Cookie Policy

1. What Are Cookies?

Cookies are small text files stored on your device when you visit a website. They help the website remember your preferences and improve your experience.

Cookies can be:

First-party cookies: Set by TankLogbook directly
Third-party cookies: Set by our partners (e.g., analytics providers)

2. Types of Cookies We Use

Essential Cookies (Required)

Purpose: Enable core functionality. The site cannot work without them.

Examples:

Cookie	Purpose	Duration
`tlb_session`	Maintain your login session	Session
`tlb_csrf`	Security (prevent CSRF attacks)	Session
`tlb_remember`	Remember your login (if enabled)	30 days

Can you opt out? No. These are required for the service to function.

Functional Cookies (Optional)

Purpose: Remember your preferences and settings.

Examples:

Cookie	Purpose	Duration
`tlb_theme`	Remember dark/light mode preference	1 year
`tlb_language`	Remember language preference	1 year
`tlb_units`	Remember unit preferences (liters vs gallons)	1 year

Can you opt out? Yes. Disable in Settings.

Analytics Cookies (Optional)

Purpose: Help us understand how users interact with the site.

Provider: We use privacy-focused analytics (no personal data collected).

Cookie	Purpose	Duration
`_analytics`	Anonymous usage statistics	1 year

Can you opt out? Yes. Disable in Settings.

Marketing Cookies (Optional)

Purpose: Show relevant ads and measure campaign effectiveness.

Status: NOT CURRENTLY USED

We do not currently use marketing cookies. If we do in the future, we'll request your consent first.

3. Managing Your Cookie Preferences

3.1 In TankLogbook

Manage optional cookies in your Account Settings under "Privacy Preferences".

3.2 In Your Browser

Most browsers allow you to control cookies. Learn how:

Note: Disabling essential cookies will prevent you from using TankLogbook.

3.3 AI Interaction Logging

Note: Interactions with our AI-powered tools (tank analysis, AI chat assistant) are logged for security and legal compliance purposes. This logging is based on legitimate interest and legal obligation (not on cookie consent), so it operates independently of your cookie preferences. See our Privacy Policy for details on retention and your rights.

4. Do Not Track (DNT)

We respect "Do Not Track" signals. When DNT is enabled in your browser, we will not set optional analytics or marketing cookies.

5. Third-Party Services

Some third-party services we use may set their own cookies:

Stripe: For payment processing (see Stripe Privacy Policy)
Google Sign-In: For authentication (see Google Privacy Policy)

6. Updates to This Policy

We may update this Cookie Policy. Check the "Last Updated" date at the top. Significant changes will be communicated via email or a prominent notice.

7. Contact Us

Questions about cookies? Contact us:

Email: privacy@tanklogbook.com

Contact Form: tanklogbook.com/contact