Privacy Policy

Last Updated: February 9, 2026

Welcome to Tools Hub (hereinafter referred to as "we", "the Platform" or "our Services"). We understand that privacy is important to you, and we are committed to protecting your personal information. This Privacy Policy details how we collect, use, store, and protect your information, as well as the rights you have over your personal data.

By using Tools Hub's services, you agree to the practices described in this Privacy Policy. If you do not agree with any part of this policy, please do not use our services.

1. Data Collection Overview

Tools Hub is an online tools platform that emphasizes privacy protection. Our core principle is:Your data belongs entirely to you. Here are the key points of our data collection policy:

1.1 Data We Do NOT Collect

• Tool Input Data: All data you enter when using tools like JSON Formatter, Text Compare, IRR Calculator, etc., is processed entirely in your browser locally and never uploaded to our servers.
• Personal Identification Information: We do not require you to register an account, so we do not collect names, email addresses, phone numbers, or other personal identification information.
• Payment Information: Our services are completely free and do not involve any payments, so we do not collect any financial information.
• Location Data: We do not track or collect your precise geolocation information.

1.2 Data We May Collect

To improve service quality and user experience, we may collect the following anonymous information through third-party services:

• Usage Statistics: Page views, session duration, bounce rates, and other aggregate statistical data (via Google Analytics or Umami).
• Device Information: Browser type, operating system, screen resolution, and other technical information to optimize website compatibility.
• Referral Sources: How you discovered our website (such as search engines, links from other websites, etc.).

Important Note: All of the above data is anonymous and aggregated, and cannot be used to identify specific individuals.

2. Local Storage (LocalStorage and SessionStorage)

To provide a better user experience, some of our features may use browser local storage technology:

2.1 LocalStorage Usage

• User Preferences: Save your theme preferences (light/dark mode), language selection, and other settings.
• Tool History: Some tools may save recently used input content for your convenience next time.
• Favorites Feature: If you favorite certain tools or settings, this information is saved locally.

2.2 Your Control

• All LocalStorage data is stored only in your browser, and we cannot access it.
• You can clear this data at any time through your browser settings.
• After clearing browser data, your preference settings will revert to defaults.

2.3 How to Clear Local Storage Data

You can clear locally stored data by following these steps:

• Chrome: Settings → Privacy and security → Clear browsing data → Select "Cookies and other site data"
• Firefox: Options → Privacy & Security → Cookies and Site Data → Clear Data
• Safari: Preferences → Privacy → Manage Website Data → Remove relevant data
• Edge: Settings → Privacy, search, and services → Clear browsing data

3. Cookie Policy

Cookies are small text files stored on your device to remember your preferences and improve browsing experience.

3.1 Types of Cookies We Use

3.2 Managing Your Cookie Preferences

You can manage cookies through the following methods:

• Disable all cookies in browser settings (may affect website functionality)
• Selectively block third-party cookies
• Use your browser's "Do Not Track" feature
• Regularly clear stored cookies

Note: Disabling cookies may affect some website features, but will not affect core tool usage.

4. Third-Party Services

To operate and improve our services, we use the following third-party services:

4.1 Google Analytics (Analytics Service)

• Purpose: Collect anonymous website usage statistics to help us understand user behavior and improve services.
• Data Collected: Page views, session duration, device type, browser type, geographic region (country/city level).
• Privacy Policy: Google Privacy Policy
• Opt-Out Option: You can install the Google Analytics Opt-out Browser Add-on

4.2 Umami Analytics (Analytics Service)

• Purpose: Provide simple, privacy-focused website analytics.
• Features: Umami does not use cookies, complies with GDPR requirements, and data is completely anonymous.
• Official Website: Umami

4.3 Google AdSense (Advertising Service)

• Purpose: Display ads to support free operation of the website.
• Personalized Ads: Google may display personalized ads based on your interests. You can manage ad preferences in Google Ad Settings.
• Privacy Policy: Google Privacy Policy

4.4 CDN and Hosting Services

• We use Content Delivery Networks (CDN) to accelerate website loading speed.
• CDN providers may record basic access logs (IP address, request time, etc.) for security and performance monitoring.

