Privacy
Policy

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Introduction

This Privacy Policy explains how Hidden in Numbers ("we", "us", or "our") handles information in connection with the operation of this website (hiddeninnumbers.com).

This policy is provided in accordance with the General Data Protection Regulation (EU) 2016/679 (GDPR) and applicable Danish data protection law.

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Data Controller

The data controller responsible for this website is:

As this website does not process personal data, the formal role of "data controller" is noted here for transparency, even though no processing activities take place.

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Data We Do Not Collect

When you visit this website, we do not collect, store, or process any of the following:

• Your name, email address, or any other contact information
• Your IP address or device identifiers
• Your browsing behaviour, page views, or time spent on pages
• Your location data
• Any data entered into interactive tools on this site (e.g. the Decoder)
• Any form submissions (there are no contact forms on this website)

All interactive features on this website (the binary decoder, coordinate lookup, product encoder) operate entirely within your browser. No data is transmitted to any server operated by us.

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Cookies & Tracking

We do not use:

• Analytics tools (Google Analytics, Plausible, Matomo, etc.)
• Advertising or retargeting pixels (Meta Pixel, Google Ads, etc.)
• Session storage or local storage for user identification
• Social media tracking scripts
• Any third-party scripts that collect data about you

The only third-party resources loaded by this website are:

• Google Fonts — typography files (Space Mono, Rajdhani). Google may log your IP address when serving these files. See Google's Privacy Policy. We use the rel="preconnect" optimisation; fonts are served directly from Google's CDN and not stored by us.
• OpenStreetMap tiles — used on the Contact and Decoder pages to render maps via the open-source Leaflet.js library. OpenStreetMap may log your IP address when serving map tiles. See OSM's Privacy Policy.
• Nominatim (OpenStreetMap) — used in the Decoder's coordinate lookup tool to reverse-geocode coordinates you enter. Requests are made directly from your browser. See OSM's Privacy Policy.
• unpkg.com CDN — used to serve the Leaflet.js library file. unpkg may log IP addresses for CDN delivery purposes. See unpkg.

We have no control over or access to data logged by these third-party services. Their use is limited to functional purposes (font rendering and map display).

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Your Rights Under GDPR

Under the GDPR, you have the following rights in relation to your personal data:

• Right of access (Art. 15) — to know what data we hold about you
• Right to rectification (Art. 16) — to correct inaccurate data
• Right to erasure (Art. 17) — "the right to be forgotten"
• Right to restriction of processing (Art. 18)
• Right to data portability (Art. 20)
• Right to object (Art. 21)

As we do not collect or store any personal data, exercising these rights in relation to Hidden in Numbers will, in practice, result in confirmation that we hold no data about you. You may contact us at any time at hello@hiddeninnumbers.com with any data-related requests.

You also have the right to lodge a complaint with the Danish data protection supervisory authority:

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Children's Privacy

This website is not directed at children under 16 years of age. We do not knowingly collect data from children. As no data is collected from any visitor, this equally applies to visitors of all ages.

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Changes to This Policy

We may update this Privacy Policy if our practices change or if required by applicable law. Any material changes will be reflected in the "Last Updated" date at the top of this page. We encourage you to review this page periodically.

Continued use of the website after any changes constitutes acceptance of the updated policy.

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Contact

For any questions about this Privacy Policy or data protection at Hidden in Numbers, contact us at: