Privacy

Short, because there is not much to say.

The checker

Everything you type into the checker stays on your device. The answers are worked out by a small script running in your own browser. Nothing is sent to us, nothing is stored, and there is no record of your answers anywhere — including in your browser once you close the page.

The reminder emails

If you ask for a deadline reminder, we collect your email address and the start date you selected. That is all. We use it to send you the reminders described on the form and nothing else. We do not sell it or share it with third parties. Every email has an unsubscribe link, and you can ask us to delete your address at any time.

The form is handled by a third-party form service, which processes the submission on our behalf.

Analytics and cookies

This site sets no cookies and runs no advertising scripts.

We do use Vercel Web Analytics to count page views, so we know which pages are worth keeping up to date. It records the page you landed on, the site that referred you, your country, and your device and browser type. It does not use cookies or browser storage, does not follow you to other sites, and does not build a profile of you. Visitors are counted with a temporary identifier that is discarded daily and cannot be traced back to a person.

It never sees what you type into the checker. Those answers stay in your browser, as described above.

Who we are

We are not HMRC and are not affiliated with HMRC or GOV.UK. This site provides general information about Making Tax Digital for Income Tax. It is not tax advice, and it does not take account of anyone's individual circumstances.

Checked against GOV.UK on 2026-08-11. See every source we used.