Privacy Policy
Last updated: May 2026
Who we are
This website is operated by DayOne Labs Ltd, a company registered in England and Wales (Company No. 17192046). Our registered address is available through Companies House. For privacy-related enquiries, contact us at privacy@dayonelabs.co.uk.
What data we collect
This tool runs entirely in your browser. We do not collect, store, or transmit the text you paste into the calculator. Your scripts never leave your device.
We may collect the following data through third-party services:
- Analytics data: Page views, session duration, approximate location (country-level), device type, and referral source via Google Analytics or similar services.
- Advertising data: Our advertising partners may collect anonymised data to serve relevant ads. See "Advertising & Cookies" below.
Advertising & Cookies
This site displays advertisements served by third-party advertising networks (e.g. Google AdSense, Carbon Ads). These services may use cookies and similar technologies to:
- Serve ads based on your prior visits to this or other websites
- Measure ad performance and frequency
- Prevent the same ad from appearing too often
You can opt out of personalised advertising by visiting Google Ads Settings or the NAI opt-out page.
Cookies we use
| Cookie | Purpose | Duration |
|---|---|---|
| _ga, _gid | Google Analytics — traffic measurement | 2 years / 24 hours |
| __gads | Google AdSense — ad serving | 13 months |
| cookie_consent | Records your cookie preferences | 1 year |
Your rights (UK GDPR & Data Protection Act 2018)
If you are in the United Kingdom or European Economic Area, you have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Object to or restrict processing
- Data portability
- Lodge a complaint with the ICO (ico.org.uk)
Affiliate links
Some outbound links on this site may be affiliate links. If you sign up for a service through one of these links, we may receive a referral commission at no extra cost to you. This does not influence the pricing calculations, which are based solely on published API documentation. See our Terms of Use for full details.
Children's privacy
This site is not directed at children under 13. We do not knowingly collect personal data from children.
Changes to this policy
We may update this policy from time to time. The "Last updated" date at the top of this page reflects the most recent revision.