🔒 Privacy Policy

Your privacy is my priority. Learn how I protect your data and what information I collect when using szyfrownik.com.

📋 Basic Information

Effective date: August 12, 2025

Last update: August 12, 2025

Data administrator: Michał (szyfrownik.com)

Contact: maleszewski.michal@gmail.com

📊 What data I collect

🚫 Data I do NOT collect

  • • Texts you enter for encryption/decryption
  • • Results of cryptographic operations
  • • Personal data (name, surname, address)
  • • Account information (no registration required)
  • • Application activity history

📈 Data I collect automatically

  • Technical data: browser type, operating system (anonymously)
  • Usage statistics: most popular pages, time spent (Google Analytics)
  • Error data: technical information about crashes (for improvements)
  • IP address: temporarily, only for security purposes

🎯 How I use data

📊 Statistics analysis

I use Google Analytics to analyze website traffic, which helps me better understand user needs and improve my tools.

🔧 Functionality improvement

Error and performance data helps me identify and fix technical problems.

🛡️ Security

I monitor traffic to detect potential security threats and attacks.

💰 Advertising

I use Google AdSense to display ads that finance the development of the service. Ads are matched based on page content, not your personal data.

🍪 Cookies

I use cookies to a limited extent:

🔧 Technical data

I store only basic technical information (application version) locally in the browser for proper operation of the update system.

📊 Analytics cookies

Google Analytics uses cookies to track usage statistics (anonymously).

💰 Advertising cookies

Google AdSense may use cookies to personalize ads according to their own policies.

How to manage cookies: You can disable cookies in your browser settings, however this may limit application functionality.

🤝 Third-party services

📈 Google Analytics

I use Google Analytics for traffic analysis. Google may collect data according to its own privacy policy. More: policies.google.com/privacy

💰 Google AdSense

I display ads through Google AdSense. Google may use advertising cookies according to its own policy. More: policies.google.com/technologies/ads

🌐 CDN and hosting

I use CDN and hosting services that may process technical data to deliver content.

⚖️ Your rights (GDPR)

According to GDPR you have the right to:

🔍 Access to data

You can ask what data I store about you.

✏️ Data rectification

You can request correction of incorrect data.

🗑️ Data deletion

You can request deletion of your data.

🚫 Objection

You can object to data processing.

Note: Since I don't store data entered into the application, most operations happen automatically. Contact me regarding analytical data.

🛡️ Data security

🔒 Connection encryption

All communication is done through HTTPS protocol with TLS encryption.

💻 Local processing

All cryptographic operations are performed in your browser - data doesn't leave your device.

🔧 Regular updates

I regularly update software and server security.

📊 Data minimization

I collect only minimal amounts of data necessary for service operation.

📝 Changes to policy

I may update this privacy policy in response to:

  • • Changes in legal regulations
  • • New application features
  • • Changes in external services
  • • Security improvements

Notification of changes: I will inform about significant changes through a banner on the main page or a message in the application.

📧 Contact regarding privacy

Have questions about my privacy policy or want to exercise your rights? Contact me.