This notice explains how Vidya uses cookies and similar technologies on vidya.co, the Vidya web app, the Vidya BOS extension, and the Vidya mobile apps. It supplements our Privacy Policy.
Cookies are small text files a website stores on your device. Similar technologies include local storage, session storage, software development kits (SDKs) in mobile apps, and extension storage. We use the word "cookies" to cover all of them.
We use a small number of first-party cookies. We do not use third-party advertising cookies, cross-site trackers, social media pixels, or fingerprinting.
These make Vidya work. You cannot turn them off without breaking sign-in.
| Name | Purpose | Duration |
|---|---|---|
| vidya_session | Keeps you signed in | Session, or 30 days if you choose "stay signed in" |
| vidya_csrf | Protects forms against cross-site request forgery | Session |
| vidya_prefs | Remembers your language, theme, and interface settings | 12 months |
| vidya_consent | Records your cookie choices | 12 months |
We use PostHog, configured as a first-party analytics tool on our own domain, to understand how people use Vidya: which features are used, where people get stuck, and how the product performs. Analytics data is associated with a pseudonymous identifier and used in aggregate. It does not include the content of your conversations.
| Name | Purpose | Duration |
|---|---|---|
| ph_* | Pseudonymous analytics identifier and session state | 12 months |
You can opt out of analytics in Settings > Privacy > Analytics or through the cookie banner on your first visit. We honor Global Privacy Control signals from your browser as an opt-out of analytics.
Vidya BOS uses Chrome extension storage to hold your sign-in token, your mode preference (copilot or agent), and per-site settings you choose. It does not use cookies to track browsing. See the Vidya BOS Privacy Disclosure.
The iOS and Android apps use SDKs for analytics (PostHog), crash reporting, and push notifications. Each is configured to receive only what it needs. You can control push notifications in your device settings and analytics in Settings > Privacy.
In Vidya. Settings > Privacy lets you turn analytics on or off at any time.
In your browser. Every major browser lets you view, block, and delete cookies. Blocking strictly necessary cookies will prevent you from signing in.
Global Privacy Control. If your browser sends a GPC signal, we treat it as an opt-out of analytics for that browser.
We update this notice when our use of cookies changes. The date at the top shows the latest revision.