Last updated: March 2026
DataEngPrep.tech ("we", "us", or "our") is committed to protecting your privacy. This Privacy Policy explains what data we collect, how we use it, and your rights regarding your personal information when you use our Service at dataengprep.tech.
We collect the following types of data:
We use Firebase Authentication to manage user sign-in and account creation. When you sign in with email or a third-party provider (e.g., Google), Firebase processes your credentials and provides us with a secure identifier and basic profile information. Firebase is operated by Google and is subject to Google's Privacy Policy. We use Firebase solely for authentication; your email and profile data are used to identify you and personalize your experience.
We use PostHog for product analytics to understand how users interact with our Service. PostHog may collect anonymized usage events such as page views, feature usage, and navigation patterns. This helps us improve the product and fix issues. PostHog processes data in accordance with their privacy practices. We use analytics data in aggregate form; we do not sell your personal data to third parties.
We use cookies and similar technologies for the following purposes:
You can control cookies through your browser settings. Disabling certain cookies may affect your ability to use some features of the Service. You may opt out of personalized advertising by visiting Google Ads Settings. You may also opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info.
We use Google AdSense to display advertisements on our Service. Google AdSense uses cookies and web beacons to collect data about your browsing behavior in order to serve relevant advertisements. This data may include your IP address, browser type, referring pages, and the time of your visits. Google may use information about your visits to this and other websites to provide advertisements about goods and services of interest to you.
For more information on how Google uses data when you use our site, please visit How Google uses data when you use our partners' sites or apps.
You may opt out of personalized advertising at any time by visiting Google Ads Settings or by visiting the Network Advertising Initiative opt-out page.
We integrate with the following third-party services, each of which has its own privacy policy:
We do not control these third parties. We encourage you to review their privacy policies.
We retain your account data for as long as your account is active. Usage and analytics data may be retained in anonymized or aggregated form. If you delete your account, we will delete or anonymize your personal data in accordance with our data retention practices, except where we are required to retain data for legal, regulatory, or legitimate business purposes.
You have the right to:
To exercise these rights, contact us at info@dataengprep.tech. Depending on your location, you may also have additional rights under applicable data protection laws (e.g., GDPR, CCPA).
We implement industry-standard security measures to protect your data, including encryption in transit and at rest, and secure authentication flows. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.
We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on this page and updating the "Last updated" date. Your continued use of the Service after such changes constitutes acceptance of the revised policy.
For questions about this Privacy Policy or your personal data, contact us at info@dataengprep.tech.