Cookie policy

Last updated: November 10, 2026

1. What are cookies?

Cookies are small text files placed on your device when you visit a website. They help websites remember your preferences, understand how the site is used, and provide a more personalised experience. Similar technologies include local storage, pixels, and scripts.

2. How we use cookies

Markt OS uses a minimal set of cookies and similar technologies for the following purposes only:

Essential / strictly necessary — to keep you signed in, maintain your session, and protect against cross-site request forgery (CSRF). These are required for the Service to function and cannot be disabled.
Preference — to remember choices you make, such as your theme (light/dark) and accessibility preferences.
Analytics (optional, consent-based) — to understand aggregate usage and improve the Service. We do not use advertising cookies.

3. Cookies we use

Cookie / storage	Purpose	Duration	Category
Session cookie	Authentication & session management	Session / until logout	Essential
XSRF-TOKEN	Cross-site request forgery protection	Session	Essential
markt-theme	Remembers light/dark theme preference	Persistent	Preference
markt-a11y	Remembers accessibility preferences	Persistent	Preference

4. Third-party cookies

Some features rely on third-party services (for example, our payment providers when you upgrade your plan, or connected social platforms). These providers may set their own cookies governed by their own policies. We recommend reviewing their policies directly.

5. Managing cookies

You can control and delete cookies through your browser settings. Disabling essential cookies may prevent the Service from working correctly (for example, you may be unable to stay signed in). Where cookies require consent, we will ask for it before placing them on your device, and you may withdraw consent at any time.

6. Changes

We may update this Cookie Policy from time to time. The latest version will always be posted on this page.