Privacy Policy
Last updated: 27 May 2025๐ Short version: All tools on UsefulTools.eu run entirely in your browser. We do not collect, store or transmit any data you enter into our tools. We use Google Analytics to understand site traffic and Google AdSense to display ads.
1. Controller / Data Controller
The controller responsible for data processing on this website within the meaning of the General Data Protection Regulation (GDPR) is the operator of UsefulTools.eu. For contact details please refer to the Imprint.
2. What Data We Collect and Why
2.1 Server Log Files
When you visit our website, our web server automatically records the following information in log files:
- IP address of the requesting device (anonymised)
- Date and time of the request
- URL of the page accessed
- Browser type and version
- Operating system
- Referring URL
This data is processed on the basis of our legitimate interest (Art. 6(1)(f) GDPR) in the secure and efficient operation of the website. Log files are retained for a maximum of 30 days and then deleted.
2.2 Tool Inputs
All tools on UsefulTools.eu โ including the Word Unscrambler, QR Code Generator, Barcode Generator, Unit Converter, Random Number Generator, Age Calculator, Binary Converter, Percentage Calculator, UUID Generator and BMI Calculator โ process data exclusively in your browser. No input data is transmitted to our servers or stored in any way.
2.3 Google Analytics
We use Google Analytics (Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA) to analyse how visitors use our website. Google Analytics uses cookies and similar tracking technologies to collect anonymised usage data such as:
- Pages visited and time spent on each page
- Geographic region (country/city level)
- Device type, browser and operating system
- Traffic source (search engine, direct, referral)
We have enabled IP anonymisation (IP masking). Your full IP address is never stored. Data is transferred to Google servers in the USA under the EU-US Data Privacy Framework. The legal basis is your consent (Art. 6(1)(a) GDPR) and our legitimate interest (Art. 6(1)(f) GDPR) in improving our services.
You can opt out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.
Google's privacy policy: policies.google.com/privacy
2.4 Google AdSense
We use Google AdSense (Google LLC) to display advertisements. Google AdSense may use cookies and web beacons to serve personalised ads based on your browsing behaviour across websites. The data collected may include:
- Browsing and interest data for ad personalisation
- Device and browser identifiers
- Interaction with ads (clicks, impressions)
You can manage your Google ad settings and opt out of personalised advertising at adssettings.google.com.
Our publisher ID is: pub-1884431726472646
3. Cookies
UsefulTools.eu itself does not set first-party cookies. Third-party services (Google Analytics, Google AdSense) may set cookies on your device. You can control cookies through your browser settings or a consent management tool.
For more information about Google's use of cookies see: policies.google.com/technologies/cookies
4. Your Rights Under GDPR
If you are located in the European Economic Area (EEA), you have the following rights regarding your personal data:
- Right of access โ You may request a copy of the personal data we hold about you.
- Right to rectification โ You may request correction of inaccurate data.
- Right to erasure โ You may request deletion of your personal data.
- Right to restriction โ You may request that we limit the processing of your data.
- Right to data portability โ You may request your data in a structured, machine-readable format.
- Right to object โ You may object to processing based on legitimate interest.
- Right to withdraw consent โ Where processing is based on consent, you may withdraw it at any time.
To exercise any of these rights, please contact us via the details in the Imprint. You also have the right to lodge a complaint with your national data protection supervisory authority.
5. External Links
Our website may contain links to third-party websites. We have no control over the content or privacy practices of those websites and accept no responsibility for them. Please review the privacy policy of any site you visit.
6. Children's Privacy
Our website is not directed at children under the age of 13. We do not knowingly collect personal data from children. If you believe a child has provided personal data to us, please contact us and we will delete it promptly.
7. Changes to This Policy
We may update this Privacy Policy from time to time. The date at the top of this page indicates when it was last revised. We encourage you to review this page periodically.
8. Contact
For any privacy-related questions or requests, please use the contact details provided in our Imprint.