Datenschutzerklärung
What Bordcheck stores about you, why, for how long, and what you can do about it. Required by Art. 13 GDPR.
Last updated 3 Oct 2026
The principle this site is built on
Bordcheck asks for no sign-in, no email address and no account. You can plan your system, have it checked and export it without telling us who you are. There is no Google Analytics, no Facebook pixel, no advertising cookie and no tracking across other websites. That is also why you see no cookie banner here: we set nothing that would need your consent.
Controller
Jona NeefMain-Neckar-Bahn-Straße 4568535 Edingen-Neckarhausen, GermanyWe have not appointed a data protection officer; we are not required to.
What is stored, and why
Every kind of data Bordcheck holds is in this list. Nothing beyond it is collected.
Language preference
- Where it comes from
- A cookie on your device, set only once you choose a language
- Why it is needed
- So the page opens in the language you chose, not the one guessed for you
- Legal basis
- Art. 6 (1) (f) — a preference you asked for
- Kept for
- 400 days from your choice, or until you clear your browser
Visitor identifier
- Where it comes from
- A random number in a cookie, and the matching row in the database
- Why it is needed
- So this browser finds the designs it made, without an account or a password
- Legal basis
- Art. 6 (1) (b) — providing the service you asked for
- Kept for
- 400 days from the visit on which it was set
Your design
- Where it comes from
- What you put on the canvas: components, cables, lengths and the name you gave it
- Why it is needed
- So it survives a reload, a new device and a link you share
- Legal basis
- Art. 6 (1) (b) — providing the service you asked for
- Kept for
- As long as the design exists
Feedback you send
- Where it comes from
- The message you type, and your email address only if you add one
- Why it is needed
- So the problem you reported can be understood and answered
- Legal basis
- Art. 6 (1) (f); Art. 6 (1) (a) for the email address you chose to give
- Kept for
- The message stays; the email address is erased after 180 days
Usage events
- Where it comes from
- What happened and when — no IP address, no browser, no link to you
- Why it is needed
- So it is visible which parts of the tool work and which do not
- Legal basis
- Art. 6 (1) (f) — improving the tool
- Kept for
- 180 days
IP address
- Where it comes from
- The address your request arrives from
- Why it is needed
- So one machine cannot flood the site with requests
- Legal basis
- Art. 6 (1) (f) — keeping the service available
- Kept for
- In memory only, for one rate-limit window, then gone
Export survey answers
- Where it comes from
- The three questions asked when you export, if you answer them
- Why it is needed
- So it is known who the tool is actually being used for
- Legal basis
- Art. 6 (1) (a) — you chose to answer
- Kept for
- Kept without a time limit: the answers are joined to nothing else and cannot be traced to a person
Your designs
When you plan a system we store the document on our server so you can open it again from another device and share it over a link. It holds what you entered — components, values, cable lengths and the names you give them. We assume nothing personal about you is in there; if you give your design your own name, your name is in there.
A design is reachable only over its link. Whoever has the link can read it. The edit link is a second secret: whoever has it can change the design. Treat both like a password.
Legal basis: Art. 6 (1) (b) GDPR — without storage there is no service. Kept for: as long as the design exists.
Usage measurement
We measure how Bordcheck is used, but without recognising you. The evaluation runs on our own server. What is recorded is what happened — a component was added, an export was opened — and when.
Not recorded: your IP address, your browser (user agent), the page you came from (referrer), the visitor cookie or any hash of it, and no identifier of your designs. Events within one visit are tied together by a random number that lives only in the memory of your browser tab and reaches neither a cookie nor localStorage.
Legal basis: Art. 6 (1) (f) GDPR. Kept for: 180 days, after which the entries are deleted.
Feedback you send
When you write to us through the feedback function we store your message and — if you tick the boxes — the design it is about and the findings Bordcheck showed for it. You may give an email address, but you do not have to. It is used only to answer you. No account, no newsletter, no list.
Not stored: your IP address, your browser and the page you came from.
Legal basis: Art. 6 (1) (f) GDPR, and for the email address Art. 6 (1) (a) GDPR — consent you may withdraw at any time. Kept for: we keep the message to improve the product; your email address is erased after 180 days.
Sending email
When you send us feedback, it reaches us as an email we send through Brevo (Sendinblue SAS, Paris, France). Brevo processes the content of the message, the attached design and, if you gave one, your email address on our behalf, under a data processing agreement pursuant to Art. 28 GDPR. Brevo may have data processed outside the European Economic Area; Standard Contractual Clauses pursuant to Art. 46 GDPR apply to that.
IP address
To prevent abuse we briefly count how many requests come from one address. That count lives in memory alone, for at most the length of one window, and is neither stored nor logged anywhere. Legal basis: Art. 6 (1) (f) GDPR.
Hosting
Bordcheck runs at Codesphere GmbH, in a data centre in Frankfurt am Main, Germany. A data processing agreement pursuant to Art. 28 GDPR is in place. No transfer to a third country takes place.
Accounts and payment
There are at present neither accounts nor payment. The full export is free and needs no sign-in.
Your rights
You have the right of access (Art. 15), rectification (Art. 16), erasure (Art. 17), restriction (Art. 18), data portability (Art. 20) and objection (Art. 21).
In practice: because Bordcheck does not know you, an email asking us about your data usually cannot be matched to a stored person — there is none. If you want a particular design deleted, send us its link.
Complaining to a supervisory authority
You may also complain to a data protection supervisory authority (Art. 77 GDPR), in particular in the country where you live or work, or where you believe something went wrong.
Changes
This statement describes the position as of the date at the top of this page. When what Bordcheck stores changes, we change it.