Last Updated: August 14, 2026

1. Introduction

Fengvi Tools ("we," "us," or "our") takes your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your personal information. By using our services, you agree to the terms of this policy.

2. Information We Collect

2.1 Technical Information

When you visit our website, we may automatically collect the following technical information:

  • IP address and device information
  • Browser type and version
  • Operating system and language settings
  • Access time and page browsing history
  • Cookies and similar technology data

2.2 Usage Data

We may collect the following usage data:

  • Currency and unit conversion features you use
  • Your preference settings
  • Exchange rate and unit conversion query history
  • User-added currency and unit lists

3. Cookies and Similar Technologies

We use Cookies to:

  • Remember your language preferences and currency settings
  • Analyze website usage to improve services
  • Provide personalized user experience
  • Deliver relevant advertisements and measure advertising effectiveness

3.1 Types of Cookies We Use

  • Strictly Necessary Cookies: Essential for the website to function properly, such as remembering your settings and preferences
  • Analytics Cookies: Help us understand how visitors interact with our website, allowing us to improve our services
  • Preference Cookies: Remember your choices such as language and preferred base currency
  • Advertising Cookies: Used by our advertising partners to serve relevant advertisements and measure campaign performance

You can manage Cookies preferences through browser settings, but disabling certain Cookies may affect website functionality.

When you first visit our website, a cookie consent banner is displayed, asking you to choose whether to accept or decline cookies before any non-essential cookies are set. By clicking the "Accept" button, you consent to the use of cookies as described in this policy. Clicking "Decline" means non-essential cookies will not be set. You can change your cookie preferences at any time through your browser settings.

4. Advertising and Advertisers

We may display advertisements on our website. We use third-party advertising companies, including Google AdSense, to serve ads when you visit our website. These companies may use information (not including your name, address, email address, or telephone number) about your visits to this and other websites to provide advertisements about goods and services of interest to you.

Our advertising partners may use cookies and similar technologies to serve relevant advertisements and measure their performance:

  • Google AdSense: Google uses cookies, including the DoubleClick DART cookie, to serve ads based on your prior visits to our website and other websites
  • Personalized advertising based on your browsing activity across websites and devices
  • Non-personalized advertisements for users who have opted out of personalized advertising
Opt-Out Options: You can opt out of personalized advertising by visiting Google Ads Settings (adssettings.google.com), the Network Advertising Initiative opt-out page (optout.networkadvertising.org), or the European Interactive Digital Advertising Alliance (youronlinechoices.eu). Please note that opting out of personalized advertising does not mean you will no longer see advertisements; it only means the ads you see may be less relevant to you.

5. How We Use Information

The information we collect is used for the following purposes:

  • Providing and improving currency and unit conversion services
  • Personalizing user experience
  • Analyzing website usage to optimize performance
  • Ensuring website security and preventing fraud
  • Complying with legal obligations

6. Information Sharing and Disclosure

We do not sell your personal information to third parties. We may share information in the following circumstances:

  • Legal requirements or responding to legal proceedings
  • Protecting our or users' rights and security
  • Working with third-party service providers (e.g., analytics services)
  • Business transactions such as company mergers or acquisitions

7. Data Security

We take reasonable security measures to protect your personal information, including:

  • Using encryption technology to protect data transmission
  • Conducting regular security audits
  • Restricting access to personal information
  • Implementing security protocols and procedures

8. Data Retention

We retain your personal information only for the time necessary to achieve the purposes described in this policy, unless a longer retention period is required by law.

9. Your Rights

Under applicable laws, you may have the following rights:

  • Access and obtain a copy of your personal information
  • Correct inaccurate personal information
  • Delete your personal information
  • Restrict or object to the processing of your personal information
  • Data portability rights
  • Withdraw consent

10. GDPR Privacy Rights

If you are a resident of the European Economic Area (EEA), the United Kingdom, or Switzerland, you have additional rights under the General Data Protection Regulation (GDPR). In addition to the rights described in Section 9, you have the right to:

  • Request access to the personal data we hold about you
  • Request correction of inaccurate personal data
  • Request erasure of your personal data ("right to be forgotten")
  • Request restriction of processing of your personal data
  • Receive your personal data in a structured, commonly used, and machine-readable format (data portability)
  • Object to the processing of your personal data based on legitimate interests
  • Lodge a complaint with a supervisory authority in your country of residence

Our legal bases for processing your personal information include: your consent, the performance of a contract with you, compliance with our legal obligations, and our legitimate interests in operating and improving our services. We process personal data only for the purposes described in this policy.

11. CCPA Privacy Rights

If you are a resident of California, the California Consumer Privacy Act (CCPA) and the California Privacy Rights Act (CPRA) provide you with specific rights regarding your personal information:

  • The right to know what personal information we collect, use, disclose, and sell about you
  • The right to request deletion of your personal information
  • The right to correct inaccurate personal information
  • The right to opt out of the "sale" or "sharing" of your personal information
  • The right to non-discrimination for exercising your privacy rights
Do Not Sell or Share My Personal Information: We do not sell your personal information as defined by the CCPA. If we ever change this practice, we will update this policy and provide a clear opt-out mechanism as required by applicable law.

California residents may exercise their rights by contacting us using the details provided in the Contact Us section below. We will respond to your request within 45 days as required by the CCPA.

12. Third-party Website Links

Our website may contain links to third-party websites. This Privacy Policy does not apply to these websites, and we recommend reviewing their privacy policies.

13. Children's Privacy

Our services are not directed at children under 13 years of age. We do not knowingly collect personal information from children under 13.

14. Policy Changes

We may update this Privacy Policy from time to time. Significant changes will be announced on this website. Continued use of our services indicates your acceptance of the updated policy.

15. Contact Us

If you have any questions about this Privacy Policy or need to exercise your rights, please contact us through the following methods:

Email: privacy@fengvi.com