Cookie Policy
Last Updated: July 2026
This page explains which cookies and similar technologies we use on chalkie.ai, what they do, and the choices you have. In the UK, EU and Switzerland we only set analytics and marketing cookies with your consent. In some US states you can opt out of marketing cookies at any time.
What are cookies?
Cookies are small text files stored on your device when you visit a website. We use them to keep the site working (like remembering your language), to understand how Chalkie is used, and to measure our advertising.
The cookies we use
| Cookie | Category | Duration | What it does |
|---|---|---|---|
| chalkie_consent | Essential | 12 months | Stores your cookie choices so we don't ask again. |
| chalkie_geo | Essential | 24 hours | Remembers your country so we apply the right privacy rules. |
| NEXT_LOCALE | Essential | 12 months | Remembers your language and region. |
| referral_code | Functional | 30 days | Credits the teacher whose referral link you used. |
| intercom-* | Functional | Up to 9 months | Powers the support chat so you can message us and pick the conversation back up. |
| ph_* | Analytics | 12 months | Product analytics (hosted in the EU) showing us how Chalkie is used, so we can improve it. |
| _ga, _ga_* | Analytics | 2 years | Google Analytics usage statistics about our site. |
| _fbp, _fbc | Marketing | 90 days | Lets Meta measure whether our ads on Facebook and Instagram led you here. |
| __oppref, __obref | Marketing | Set by the provider | Lets OpenAI measure whether our ads in ChatGPT led you here. |
| chalkie_attribution | Marketing | 90 days | Remembers which ad or campaign brought you to Chalkie so we can measure our advertising. |
Your choices
In the UK, EU and Switzerland, we ask for your consent before setting any analytics or marketing cookies, and you can change your mind at any time via "Cookie settings" in the footer.
In the US, you can opt out of marketing cookies via "Your Privacy Choices" in the footer. We also honour the Global Privacy Control browser signal as an opt-out.
You can also delete or block cookies in your browser settings at any time. Blocking essential cookies may stop parts of the site working.
Teachers who sign in through a school or organisation account are never included in advertising measurement, regardless of these settings.
Questions?
Email us at hello@chalkie.ai and we'll be happy to help. For more about how we handle personal data, see our Privacy Policy.