
Essential	None (static site)	—	Required
Analytics	_ga, _ga_*	Up to 2 years	Opt-out below
Advertising	__gads, __gpi, IDE, NID	Up to 13 months	Opt-out below
Affiliate Tracking	ref cookie (if applicable)	30 days	Required for commissions

Opting Out

Google Analytics: Install the Google Analytics opt-out browser add-on.
Google AdSense: Visit Google Ad Settings to manage ad personalization.
Browser settings: Most browsers allow you to block or delete cookies in settings.

6. Third-Party Services

The Site integrates with the following third-party services, each with their own privacy policies:

Google Analytics: Web analytics. Privacy Policy
Google AdSense: Advertising. Advertising Policies
Gumroad: Digital product sales. Privacy Policy
Payhip: Digital product sales. Privacy Policy
Stripe: Payment processing. Privacy Policy
GitHub Pages: Hosting. Privacy Statement

7. Data Security

We implement reasonable security measures to protect your information. However, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security of your data.

8. Data Retention

Tool inputs: Not retained (processed in-memory only).
Affiliate data: Retained for the duration of the affiliate relationship and 2 years after termination for tax/compliance purposes.
Analytics data: Retained by Google Analytics per their data retention settings (default: 14 months for raw data, 26 months for aggregated data).
Server logs: Retained by hosting providers per their standard retention policies.

9. Your Rights

Depending on your jurisdiction, you may have the right to:

Access the personal data we hold about you.
Request correction of inaccurate data.
Request deletion of your data.
Object to or restrict processing of your data.
Data portability (receive your data in a structured format).

To exercise these rights, contact us at the address below. We will respond within 30 days.

10. Children's Privacy

Our services are not directed at individuals under 16. We do not knowingly collect personal information from children. If we discover such data, we will delete it promptly.

11. International Transfers

Your data may be transferred to and processed in countries other than your own. Third-party services (Google, Gumroad, Payhip, Stripe) operate globally. By using the Site, you consent to such transfers.

12. Changes to This Policy

We may update this Privacy Policy periodically. Changes are posted on this page with an updated "Last updated" date. Continued use of the Site constitutes acceptance of the updated policy.

13. Contact

For privacy-related inquiries:

Duc Nguyen
Email: contact via GitHub or bigwinner.work