---
type: "WebPage"
title: "Cookie Policy"
description: "Information about cookies and similar technologies pursuant to Art. 12 GDPR and § 25 TDDDG"
resource: "https://www.contextstudios.ai/cookie-richtlinie"
language: "en"
generated:
  by: "process:contextstudios-md/1"
  at: "2026-10-09T14:10:57.876Z"
status: "stable"
---

# Cookie Policy

Last updated: September 24, 2026

This cookie policy informs you pursuant to Art. 12 GDPR and § 25 TDDDG about the nature, scope, purposes and legal bases for the use of cookies and similar technologies on this website.

For additional information about your data subject rights, please see our [Privacy Policy](https://www.contextstudios.ai/privacy).

## Important Notice Regarding Consent

- **No cookies before consent:** Non-essential cookies are only set after you have actively consented.
- **Equal choice:** Rejecting non-essential cookies is just as easy as accepting them.
- **Withdraw at any time:** You can withdraw your consent at any time with effect for the future. Analytics cookies already set are deleted immediately.

## 1. What are Cookies and Similar Technologies?

Cookies are small text files that are stored on your device when you visit a website. They serve to enable certain functions and provide information about your usage.

**Note on LocalStorage and SessionStorage:** Local storage technologies (LocalStorage, SessionStorage) also fall under § 25 TDDDG. Unless strictly necessary, we only use them with your consent.

## 2. Categories of Cookies

### 2.1 Strictly Necessary Cookies and Storage (without consent)

These cookies and storage items are strictly necessary pursuant to § 25(2) No. 2 TDDDG so that we can provide a digital service you have explicitly requested.

| Name | Purpose | Provider | Duration |
| --- | --- | --- | --- |
| `cookie-consent (LocalStorage)` | Stores your cookie choice | Context Studios | 12 months |
| `NEXT_LOCALE (cookie)` | Stores the language version displayed so that you see the same language on your next visit | Context Studios | 12 months |
| `theme (LocalStorage)` | Stores light or dark mode – only after you have used the switch yourself | Context Studios | Until deleted |
| `offer_access_* / nda_access_* (cookie, httpOnly)` | Access to an offer or NDA sent to you, after confirmation with a one-time code | Context Studios | 45 minutes |
| `__session, __client_uat, __client, __refresh_* (cookies)` | Sign-in and session management – only on the sign-in pages and in the admin area, not during a normal visit | Clerk Inc., USA | Session up to 1 year, depending on sign-in duration |
| `__cf_bm, _cfuvid (cookies on clerk.contextstudios.ai)` | Bot and abuse protection of the sign-in service – only on the sign-in pages | Cloudflare, Inc., USA (for Clerk) | __cf_bm: 30 minutes; _cfuvid: session |

Further strictly necessary LocalStorage and SessionStorage items are listed in 2.6.

### 2.2 Preferences (with consent)

With your consent to “preference cookies” we store an unfinished entry in the enquiry form locally on your device (context-studios-lead-form, see 2.6) so that it is not lost. We do not set cookies in this category.

### 2.3 Analytics Cookies (consent required)

These cookies and storage items help us understand how visitors use our website. They are only set if you consent to “analytics cookies”.

| Name | Purpose | Provider | Duration |
| --- | --- | --- | --- |
| `_ga (cookie)` | Google Analytics – distinguishes visitors | Google Ireland Ltd. | Up to 2 years (current browsers: at most 400 days) |
| `_ga_* (cookie)` | Google Analytics – stores the session state | Google Ireland Ltd. | Up to 2 years (current browsers: at most 400 days) |
| `_analytics_visitor (LocalStorage)` | Own audience measurement – anonymous visitor ID | Context Studios | Until withdrawal or deletion |
| `_analytics_visitor_seen (LocalStorage)` | Own audience measurement – detects returning visits | Context Studios | Until withdrawal or deletion |
| `_analytics_session (SessionStorage)` | Own audience measurement – session ID | Context Studios | Session |
| `_analytics_session_start (SessionStorage)` | Own audience measurement – start of the session | Context Studios | Session |

