Cookie Policy

1. What are Cookies?

Cookies are small text files that websites place on your device when you visit them. They allow the site to remember your preferences and browsing behaviour, making the experience more personalised and efficient.

2. Cookies We Use

We use three types of cookies: (1) Essential cookies — required for basic site functionality, such as theme (light/dark) and language preferences; (2) Analytics cookies — collect anonymous data about how users browse the site, helping us improve the tools; (3) Session cookies — expire when you close your browser and store no personal data.

3. Third-Party Cookies

We may use third-party analytics services such as Google Analytics, which set their own cookies. These services collect data anonymously and in aggregate to help us understand site performance. Please refer to the respective providers' privacy policies for more information.

4. Managing Cookies

You can control and manage cookies through your browser settings. Most browsers allow you to block or delete cookies. Please note that disabling certain cookies may affect the correct functioning of some site features, such as remembering your theme or language preference.

5. Essential Cookies & localStorage — No Consent Required

Strictly necessary cookies for site operation do not require your consent under Art. 5(3) of the ePrivacy Directive. Additionally, many of the tools on the site use the browser's localStorage to save data locally on your device, such as calculation history, tool preferences and recent results. This data is never sent to our servers and exists only on your device — you can delete it at any time by clearing the site data in your browser settings.

6. Cookie Duration

Session cookies: deleted when you close your browser. Preference cookies (theme, language): retained for 12 months. Analytics cookies: retained according to the provider's policies (typically between 13 and 26 months).

7. Data Collected by Analytics Cookies

Analytics cookies collect data such as: pages visited, time on site, device and browser type, country of access and navigation flow. This data is always anonymous and never allows an individual user to be identified.

8. Changes to This Policy

We may update this Cookie Policy periodically to reflect changes in our practices or applicable law. The date of the last update is always shown at the top of this page.

9. Contact

For questions related to cookies or how we use your data, contact us at info@claudiopereira.pt.