Privacy and cookie policy
This policy explains what personal data the website calculators.solutions collects, why it is collected, who it is shared with, how long it is kept, and the rights you have over it. It also describes the cookies used on the website.
1. Data controller
The controller of the personal data is Henrique Rodrigues, sole proprietor registered in France under SIREN number 531 820 850.
Contact: Contact me
2. Data collected
The website collects the following categories of personal data:
- Data you provide voluntarily through the contact form (see section 3): first name, email address, message.
- Technical data collected automatically: IP address, user agent (browser and operating system), referrer, date and time of the request, pages viewed.
- Data collected through cookies and similar technologies for audience measurement and advertising (see section 6).
The calculation tools run in your browser. The values you type into a calculator are not sent to the server and are not stored by the publisher.
3. Contact form
The contact form collects the following information:
- Date and time
- First name
- Email address
- Message
- User's IP address
- Referrer (page the request came from)
- Unique identifier (session ID)
- User agent (browser and operating system)
- Acceptance of the terms of use and the privacy policy
This information is sent by email to the website administrator only, and only after the terms of use and the privacy policy have been accepted and the Send button has been clicked. The technical data (IP address, session ID, user agent, referrer) is collected to prevent abuse and automated submissions.
Providing this data is entirely voluntary. If you choose not to provide it, you simply cannot use the contact form.
4. Purposes and legal bases
Personal data is processed for the following purposes:
- Replying to requests sent via the contact form — legal basis: your consent, given when you submit the form.
- Website security and prevention of abuse — legal basis: the legitimate interest of the publisher in keeping the website available and protected.
- Audience measurement (statistics) — legal basis: your consent, given through the cookie banner.
No automated decision-making or profiling producing legal effects concerning you is carried out on this website.
5. Data sharing
Personal data is never sold. It may be shared with the following categories of recipients:
- Hosting provider — Hostinger International Ltd, for the technical operation of the website.
- Email provider — for the delivery of messages sent through the contact form.
- Google Analytics (Google Ireland Ltd) — audience measurement, and only if you have accepted it. Google privacy policy
This website does not display advertising and does not share data with advertising partners.
Data submitted through the contact form is not shared with analytics partners.
Personal data may also be disclosed where required by law or in response to a valid request from a competent authority.
6. Cookies and similar technologies
6.1 What is a cookie?
A cookie is a small text file placed on your device (computer, tablet, mobile) when you visit a website. It allows the website to remember certain information about your browsing.
6.2 Cookies used
- Strictly necessary cookies — required for the website to work (session management, security, storing your cookie preferences). These do not require your consent.
- Audience measurement cookies — Google Analytics, used to understand how the website is used. Placed only with your consent.
This website does not use advertising cookies. No Google Analytics cookie is placed, and no data is sent to Google, unless and until you accept it.
6.3 Managing your choices
A consent banner is displayed on your first visit. Your choice is stored for 6 months, after which you are asked again.
You can also manage cookies directly in your browser:
6.4 Third-party collection across websites
If you accept audience measurement cookies, Google, named in section 5, may collect personal data about your online activities over time and across different websites. If you don't click in the Accept button, no such collection takes place through this website.
7. Hosting and international transfers
The website is operated by Hostinger International Ltd, a company established in the European Union, on servers located in the United States. Where you have accepted audience measurement, Google may also process data outside the European Economic Area.
8. Retention periods
- Consent records — kept for 6 months, in line with the recommendation of the French data protection authority.
9. Security
The website is served over an encrypted HTTPS connection. Reasonable technical and organizational measures are taken to protect personal data against loss, misuse and unauthorized access. No method of transmission over the internet is completely secure, and absolute security cannot be guaranteed.
10. Changes to this policy
This policy may be modified at any time, in particular to reflect changes in the services used or in applicable law. Any change takes effect as soon as the updated policy is published on this page, and the "last updated" date below is revised accordingly. You are invited to review this page periodically.
Last updated: July 24, 2026