1. Introduction

Welcome to mm-to-inches.net ("we," "our," or "us"). We are committed to protecting your privacy and ensuring you have a positive experience on our website. This Privacy Policy explains how we collect, use, and safeguard your information when you use our millimeter to inch conversion tool.

By using mm-to-inches.net, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

Our conversion tool does not require you to create an account or provide personal information. The conversion values you enter (millimeters, inches, precision settings) are processed locally in your browser and are not transmitted to our servers.

2.2 Automatically Collected Information

When you visit our website, we may automatically collect certain information about your device and usage, including:

Browser type and version
Operating system
IP address (anonymized)
Pages visited and time spent on pages
Referring website or source
Device type (desktop, mobile, tablet)

2.3 Local Storage

We use browser local storage to save your conversion history and favorite presets on your device. This data remains on your device and is not transmitted to our servers. You can clear this data at any time through your browser settings.

3. How We Use Your Information

We use the automatically collected information for the following purposes:

To provide and maintain our conversion tool service
To understand how users interact with our website and improve user experience
To analyze usage patterns and optimize website performance
To detect, prevent, and address technical issues
To generate anonymous, aggregated statistics about website usage

4. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our website and hold certain information. Cookies are files with a small amount of data that may include an anonymous unique identifier.

4.1 Types of Cookies We Use

Essential Cookies: Required for the website to function properly
Analytics Cookies: Help us understand how visitors use our website
Preference Cookies: Remember your settings and preferences

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some features of our service.

5. Third-Party Services

We may use third-party services to help us operate our website and analyze usage. These third parties have access to your information only to perform specific tasks on our behalf and are obligated not to disclose or use it for any other purpose.

Third-party services we may use include:

Analytics services (e.g., Google Analytics) for understanding user behavior
Hosting providers for website infrastructure
Content delivery networks (CDN) for faster page loading

6. Data Security

The security of your data is important to us. We implement appropriate technical and organizational measures to protect the information we collect. However, please remember that no method of transmission over the Internet or electronic storage is 100% secure.

Key security measures include:

HTTPS encryption for all data transmitted between your browser and our servers
Regular security audits and updates
Limited data collection (we only collect what is necessary)
Local processing of conversion calculations in your browser

7. Children's Privacy

Our service does not specifically target children under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and you are aware that your child has provided us with personal information, please contact us so we can take necessary action.

8. Your Data Rights

Depending on your location, you may have certain rights regarding your personal information:

Right to Access: Request information about the data we hold about you
Right to Rectification: Request correction of inaccurate data
Right to Erasure: Request deletion of your data (where applicable)
Right to Object: Object to certain types of processing
Right to Data Portability: Request a copy of your data in a structured format

Since we collect minimal personal information and most data is stored locally on your device, you can delete your conversion history and favorites at any time by clearing your browser's local storage.

9. International Data Transfers

Your information may be transferred to and maintained on computers located outside of your state, province, country, or other governmental jurisdiction where data protection laws may differ. We ensure that appropriate safeguards are in place to protect your information.

10. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date at the top of this policy.

We encourage you to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

11. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at:

Email: support@mm-to-inches.net

Website: https://mm-to-inches.net

12. California Privacy Rights (CCPA)

If you are a California resident, you have specific rights regarding your personal information under the California Consumer Privacy Act (CCPA):

The right to know what personal information we collect, use, and disclose
The right to request deletion of your personal information
The right to opt-out of the sale of personal information (we do not sell personal information)
The right to non-discrimination for exercising your rights

13. GDPR Compliance (European Users)

If you are located in the European Economic Area (EEA), we process your personal data in compliance with the General Data Protection Regulation (GDPR). Our legal basis for processing your information includes:

Legitimate Interest: To provide and improve our service
Consent: Where you have given clear consent for specific processing activities
Legal Obligation: Where we need to comply with legal requirements

14. Chrome Extension Privacy and Permissions

The MM to Inches browser extension processes conversions locally in your browser and does not collect, store, or transmit personal data to our servers.

14.1 Permissions Used

contextMenus: Adds a right-click menu when you select a number. Clicking the menu opens the extension popup and pre-fills the selected value. No content scripts are injected and pages are not scanned.
clipboardWrite: Allows the extension to place text or an image of the conversion result on your clipboard when you click a copy button. The extension does not read your clipboard.

14.2 Data Handling

Selected values are kept in memory only to pre-fill the popup and are discarded afterward.
Copy actions are initiated by you and write only the current result to your clipboard.
No browsing history, page content, or identifiers are collected.
No background analytics or tracking run in the extension service worker.

14.3 Single Purpose

The extension has a single purpose: converting millimeters to inches and helping you copy the result as text or an image. It does not include unrelated functionality.