#### Notes on Google Analytics

- **IP addresses:** Google Analytics 4 does not log or store IP addresses; the IP address is used only briefly to derive an approximate location (country/region) and is then discarded.
- **Google signals and ad personalisation:** Disabled (no cross-device linking, no use for advertising).
- **Data retention:** The retention period for analytics data at Google is limited to 14 months.
- **Third-country transfer:** Transfer based on the EU-US Data Privacy Framework and standard contractual clauses.
- **Withdrawal:** If you withdraw your consent, we immediately delete the _ga and _ga_* cookies as well as our own analytics identifiers.
- **Own audience measurement:** Does not store IP addresses and deletes data after 13 months.

### 2.4 Marketing Cookies

We do not use marketing cookies.

### 2.5 Storage Periods Explained

- **Session:** deleted when you close the browser or tab.
- **Until deleted:** remains stored until you delete it in your browser or withdraw your consent.
- **12 months:** your cookie choice expires after 12 months; we then ask again.
- **Up to 2 years:** maximum duration of the Google Analytics cookies; current browsers cap them at 400 days.

### 2.6 Additional Local Storage

We also use the following LocalStorage and SessionStorage items in your browser:

| Item | Purpose | Category | Duration |
| --- | --- | --- | --- |
| `preferred-locale` | Stores the language version displayed (complements the NEXT_LOCALE cookie) | Required | Until deleted |
| `gpc-preference` | Stores how we apply your Global Privacy Control signal | Required | Until deleted |
| `gpc-banner-dismissed` | Prevents the GPC notice from appearing again | Required | Until deleted |
| `_consent_tracking_id` | Random ID used as proof of your cookie choice (see section 8) | Required | Until deleted |
| `cs_proactive_shown (SessionStorage)` | Prevents the chat prompt from appearing again in the same session | Required | Session |
| `cs_gdpr_consent` | Stores your consent given in the chat | Required | Until deleted |
| `cs_visitor_id` | Anonymous visitor ID for the chat | Consent in the chat | Until deleted |
| `cs_chat_history` | Stores the chat history so that you can continue the conversation | Consent in the chat | 24 hours |
| `cs_chat_history_session` | Links the stored chat history to the chat session | Consent in the chat | 24 hours |
| `cs_message_queue` | Holds chat messages back while you are offline | Consent in the chat | Until sent |
| `cs_chat_session (SessionStorage)` | Current chat session | Consent in the chat | Session |
| `cs_chat_faq_<locale> (SessionStorage)` | Cache of frequent chat answers | Consent in the chat | 10 minutes |
| `context-studios-lead-form` | Keeps an unfinished entry in the enquiry form so that it is not lost | Preferences | Until submitted or deleted |

This data stays on your device. Items in the category “Consent in the chat” are only created after you have agreed to storage in the chat.

## 3. Third-Party Services

The following third-party services may use cookies or similar technologies:

- **Clerk:** Sign-in and user management – only on the sign-in pages and in the admin area.
- **Cal.com:** Booking system – only during an active booking.
- **Google Analytics:** Audience measurement – only with your consent.
- **Cloudflare:** Content delivery network and security service for the entire website; sets no cookies on www.contextstudios.ai. On the sign-in subdomain clerk.contextstudios.ai, the Cloudflare protection of the sign-in service sets the cookies __cf_bm and _cfuvid (see 2.1).
- **Google Maps:** Map on the contact page; only loaded after you click “Load map”, after which Google may use cookies or similar technologies (consent given by the click).
- **YouTube:** Videos in the blog in privacy-enhanced mode (youtube-nocookie.com); only loaded after you click “Play video”, during playback Google may use cookies or similar technologies (consent given by the click).
- **Vimeo:** Videos in the blog (with “dnt=1”); only loaded after you click “Play video”, during playback Vimeo may use cookies or similar technologies (consent given by the click).
- **Loom (Atlassian):** Videos in the blog; only loaded after you click “Play video”, during playback Loom may use cookies or similar technologies (consent given by the click).

