Privacy Policy

Last updated: June 26, 2026

1. Introduction

This Privacy Policy explains how MZChecker collects, uses, stores, and protects information when people visit the website, create accounts, or use MZChecker tools. MZChecker offers YouTube tools, YouTube channel analysis, earnings estimates, thumbnail downloading, channel ID lookup, tag-related utilities, and premium TikTok and Instagram checker features.

By using the website, you understand that certain technical and account information may be processed so the service can function, stay secure, and improve over time.

2. Information We Collect

MZChecker may collect or process several categories of information:

• Information users provide directly, such as an account email address during signup, login, or account use.
• Login and session-related information needed to keep accounts signed in, protect sessions, and maintain secure access.
• Account and premium-related details, such as plan type, premium status, and premium expiration data.
• URLs, usernames, or other checker inputs submitted for YouTube, TikTok, or Instagram analysis.
• Usage and technical data such as browser type, device type, pages visited, IP address, logs, timestamps, and diagnostic information.
• Cookies and similar technologies used for sessions, preferences, analytics, security, and future advertising support.

3. How We Use Information

MZChecker may use information to:

• Provide, maintain, and improve the website and its tools.
• Manage login, signup, account access, and secure session handling.
• Manage premium TikTok and Instagram checker access and enforce plan-based restrictions where needed.
• Process checker requests and return structured tool results.
• Prevent abuse, spam, fraud, automated misuse, and rate-limit violations.
• Improve security, reliability, performance, and the overall user experience.
• Support analytics, diagnostics, and advertising features if enabled in the future.

4. Cookies

MZChecker may use cookies and similar technologies for login sessions, saved preferences, analytics, security checks, and advertising support.

Users can disable cookies in their browser settings. However, login and premium account functions may not work properly if cookies are turned off.

5. Google AdSense and Advertising

MZChecker may display advertisements in the future. Third-party vendors, including Google, may use cookies to serve ads based on a user's previous visits to this website or other websites.

Google and its partners may use advertising cookies to serve personalized or non-personalized ads based on visits to MZChecker and/or other sites on the internet.

Users may opt out of personalized advertising by visiting Google Ads Settings Third-party vendors and ad networks may also use cookies, web beacons, or similar technologies. No real AdSense publisher IDs are included on this page.

6. Analytics

MZChecker may use analytics services such as Google Analytics or similar traffic measurement tools to understand how visitors use the website and improve page speed, content clarity, and tool performance.

7. Third-Party Services

MZChecker may rely on third-party services to operate the website:

• Supabase for authentication, database operations, account management, caching, and security-related service functions.
• YouTube API or YouTube-related services for YouTube tools and channel-related data.
• TikTok and Instagram third-party data providers for premium features if those integrations are enabled.
• Hosting providers and supporting infrastructure services that help keep the platform available and responsive.
• Analytics and advertising services that may be used to understand traffic or support future monetization features.

8. Premium Accounts

Premium account status may be stored in a user profile so MZChecker can determine whether premium-only tools should be available.

Account information is used to manage access, provide support, protect service security, and maintain subscription readiness and related administrative functions.

9. Data Retention

MZChecker keeps account information, technical logs, and related usage data only for as long as reasonably needed to provide the service, maintain security, support legal compliance, improve operations, or handle support and abuse-prevention needs.

10. Data Security

MZChecker uses reasonable technical and administrative measures to help protect information from unauthorized access, misuse, or loss. No internet-based service can be guaranteed to be 100% secure.

11. User Rights

Users may request access to personal information, ask for corrections, or request deletion of personal data by contacting MZChecker. Some requests may be limited where retention is reasonably required for security, operations, or legal compliance.

12. Children's Privacy

MZChecker is not intended for children under 13 and does not knowingly collect personal information from children under 13.

13. External Links

MZChecker may contain links to YouTube, TikTok, Instagram, affiliate tools, recommended creator tools, or other external websites. MZChecker is not responsible for the privacy practices, content, or policies of third-party websites.

14. Changes to This Privacy Policy

MZChecker may update this Privacy Policy from time to time. When the policy changes, the updated date shown on this page may also be revised.

15. Contact

For privacy questions, contact us at: support@mzchecker.com