5. Data Security

Although we do not collect and store your personal data, we still take the following measures to ensure platform security:

• HTTPS Encryption: All website communications are transmitted via HTTPS encryption to prevent data theft or tampering.
• Pure Frontend Processing: All tools run in your browser locally, and data never leaves your device.
• No Backend Storage: We do not have a backend database for storing user data.
• Regular Security Audits: We regularly check and update website code to fix potential security vulnerabilities.
• Dependency Management: We promptly update third-party libraries and dependencies to ensure the latest security versions are used.

5.1 Your Security Responsibilities

To better protect your privacy, we recommend you:

• Clear browser history and local storage data after using public computers.
• Use the latest version of your browser for the best security protection.
• Be careful to identify phishing websites and ensure you are visiting the official website (starchentech.com).
• If handling sensitive data, we recommend using private browsing mode.

6. Your Rights

Under applicable data protection laws (including GDPR and CCPA), you may have the following rights:

6.1 Right to Access

You have the right to know whether we are processing your personal data and to obtain a copy of the relevant information. Since we do not collect personal data, this right mainly applies to anonymous statistical data collected through third-party services (such as Google Analytics).

6.2 Right to Deletion (Right to be Forgotten)

You have the right to request deletion of your personal data. Since we do not store personal data, you can exercise this right through the following methods:

• Clear your browser's LocalStorage and Cookies to delete all locally stored data.
• Use Google's privacy tools to manage or delete data collected by Google.

6.3 Right to Opt-Out

You can choose to opt out of:

• Analytics Tracking: Use your browser's "Do Not Track" feature or install ad blockers.
• Personalized Ads: Turn off personalized ads in Google Ad Settings.
• Cookies: Disable cookies in your browser settings.

6.4 Right to Complain

If you believe we have violated data protection regulations, you have the right to lodge a complaint with the relevant data protection supervisory authority.

7. Children's Privacy Protection

Tools Hub's services are intended for the general public, and we do not knowingly collect personal information from children under 16 years of age.

• We do not require users to register or provide age information.
• We do not design or market our services to children.
• If we discover that we have inadvertently collected personal information from children, we will delete it immediately.
• If parents or guardians discover that their children have provided personal information to us, please contact us through the contact methods below.

8. International Data Transfer

As we use global third-party services (such as Google Analytics, Google AdSense), some of your anonymous data may be transferred to servers outside your country/region for processing.

• These data transfers are subject to the privacy policies and data protection agreements of the relevant service providers.
• Google has ensured compliance of cross-border data transfers through Standard Contractual Clauses (SCC).
• The third-party services we have selected comply with major data protection regulations such as GDPR.

9. Privacy Policy Changes

We may update this Privacy Policy from time to time to reflect:

• Changes in service features
• Updates to laws and regulations
• Changes to third-party services
• Improvements based on user feedback and best practices

Notification Method: Any significant changes will be posted on this page and the "Last Updated" date will be updated. For significant changes affecting user rights, we may post a notice on the website homepage.

We recommend that you regularly review this page to stay informed of the latest privacy policy. Continued use of our services indicates your acceptance of the updated policy.

10. Contact Us

If you have any questions, comments, or complaints about this Privacy Policy, or wish to exercise your data protection rights, please contact us through the following methods:

We are committed to addressing your privacy concerns. If you are unsatisfied with our response, you may lodge a complaint with the relevant data protection supervisory authority.

11. Additional Information

11.1 Governing Law

This Privacy Policy is governed by the laws of the People's Republic of China. For EU users, we also comply with the relevant provisions of the General Data Protection Regulation (GDPR). For California residents, we comply with the relevant provisions of the California Consumer Privacy Act (CCPA).

11.2 Policy Version History

• February 9, 2026: Updated privacy policy with detailed explanations
• December 4, 2025: Initial version

11.3 Related Links

• Terms of Service
• About Us
• Return to Homepage