1. Introduction

This Cookie Policy explains how MatWalk ("we", "our", or "us") uses cookies and similar technologies on our website. By using our Service, you consent to the use of cookies as described in this policy.

2. What Are Cookies?

Cookies are small text files stored on your device (computer, smartphone, tablet) when you visit a website. They help websites remember your preferences, improve your experience, and provide analytics data.

3. Types of Cookies We Use

3.1 Essential Cookies (Strictly Necessary)

These cookies are required for the Service to function. They enable core features like:

• Authentication: Keep you logged in between sessions
• Security: Protect against CSRF attacks and unauthorized access
• Session Management: Maintain your session state

Legal Basis: These cookies are essential for the Service to work and do not require consent.

Examples:

• sb-access-token - Supabase authentication token
• sb-refresh-token - Supabase session refresh token

Duration: Session cookies (deleted when you close your browser) or up to 7 days

3.2 Functional Cookies (Preferences)

These cookies remember your choices and preferences to enhance your experience:

• Language Preference: Remember your language selection
• Cookie Consent: Remember your cookie consent choices
• UI Preferences: Remember display settings (dark mode, etc.)

Legal Basis: Consent (you can accept or reject these)

Examples:

• cookie-consent - Your cookie preferences
• language - Your selected language

Duration: Up to 1 year

3.3 Analytics Cookies (Optional)

These cookies help us understand how visitors use our Service so we can improve it:

• Usage Statistics: Pages visited, time spent, click patterns
• Performance Monitoring: Page load times, error rates
• User Journey: How users navigate through the Service

Legal Basis: Consent (you can accept or reject these)

Third-Party Services: We may use analytics services that set their own cookies

Duration: Up to 2 years

4. Cookies We Do NOT Use

MatWalk does not use:

• Advertising Cookies: We do not track you for targeted advertising
• Social Media Cookies: We do not use social media tracking pixels
• Third-Party Marketing Cookies: We do not sell your data to advertisers

5. Local Storage

In addition to cookies, we use browser local storage to:

• Store your cookie consent preferences
• Cache temporary UI state for better performance
• Remember non-sensitive preferences

Local storage data stays on your device until you clear it manually or uninstall your browser.

6. Third-Party Cookies

Some cookies are set by third-party services we use:

6.1 Supabase (Database & Authentication)

• Purpose: Authentication and session management
• Cookies: sb-access-token, sb-refresh-token
• Type: Essential (strictly necessary)
• Privacy Policy: supabase.com/privacy

6.2 Stripe (Payment Processing)

• Purpose: Process payments and prevent fraud
• Cookies: __stripe_mid, __stripe_sid
• Type: Essential (for payment processing)
• Privacy Policy: stripe.com/privacy

7. Managing Your Cookie Preferences

7.1 Cookie Consent Banner

When you first visit MatWalk, you'll see a cookie consent banner with these options:

• Accept All: Enable all cookies (essential + functional + analytics)
• Reject Non-Essential: Only essential cookies (authentication, security)
• Customize: Choose which cookie categories to enable

7.2 Change Your Preferences

You can change your cookie preferences at any time:

• Visit this page and click the "Manage Preferences" button below
• Clear your browser cookies (resets all preferences)

7.3 Browser Settings

You can also control cookies through your browser settings:

• 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 → Manage and delete cookies

Note: Blocking essential cookies may prevent the Service from working properly.

8. Cookie Lifespan

9. Do Not Track (DNT)

We respect Do Not Track (DNT) browser signals. If you have DNT enabled:

• We will not set analytics or tracking cookies
• Essential cookies will still function (required for the Service)
• You can manually enable analytics cookies via the consent banner if desired

10. Mobile Apps

Currently, MatWalk is a web-based service. If we launch mobile apps in the future, they may use similar technologies (device identifiers, local storage) which will be covered in an updated policy.

11. Children's Privacy

Our Service is not intended for children under 16. We do not knowingly collect data from children via cookies or any other means.

12. Updates to This Policy

We may update this Cookie Policy to reflect changes in our practices or legal requirements. We will:

• Update the "Last updated" date at the top of this page
• Notify you via email for significant changes
• Re-request your consent if we add new cookie categories

13. Contact Us

For questions about our use of cookies:

Email: privacy@matswalk.com
Address: TAOPIB, 401 rue de Barbotte, 45160 Olivet, France

14. Your Rights (GDPR)

Under GDPR, you have the right to:

• Know what cookies we use and why
• Accept or reject non-essential cookies
• Withdraw consent at any time
• Lodge a complaint with the CNIL (French data protection authority)

See our Privacy Policy for more details on your data protection rights.

15. Manage Your Preferences