These services have their own privacy policies:

- [Privacy policy: Clerk](https://clerk.com/legal/privacy)
- [Privacy policy: Cal.com](https://cal.com/privacy)
- [Privacy policy: Google](https://policies.google.com/privacy)
- [Privacy policy: Cloudflare](https://www.cloudflare.com/privacypolicy/)
- [Privacy policy: Vimeo](https://vimeo.com/privacy)
- [Privacy policy: Atlassian (Loom)](https://www.atlassian.com/legal/privacy-policy)

## 4. Managing Your Cookie Settings

Use the following tool to adjust your cookie settings:

### 4.1 Withdrawing Consent

You can withdraw your consent at any time with effect for the future.

**Legal basis: Art. 7(3) GDPR**

1. Open the cookie settings above on this page.
2. Click “Essential Only”, or switch off individual categories and click “Save Preferences”.
3. Your choice takes effect immediately.

If you withdraw your consent to analytics cookies, we immediately delete the _ga and _ga_* cookies as well as our own analytics identifiers.

### 4.2 Other Options

- Click “Cookie settings” in the footer.
- Delete cookies and site data in your browser.

### 4.3 Consent Renewal

After 12 months and after every material change to this policy, we ask for your consent again.

## 5. Browser Settings

You can also control cookies through your browser settings:

- Block all cookies
- Block third-party cookies only
- Automatically delete cookies after each session

Note: Blocking strictly necessary cookies may affect how the website works.

Browser instructions:

- [Google Chrome](https://support.google.com/chrome/answer/95647)
- [Mozilla Firefox](https://support.mozilla.org/kb/cookies-information-websites-store-on-your-computer)
- [Safari](https://support.apple.com/guide/safari/manage-cookies-sfri11471/mac)
- [Microsoft Edge](https://support.microsoft.com/microsoft-edge)

## 6. Do Not Track and Global Privacy Control

If your browser sends the Do Not Track (DNT) signal, we do not load any analytics tools.

#### Note on Global Privacy Control (GPC)

GPC is not explicitly regulated by law in the EU. We voluntarily treat a GPC signal as a rejection of non-essential cookies.

## 7. Legal Bases

We use cookies and similar technologies on the following legal bases:

| Category | Legal basis |
| --- | --- |
| Strictly necessary | § 25(2) No. 2 TDDDG |
| Preferences | § 25(1) TDDDG in conjunction with Art. 6(1)(a) GDPR |
| Analytics | § 25(1) TDDDG in conjunction with Art. 6(1)(a) GDPR |
| Consent in the chat | § 25(1) TDDDG in conjunction with Art. 6(1)(a) GDPR |
| External media (Google Maps, YouTube, Vimeo, Loom) | § 25(1) TDDDG in conjunction with Art. 6(1)(a) GDPR (consent by click) |

Additionally: ePrivacy Directive 2002/58/EC, Art. 5(3).

## 8. Proof of Consent

We document your cookie choices pursuant to Art. 7(1) GDPR:

- Random consent ID and timestamp of your consent, change or rejection
- Selected cookie categories and type of action
- Version of the cookie policy and language version
- Whether Global Privacy Control or Do Not Track was active

**Retention period: 3 years, then deleted automatically.**

## 9. Changes to This Policy

We may update this cookie policy.

For material changes, we ask for your consent again via the cookie banner.

## 10. Contact

For questions about this cookie policy, you can reach us here:

**Context Studios UG (haftungsbeschränkt)**  
Kaiser-Friedrich-Str. 6  
10585 Berlin, Germany  
Email: info@contextstudios.ai

For information about your data subject rights, see our [Privacy Policy](https://www.contextstudios.ai/privacy).
