Cookie Policy
Last updated: April 20, 2026
1. What are cookies?
Cookies are small text files placed on your device by websites you visit. They are widely used to make websites work, or work more efficiently, and to provide information to the site owner.
2. How we use cookies
Quizilla uses only strictly necessary and functional cookies. We do not use:
- Advertising or targeting cookies
- Analytics tracking cookies (e.g. Google Analytics)
- Social media tracking pixels
- Any third-party cookies for marketing purposes
All cookies we set are essential to providing the authentication and session management that the app requires to function.
3. Cookies we use
Strictly Necessary
Always activeRequired for the platform to function. The app cannot operate without these.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| __session | Clerk (clerk.quizilla.ai) | Stores your authenticated session. Set when you sign in and cleared when you sign out. | Session / up to 30 days (depending on 'Remember me' setting) |
| __client_uat | Clerk | User activity token used by Clerk to verify your session across requests. | Session |
| __clerk_db_jwt | Clerk | Short-lived JWT used during the sign-in flow. | A few minutes |
Functional
Always activeSupport core app functionality such as remembering your preferences.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| Local storage (not a cookie) | Quizilla | We may store UI preferences (e.g. sidebar state, theme) in browser local storage. This data never leaves your device. | Until you clear your browser data |
4. Third-party cookies
The Quizilla application itself does not set any third-party tracking cookies. However, our authentication provider Clerk may set cookies from its own domain (clerk.quizilla.ai) as part of the sign-in flow. These are strictly necessary for authentication and are governed by Clerk's Privacy Policy.
Our payment processor LemonSqueezy operates on their own domain during checkout. Any cookies they set during the payment flow are subject to LemonSqueezy's Privacy Policy.
5. How to control cookies
You can control and delete cookies through your browser settings. Note that blocking or deleting the authentication cookies listed above will prevent you from signing in to Quizilla.
Instructions for major browsers:
6. Changes to this policy
We may update this Cookie Policy from time to time. Any changes will be reflected on this page with an updated date. We will notify you of material changes via email if you have an account.
7. Contact
Questions about our use of cookies? Email support@quizilla.ai.