Privacy Policy

At Helios Language Learning, we take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your information when you use our Chrome extension and related services.

Information We Collect

Data Stored Locally

Helios primarily operates as a client-side application, storing most of your data locally on your device:

• Known Words: Words you've marked as "known" are stored locally in your browser
• Language Preferences: Your selected target and native languages
• Extension Settings: Your personalized configuration and preferences
• Progress Data: Local tracking of your learning statistics and comprehension metrics

Translation Services

When you request translations, we may send individual words or phrases to third-party translation services. This data is:

• Transmitted securely using HTTPS encryption
• Not stored on our servers
• Subject to the privacy policies of the translation service providers

Analytics (Optional)

How We Use Your Information

We use the collected information to:

• Provide translation and language learning features
• Maintain your learning progress and known words list
• Improve our extension based on usage patterns (if analytics are enabled)
• Provide technical support when requested
• Ensure the security and functionality of our services

Data Sharing and Third Parties

We respect your privacy and have strict policies about data sharing:

We DO NOT:

• Sell your personal information to third parties
• Share your learning progress or known words with anyone
• Store the content of web pages you visit
• Track your browsing history
• Share data for advertising purposes

We DO share limited data with:

• Translation Services: Individual words/phrases for translation (not stored)
• Anki: Only cards you explicitly choose to export
• Analytics Services: Only anonymized usage data if you opt-in

Data Security

We implement several security measures to protect your information:

• Local Storage: Most data never leaves your device
• Encryption: All network communications use HTTPS/TLS encryption
• Minimal Data Collection: We only collect what's necessary for functionality
• No Persistent Storage: We don't maintain databases of user content
• Regular Security Audits: We regularly review our security practices

Your Rights and Choices

You have full control over your data:

Access and Control

• View Your Data: All locally stored data is accessible through the extension interface
• Export Your Data: Export your known words and progress data at any time
• Delete Your Data: Clear all extension data through browser settings or extension options
• Opt-out: Disable analytics or any optional data collection features

Browser Controls

You can also manage your data through your browser:

• Remove the extension to delete all local data
• Clear extension data through Chrome's extension management
• Control which websites the extension can access

Children's Privacy

Helios is suitable for language learners of all ages. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

International Users

Helios is available globally. If you're using our extension outside your country of residence, please note that your data may be processed in different jurisdictions. We maintain the same privacy standards regardless of location.

Changes to This Policy

We may update this Privacy Policy periodically to reflect changes in our practices or applicable laws. When we make changes:

• We'll update the "Last updated" date at the top of this policy
• Significant changes will be announced through the extension
• Continued use of the extension constitutes acceptance of the updated policy

Third-Party Services

Helios integrates with several third-party services. Please review their privacy policies:

• Google Translate API: Google Privacy Policy
• Anki: Data you export is subject to Anki's terms and your local storage
• Chrome Web Store: Google Privacy Policy