Cookie Policy
Effective date: December 29, 2025
This Cookie Policy explains how TauCAD Limited ("we," "us," or "our") uses cookies and similar technologies when you use our Service. This policy should be read together with our Privacy Policy.
This Cookie Policy complies with the EU ePrivacy Directive (2002/58/EC as amended by 2009/136/EC), the UK Privacy and Electronic Communications Regulations (PECR), and other applicable cookie laws.
What Are Cookies
Cookies are small text files stored on your device. Similar technologies like localStorage are also used to store information locally in your browser.
Cookies We Use
We distinguish between two types of cookies:
- Essential: Strictly necessary for basic functionality. Cannot be disabled.
- Analytics (Optional): With your consent, used to understand how you use the Service.
Essential Cookies
| Category | Purpose | Retention |
|---|---|---|
| Theme | Remember your preferred color theme and accent color | Persistent |
| Layout | Store panel sizes, sidebar states, and UI preferences | Persistent |
| CAD Settings | Remember CAD kernel, measurement units, and file preview settings | Persistent |
| Chat Preferences | Store AI model selection, web search preferences, and interface settings | Persistent |
| View Settings | Remember camera field of view, view configuration, and section view settings | Persistent |
| Console Settings | Store log level and display configuration | Persistent |
| Converter Settings | Remember output formats and download preferences | Persistent |
| Cookie Consent | Remember your cookie consent choice | 1 year |
These cookies are stored locally in your browser and are not transmitted to external services. "Persistent" cookies remain until you clear your browser data or reset preferences.
Analytics Cookies (Optional)
With your consent, we use PostHog to understand how users interact with our service.
Retention: 12 months from collection. Data Location: United States.
What PostHog collects: Page views, navigation patterns, device and browser information, interaction patterns, feature usage statistics.
What PostHog does NOT do: Use third-party cookies, track you across websites, share data with advertising networks, sell your data.
For more information, see the PostHog Privacy Policy.
Global Privacy Control (GPC)
We honor the Global Privacy Control (GPC) signal. If your browser sends a GPC signal:
- Analytics cookies (PostHog) will not be loaded
- Your preference is respected immediately without displaying a consent prompt for analytics
- Essential cookies will still function as necessary for the Service
For more information about GPC, visit globalprivacycontrol.org.
Managing Your Cookie Preferences
When you first visit Tau, you will see a cookie consent banner where you can:
- Accept: Enable both essential and analytics cookies
- Decline: Enable only essential cookies (analytics disabled)
- Manage: Customize your choices
You can change your preferences at any time:
- Click the Cookies button in the footer to reopen preferences
- Visit Cookie Settings
- Use your browser's cookie controls
- Clear site data for tau.new to reset all preferences
When you withdraw consent for analytics, we stop collecting new data immediately.
Browser Cookie Controls
Most web browsers allow you to view, delete, or block cookies through their settings. Refer to your browser's help documentation for instructions.
Changes to This Policy
We may update this Cookie Policy from time to time. We will notify you of changes by posting the new policy on this page.
Contact Us
If you have questions about this Cookie Policy, contact us at privacy@tau.new.