Privacy Policy

Worksheets are made in your browser

Every worksheet is generated locally, in your browser. The problems, the layout, and the PDF are all produced on your device. We do not receive, process, or store the worksheets you create — none of it ever reaches our server, so there is nothing for us to keep. Coloring pages work the same way: the colors you try on screen and the PDF are made on your device, and none of it reaches our server.

The child's name field

The optional “child's name” field is used only to print the name on your worksheet. It is never sent to us, never stored, never written into the shareable link, never included in usage analytics, and never embedded in the PDF's file metadata. Our analytics layer even strips name-like fields defensively, so a mistake on our side still cannot leak it. The optional name on a coloring page is treated the same way: it is only printed on the page, and it is never sent to us, never stored and never included in usage analytics.

The suggestions form — what we keep when you write to us

If you send us a suggestion or a message, we store it. It only happens because you chose to write to us.

• •What we keep: your message, plus your name and email address only if you choose to type them. Both are optional — the form works perfectly well without either, and an anonymous suggestion is a completely normal thing to send.
• •We also record the IP address and browser user agent the message was sent from. That is there to slow down spam and abuse, and it is not used for anything else.
• •Where it goes: a file on our own server, the same one that serves this site. It is not sent to a third-party form service, mailing list, or CRM.
• •Who can read it: only the site owner, through a password-protected page. We never sell submissions and never share them with anyone else, unless we are legally required to.
• •Getting it deleted: email hello@kidoslab.com with roughly when you wrote and what it was about, and we will delete it. If you left an email address, we can find it straight away.

We keep submissions only for as long as they are useful and clear out old ones from time to time. To be straight with you: that is a policy we apply by hand, not an automatic deletion schedule, so please don't treat it as a guaranteed expiry date. Please also keep sensitive personal details out of the message — a suggestion box does not need them.

“Notify me” — what we keep when you ask to hear about a new lab

The home page has a box where you can leave an email address to hear when the next lab opens. It is optional. You can also tick the sign-up box on the suggestions form, which comes with the name and message you chose to send.

• •What we keep: your email address, and the time you sent it. There is no name and no message with it.
• •We also record the IP address and browser user agent it was sent from, as with the suggestions form. That is there to slow down spam and abuse, and it is not used for anything else.
• •What we use it for: one thing: to send you one email when a new lab opens. We do not add it to any other list and we do not use it for anything else.
• •Where it goes: the same file on our own server as suggestions. It is not sent to a third-party form service, mailing list, or CRM, and only the site owner can read it, through a password-protected page.
• •Getting it deleted: email hello@kidoslab.com and tell us which address to remove, and we will delete it. You can ask at any time.

“Was this guide helpful?” — a count, and nothing else

Each guide in our Learning Hub ends with a helpful / not-really control. Tapping it adds one to a count for that guide. That is the whole of it: we do not record who tapped, what else they read, or anything that could be traced back to a person.

• •What we keep: two numbers for each guide — how many people found it helpful and how many did not. There is no account, no name, and no box to type in.
• •Nothing is stored on your device: tapping sets no cookie and writes nothing to your browser's storage, so your answer is not remembered between visits and cannot be used to recognise you later.
• •Your network address: it is used for a moment, in memory only, to stop the same person voting over and over. It is not written into the count and is not stored alongside it.

Cookies & analytics

We would like to count visits, so we can tell which worksheets are genuinely useful and which pages nobody can find. On a coloring page the same counting records which picture, level and paper size are chosen, and when a page is printed or a PDF is saved; it never includes a name. There are three separate tools, and they are not the same: one uses cookies and needs your permission, the other two run for everyone and set none. They are described separately below, because lumping them together would misdescribe them.

1. Google Analytics — off until you say yes. The first time you arrive you are asked, with Accept and Decline offered equally. If you decline — or if you ignore the question entirely — your browser never contacts Google, because nothing is loaded at all. There is no “anonymous ping” sent in the meantime.

If you accept: Google Analytics sets cookies (the ones beginning _ga) so that coming back tomorrow is not counted as a new person, and it records which page you are on, roughly which country you are in, and what sort of device and browser you use. That goes to Google, who process it for us; we see only totals and charts. We have turned off Google's cross-device and advertising features, so it is not used to build an advertising profile of you, and Google Analytics does not store your IP address.

2. Ahrefs Web Analytics — always on, and it sets nothing. This one counts page views without cookies. It stores nothing on your device: no cookie, nothing in your browser's storage, and no identifier that could recognise you on a later visit — so there is nothing for it to follow you with, and nothing for you to switch off. We checked that ourselves rather than taking the supplier's word: we read the actual script the site loads, and we loaded it in a browser twice and looked at what it left behind, which was nothing at all. Because it cannot identify anyone, it runs for every visitor and is not part of the choice above. If that ever stops being true, it moves behind the same question as Google Analytics and this page will say so.

3. Cloudflare Web Analytics — always on; Cloudflare says it sets nothing. Cloudflare delivers this site to you, and its analytics service counts page views and measures how fast pages load. According to Cloudflare's own documentation it sets no cookie and stores nothing on your device. That is Cloudflare's statement; unlike the one above, we have not tested it ourselves. It runs for every visitor and is not part of the choice above.

What neither Google Analytics nor Ahrefs Web Analytics ever receives: anything typed on a worksheet or a coloring page. The name fields are not sent, and the layer every event passes through strips name-like fields before anything leaves the page — so a mistake in our own code still cannot leak it. Neither runs on the private page the owner uses to read suggestions, and neither can appear on a worksheet or coloring page you print or download.

Changing your mind: use the switch below — it works in both directions, takes one click either way, and turning analytics off also deletes the analytics cookies from this browser. You can equally block or clear cookies in your browser's own settings, or install Google's opt-out add-on, which turns Google Analytics off on every site at once.

The one cookie that has nothing to do with analytics: a strictly necessary session cookie created when the site owner signs in to read suggestions. Visitors never receive it. We do not build cross-site profiles, and nothing here follows you to other sites.

Server logs

Like virtually every website, our web server may keep standard technical access logs (for example, IP address, browser type, and the page requested) for security and reliability. These logs are not used to identify individuals and are not linked to any worksheet content.

Your rights and where data is processed

You can ask us for a copy of what we hold about you, ask us to correct it, ask us to delete it, or object to how we use it. Email hello@kidoslab.com and tell us what you want. What we hold is small: the suggestions and sign-ups described above, and the server logs.

Google, Cloudflare and Ahrefs run the analytics tools described above, and they may process data outside your country.

Children's privacy

KidosLab is designed to be operated by a parent, guardian, or teacher. There are no accounts, and nothing a child types on a worksheet or a coloring page is collected, transmitted, or stored, so the service does not knowingly collect personal information from children. The suggestions form is meant for adults: please don't let a child submit through it, and please leave a child's name, school, or contact details out of any message you send us.

No selling of data, no ads

We do not sell personal data, and we do not share the analytics figures with anyone for advertising. There are no adverts on this site — none on the pages and none on the worksheets — and nothing on a printed sheet is an ad. If that ever changes, we will say so here first, and choose family-appropriate, privacy-respecting options.

Changes to this policy

If we make material changes, we will update the date at the top of this page. Continued use of the site after a change means you accept the updated policy.

Contact

Questions about privacy? Email hello@kidoslab.com. See also our Terms of Service.