Cookie Policy
Effective Date: January 1, 2026
What Are Cookies?
Cookies are small text files stored on your device (computer, tablet, or mobile phone) when you visit mm-to-inches.net. These files help us recognize your browser, remember your preferences, and improve your overall experience with our conversion tools.
Similar technologies we use include local storage, session storage, and web beacons. This Cookie Policy explains what these technologies are, why we use them, and how you can manage your preferences.
Why We Use Cookies
We use cookies and similar technologies to make mm-to-inches.net work efficiently and provide you with a better experience. Our cookies help us:
- Remember your settings: Save your preferred precision levels, unit display formats, and recently used conversion values
- Store conversion history: Keep track of your recent conversions so you can quickly reference them later
- Save favorites: Preserve your bookmarked conversion presets for quick access
- Enhance functionality: Enable features like share links and persistent calculator states
- Analyze usage patterns: Understand which conversion features are most valuable to improve our service
- Optimize performance: Speed up page loading and reduce unnecessary server requests
Types of Cookies We Use
1. Strictly Necessary Cookies
These cookies are essential for mm-to-inches.net to function properly. They enable core website functionality and cannot be disabled.
Purpose:
- Maintain secure connections during your session
- Ensure website security and prevent fraud
- Enable basic navigation between pages
- Support essential calculator functions
Duration: Session (deleted when you close your browser)
2. Functional Cookies
Functional cookies remember your preferences and choices to provide enhanced, personalized features.
What they remember:
- Your selected precision settings (decimal places)
- Display preferences (showing/hiding fractional representations)
- Conversion history for quick reference
- Favorite preset values you've saved
- Language and region preferences
Duration: Up to 1 year
Note: Disabling these cookies may limit functionality but won't prevent basic conversion operations.
3. Analytics Cookies
Analytics cookies help us understand visitor behavior and improve our conversion tool based on aggregated, anonymous data.
Information collected:
- Pages visited and features used
- Time spent on different conversion tools
- Browser type and operating system (anonymized)
- Screen resolution and device type
- Conversion patterns (e.g., common mm or inch values searched)
- Error rates and technical issues
Duration: Up to 2 years
All analytics data is anonymized and aggregated. We cannot identify individual users.
4. Performance Cookies
These cookies help us measure and optimize website performance for faster, more reliable conversions.
What they monitor:
- Page load times and rendering speed
- Server response times for conversion calculations
- Resource usage and optimization opportunities
- Error tracking for debugging and improvement
Duration: Session to 6 months
Browser Local Storage
In addition to cookies, we use browser local storage to save your conversion history and favorite presets directly on your device. This technology offers several advantages:
Key Benefits:
- Privacy-focused: All data stays on your device and is never transmitted to our servers
- Larger storage capacity: Can store more conversion history than traditional cookies
- Faster performance: Instant access to your saved conversions without server requests
- Full control: You can clear this data anytime through your browser settings
Local storage persists until you manually clear it, allowing your favorites and history to remain available across sessions.
Third-Party Cookies
We may use limited third-party services that set their own cookies. These services are carefully selected to enhance your experience while protecting your privacy:
Analytics Services
We may use analytics platforms (such as Google Analytics) to understand how visitors use our conversion tools. These services:
- Collect anonymous usage statistics
- Help us identify popular features and conversion patterns
- Enable us to improve user experience based on data
- Provide insights into technical issues and performance
You can opt-out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
Content Delivery Networks (CDN)
We use CDN services to deliver website content faster and more reliably. These services may set cookies to:
- Cache static resources for faster loading
- Distribute content from servers nearest to you
- Protect against security threats and DDoS attacks
Managing Your Cookie Preferences
You have full control over cookie usage on mm-to-inches.net. Here are several ways to manage your preferences:
Browser Settings
Most modern browsers allow you to control cookies through their settings. You can:
- Block all cookies: Prevent websites from setting any cookies
- Delete existing cookies: Clear cookies already stored on your device
- Allow only first-party cookies: Block third-party cookies while allowing our cookies
- Set exceptions: Create custom rules for specific websites
Browser-Specific Instructions:
- Chrome: Settings → Privacy and security → Cookies and other site data
- Firefox: Settings → Privacy & Security → Cookies and Site Data
- Safari: Preferences → Privacy → Cookies and website data
- Edge: Settings → Cookies and site permissions → Cookies and site data
- Opera: Settings → Privacy & security → Cookies and other site data
Clearing Local Storage
To clear your conversion history and saved favorites stored in local storage:
- Open your browser's Developer Tools (usually F12 or Right-click → Inspect)
- Navigate to the "Application" or "Storage" tab
- Find "Local Storage" in the left sidebar
- Select "mm-to-inches.net"
- Click "Clear All" or delete specific items
Alternatively, clearing your browser's cache and site data will also remove local storage.
Impact of Disabling Cookies
Please note: Disabling cookies may affect your experience on mm-to-inches.net:
- Your conversion history won't be saved
- Favorite presets won't persist between sessions
- Precision and display preferences will reset each visit
- Share links may not work properly
- Some features may be limited or unavailable
Basic conversion functionality will continue to work even with cookies disabled.
Do Not Track Signals
Some browsers include a "Do Not Track" (DNT) feature that signals websites you visit that you don't want your online activity tracked. We respect your privacy preferences:
- We recognize and honor Do Not Track signals where technically feasible
- When DNT is enabled, we limit analytics cookie collection
- Essential cookies for site functionality may still be necessary
- Your conversion data remains stored locally on your device regardless of DNT settings
Cookie Retention Periods
Different cookies have different lifespans based on their purpose:
| Cookie Type | Duration | Purpose |
|---|---|---|
| Session Cookies | Until browser closes | Essential functionality |
| Preference Cookies | 1 year | Remember settings |
| Analytics Cookies | 2 years | Usage analysis |
| Local Storage | Until manually cleared | History & favorites |
Updates to This Cookie Policy
We may update this Cookie Policy periodically to reflect changes in our practices, technologies, legal requirements, or service features. When we make significant changes:
- We'll update the "Effective Date" at the top of this policy
- We may display a notice on mm-to-inches.net informing you of the changes
- For material changes, we may seek your consent where required by law
We encourage you to review this Cookie Policy periodically to stay informed about how we use cookies and protect your privacy.
Your Privacy Rights
Depending on your location, you may have specific rights regarding cookies and data collection:
European Users (GDPR)
Under the General Data Protection Regulation, you have the right to:
- Withdraw consent for non-essential cookies at any time
- Access information about cookies stored on your device
- Request deletion of data collected through cookies
- Object to processing of your data for marketing or analytics
California Users (CCPA)
Under the California Consumer Privacy Act, you have rights including:
- Right to know what information is collected via cookies
- Right to opt-out of the "sale" of personal information (we don't sell data)
- Right to request deletion of cookie data
- Right to non-discrimination for exercising your rights
Contact Us About Cookies
If you have questions or concerns about our use of cookies or this Cookie Policy, please don't hesitate to contact us:
We'll respond to your inquiry within 5 business days and work with you to address any concerns about cookie usage or privacy.
Related Policies
For comprehensive information about how we handle your data, please also review: