Privacy Policy

Privacy Policy

Note for international visitors: This privacy policy is written in accordance with German and EU law. The EU General Data Protection Regulation (GDPR) applies throughout Europe and grants you the rights described below regardless of your country of origin. Some sections reference additional German statutes (TDDDG, BDSG) that complement the GDPR locally. Pursuant to Art. 13 and 14 GDPR as well as § 25 TDDDG (German Telecommunications Digital Services Data Protection Act), we hereby inform you about the processing of personal data on this website.

As of: June 2026

1. Controller (Data Protection Contact)

The controller within the meaning of the GDPR is:

Pascal Posse
c/o Online-Impressum #9177
Europaring 90
53757 Sankt Augustin
Germany

Email: info@hydrogentools.de
Contact: Contact Form

2. General Information on Data Processing

We process personal data of our users only to the extent necessary to provide a functional website and our content and services. Processing of personal data is generally only carried out with the user's consent (Art. 6(1)(a) GDPR) or on the basis of a legitimate interest (Art. 6(1)(f) GDPR).

3. Hosting with IONOS

This website is hosted by IONOS SE, Elgendorfer Str. 57, 56410 Montabaur, Germany. IONOS is a European provider with servers exclusively in the EU/EEA, meaning your data does not leave the European Economic Area.

When you access this website, information is automatically collected in so-called server log files, which your browser automatically transmits:

  • IP address of the requesting device
  • Date and time of access
  • Name and URL of the retrieved file
  • Website from which access originates (referrer URL)
  • Browser used and, where applicable, the operating system

Legal basis: Art. 6(1)(f) GDPR (legitimate interest in the secure and stable provision of the website)
Retention period: Log files are deleted after a maximum of 7 days.
Data Processing Agreement (DPA): A data processing agreement has been concluded with IONOS pursuant to Art. 28 GDPR. Further information: ionos.de/hilfe/datenschutz

4. Contact Form (Everest Forms)

This website provides a contact form operated using the plugin Everest Forms When you use the form, the following data is collected and stored:

  • Your name
  • Your email address
  • Your chosen subject
  • Your message text
  • Time of submission
  • Your IP address (server-side)

Purpose: Processing your inquiry and establishing contact.
Legal basis: Art. 6(1)(f) GDPR (legitimate interest in communication) or Art. 6(1)(b) GDPR (pre-contractual measures, where applicable).
Retention period: Your inquiry will be deleted after final processing, but no later than 90 days, unless statutory retention obligations apply.
Disclosure: The data is used exclusively to respond to your inquiry and is not shared with third parties.

Please note that by submitting the form you consent to the processing of your data for the stated purpose. You may revoke this consent at any time with future effect by sending an email to info@hydrogentools.de senden.

5. Visitor Counter (Live Visitor Counter)

This website uses the plugin Live Visitor Counter (wp-visitors-widget), which displays an anonymous visitor counter. Only the total number of page views is recorded — no personal data is stored and no cookies are set by this plugin. Individual visitors cannot be identified.

Legal basis: Since no personal data is collected, no legal basis is required.

6. Multilingual Support (TranslatePress)

This website uses the plugin TranslatePress to provide an English-language version. TranslatePress stores the user's chosen language in a technically necessary cookie (trp_language) to keep the language experience consistent across the website.

Stored data: Only the chosen language preference (e.g. "de" or "en").
Legal basis: Art. 6(1)(f) GDPR; § 25(2) No. 2 TDDDG (German law: technically necessary cookie — no consent required under EU and German law).
Retention period: The cookie expires at the end of the session or after 365 days.
Disclosure: No disclosure to third parties. Processing takes place exclusively on our server.

7. Embedded External Content (Microsoft OneDrive / iFrames)

The calculators provided on this website are embedded as iFrames and hosted via Microsoft OneDrive (onedrive.live.com / 1drv.ms). When such an iFrame is loaded, your browser establishes a direct connection to Microsoft's servers. The following data may be transmitted to Microsoft:

  • Your IP address
  • Browser type and version
  • Time of access
  • The URL accessed

Microsoft may process this data in accordance with its own privacy policy. Processing may take place on servers outside the EU/EEA; however, Microsoft provides Standard Contractual Clauses (SCCs) as a data transfer safeguard, as required by Art. 46 GDPR.
Legal basis: Art. 6(1)(f) GDPR (legitimate interest in providing the calculation tools).
Further information: Microsoft-Datenschutzerklärung

8. SSL/TLS Encryption

This website uses SSL/TLS encryption to protect data transmission (recognisable by "https://" in your browser's address bar). This means data you transmit cannot be read by third parties in transit.

9. Your Rights as a Data Subject (GDPR)

Under the EU General Data Protection Regulation (GDPR), you have the following rights — these apply regardless of your country of residence, as long as the GDPR governs the processing:

  • Right of access (Art. 15 GDPR): You have the right to obtain information about the personal data we store about you.
  • Right to rectification (Art. 16 GDPR): You may request the correction of inaccurate or incomplete data.
  • Right to erasure (Art. 17 GDPR): You may request the deletion of your personal data, provided no statutory retention obligations apply.
  • Right to restriction of processing (Art. 18 GDPR): You may, under certain circumstances, request that the processing of your data be restricted.
  • Right to data portability (Art. 20 GDPR): You may request to receive your personal data in a structured, commonly used, machine-readable format.
  • Right to object (Art. 21 GDPR): You may object at any time to the processing of your data on the basis of legitimate interests.
  • Right to withdraw consent (Art. 7(3) GDPR): If processing is based on consent, you may withdraw it at any time with future effect.

To exercise any of these rights, please contact us at: info@hydrogentools.de

10. Right to Lodge a Complaint with a Supervisory Authority

Pursuant to Art. 77 GDPR, you have the right to lodge a complaint with a data protection supervisory authority. As a German-based website, our competent authority is the state supervisory authority of North Rhine-Westphalia (NRW). However, EU residents may also contact the supervisory authority in their own EU member state. Non-EU visitors may contact us directly.

State Commissioner for Data Protection and Freedom of Information NRW (LDI NRW) — German supervisory authority competent for this website:
P.O. Box 20 04 44
40102 Düsseldorf, Germany
Phone: +49 211 / 38424-0
Email: poststelle@ldi.nrw.de
Website: www.ldi.nrw.de

11. Currency and Updates to this Privacy Policy

This privacy policy is currently valid as of June 2026. Due to the further development of our website or changes in German and EU legal requirements, it may become necessary to update this policy. The current version is always available at hydrogentools.de/datenschutz/ .

Note: This privacy policy was drafted on the basis of German and EU data protection law (GDPR, TDDDG, BDSG) and the technologies actually used on this website. The GDPR grants equivalent rights to all individuals, regardless of nationality. This document does not constitute individual legal advice. In cases of legal uncertainty, we recommend consulting a specialist lawyer or using a certified generator such as eRecht24.