This Cookie Policy explains how 3DFS LLC ("we," "us," or "our") uses cookies and similar technologies on the PQRA Engine service at https://pqra.3dfs.com.
1. WHAT ARE COOKIES?
Cookies are small text files stored on your device when you visit a website. They are widely used to make websites function properly, improve user experience, and provide information to site operators. Similar technologies include localStorage, sessionStorage, and web beacons.
2. COOKIES WE USE
2.1 Strictly Necessary Cookies
These cookies are essential for the Service to function. They cannot be disabled.
| Cookie / Storage | Purpose | Duration | Consent Required |
|---|---|---|---|
| Session token | Authenticates your logged-in session | Session / 7 days | No (essential) |
| CSRF token | Prevents cross-site request forgery attacks | Session | No (essential) |
| Supabase auth cookies | Maintains authentication state | Per session configuration | No (essential) |
| Cookie consent preference | Remembers your cookie consent choice | 12 months | No (essential) |
2.2 Functional Storage
These technologies remember your preferences but do not track you across websites.
| Technology | Purpose | Duration | Consent Required |
|---|---|---|---|
| localStorage: theme preference | Remembers dark/light mode selection | Persistent | No (no tracking) |
| localStorage: UI preferences | Remembers dashboard layout preferences | Persistent | No (no tracking) |
2.3 Analytics Cookies
These cookies help us understand how visitors use the Service so we can improve it.
| Cookie / Technology | Purpose | Provider | Duration | Consent Required |
|---|---|---|---|---|
| Vercel Analytics (if enabled) | Page views, performance metrics | Vercel | Session | Yes (opt-in for EU users) |
Analytics cookies are not loaded until you provide consent (for users in the EU/EEA/UK). Non-EU users may be subject to analytics by default, with the option to opt out.
2.4 Marketing / Advertising Cookies
We do not use any marketing, advertising, or tracking cookies. The Service contains no advertisements and does not track users for advertising purposes.
3. COOKIE CONSENT
3.1 EU / EEA / UK Users
In compliance with the ePrivacy Directive and GDPR, we request your consent before placing any non-essential cookies (analytics). On your first visit, you will see a consent banner with the following options:
- Accept All: enables all cookies including analytics
- Essential Only: only strictly necessary cookies (the Service functions fully with this option)
- Customize: choose which categories to enable
3.2 All Other Users
Non-essential cookies may be enabled by default in jurisdictions where opt-in consent is not legally required. You can opt out at any time through the cookie settings accessible in the website footer.
4. MANAGING COOKIES
4.1 On Our Service
You can change your cookie preferences at any time by clicking the "Cookie Settings" link in the website footer.
4.2 In Your Browser
You can also control cookies through your browser settings. Most browsers allow you to: - View what cookies are stored - Delete individual or all cookies - Block cookies from specific or all websites - Set preferences for first-party vs. third-party cookies
Note: blocking essential cookies may prevent the Service from functioning correctly.
4.3 Do Not Track
We respect the "Do Not Track" (DNT) browser signal. When DNT is enabled, we will not load analytics cookies regardless of your region.
5. THIRD-PARTY COOKIES
The only third-party service that may set cookies on the Service is Vercel Analytics (if you have consented to analytics). Stripe's payment processing occurs on Stripe's domain and is subject to Stripe's own cookie policy.
We do not allow any other third parties to place cookies on the Service.
6. CHANGES TO THIS POLICY
We may update this Cookie Policy to reflect changes in our practices or for legal, regulatory, or operational reasons. Changes will be posted on this page with an updated "Last Updated" date.
7. CONTACT
For questions about this Cookie Policy:
3DFS LLC Email: [email protected] Website: https://pqra.3dfs.com
This Cookie Policy was last updated on February 28, 2026.