1. Data Collection

We collect data to provide you with the best experience possible. This data is collected when you visit our website, use our services, or view our online content. We collect data in the following ways:

• Google Authentication: When you sign in with Google, we collect your profile information including your name (given name and family name), email address, profile photo URL, Google user ID, and account creation/update timestamps
• Login Credentials: If you use username/password login, we store your username and base64-encoded password in browser cookies for authentication persistence
• Browser Storage: We use localStorage (not cookies) to store your preferences including language settings, theme preferences, sidebar settings, login status, cookie consent choice, and temporary data like PDF conversion history (auto-deleted after 24 hours)
• Analytics Data: Through Google Analytics and Google Tag Manager, we collect usage data including page views, site interactions, general location, and your Internet Protocol (IP) address
• Ad-related Data: Google AdSense collects data for serving advertisements
• Performance Monitoring: Cloudflare Insights collects performance and security data

2. Data Usage

Your data is used to provide you with the best experience possible. We only use the data we collect for the purposes for which we collected it. We do not use your data for any other purposes. We do not sell your data to third parties. Data usage includes:

• Authentication & Authorization: Google OAuth data (name, email, profile photo, user ID) is used to authenticate your identity and manage permission levels when accessing protected services
• Personalization: Your preferences stored in localStorage (language, theme, settings) are used to provide a customized experience across sessions
• Analytics: Google Analytics and Google Tag Manager data helps us understand how users interact with our site to improve functionality and user experience
• Advertising: Google AdSense displays advertisements (non-personalized in EU and certain regions if declined via cookie consent)
• Performance & Security: Cloudflare Insights monitors site performance, security threats, and helps protect against malicious activity

3. Third-Party Services

We use the following third-party services to improve your experience:

• Google Analytics (GA4) - Tracks site usage, page views, and user interactions to help us understand how visitors use our website
• Google Tag Manager - Manages and deploys marketing tags and analytics tracking
• Google AdSense - Serves advertisements on our website. Ads are non-personalized in the EU and certain regions if you decline cookie consent
• Google OAuth - Handles secure authentication when you sign in with your Google account
• Cloudflare Insights - Provides performance monitoring, security analytics, and protection against malicious traffic

• Google Privacy Policy
• Cloudflare Privacy Policy

4. Data Protection

We take the protection of your data seriously. All data is processed securely and in accordance with applicable data protection laws. We implement appropriate technical and organizational measures to ensure a level of security appropriate to the risk, including:

• Secure data transmission using HTTPS
• Regular security updates and monitoring
• Limited access to personal data by authorized personnel only
• Anonymization of data where possible

5. Data Sharing

We do not sell or rent your personal data to third parties. However, data is shared with the following service providers to operate our website:

• Google (Analytics, AdSense, Tag Manager, OAuth): Receives usage data, authentication information, and serves advertisements
• Cloudflare: Receives performance and security monitoring data

6. Data Retention & Your Rights

Data Retention:

• localStorage Data: Stored locally in your browser until you clear your browser data or manually log out. PDF conversion history is automatically deleted after 24 hours.
• Authentication Cookies: Persist until you log out or clear your browser cookies
• Google OAuth Data: Retained as long as your account is active. You can request deletion by contacting us.
• Analytics Data: Retained according to Google Analytics data retention policies (typically 14-26 months)

Your Rights: You have the right to access, correct, delete, or export your personal data. To exercise these rights, please contact us at [email protected]. You can also:

• Clear your browser's localStorage and cookies to remove locally stored data
• Opt out of Google Analytics using the Google Analytics Opt-out Browser Add-on
• Decline cookie consent to prevent non-essential tracking
• Log out to remove authentication cookies