Jargon Genius Logo Jargon Genius Add to Chrome

Privacy Policy for Jargon Genius Chrome Extension

Last Updated: October 5, 2025

This Privacy Policy describes how Jargon Genius ("we," "our," or "the extension") collects, uses, and protects your information when you use our Chrome extension.

Chrome Web Store Limited Use Compliance

Jargon Genius complies with the Chrome Web Store's Limited Use policy.

User data collected through Chrome APIs is:

  • Used solely to provide and improve the extension's vocabulary learning functionality
  • Not sold to third parties
  • Not used for personalized advertising
  • Not used to determine creditworthiness or for lending purposes

Analytics data is collected only with explicit user consent and is used exclusively to understand feature usage and improve the extension experience.

Information We Collect

1. User-Generated Content (Local Storage Only)

  • Learning Terms: Terms you save or highlight are stored locally in your browser using Chrome's storage API
  • Custom Prompts: Any custom question templates you create
  • Usage Settings: Your preferences and extension settings
  • Chat-Specific Data: Terms are organized by ChatGPT conversation ID for context

All user-generated content remains on your device and is never transmitted to external servers.

2. Usage Analytics (Opt-In Only)

If you explicitly consent to analytics, we collect anonymous usage statistics through PostHog analytics to improve the extension:

  • Feature Usage: Which features you use (sidebar toggles, term additions, document extractions, prompt usage)
  • Performance Metrics: Error rates, initialization success, feature effectiveness
  • Usage Patterns: Usage counts for analytics and product improvement
  • Technical Information: Extension version, browser compatibility data

Important Analytics Privacy Protections:

  • Opt-In Required: Analytics are completely disabled until you explicitly grant consent
  • Anonymous Tracking: No user identification or persistent tracking IDs
  • No IP Collection: IP address and GeoIP data collection are explicitly disabled
  • No Session Recording: Screen recording and session replay are disabled
  • No Cookies: Cookie-based tracking is disabled
  • Revocable Consent: You can withdraw consent at any time through extension settings

3. What We Do NOT Collect

  • ✗ Personal identifiable information (name, email, address)
  • ✗ IP addresses (actively anonymized: $ip: '0')
  • ✗ Browsing history or URLs
  • ✗ ChatGPT conversation content
  • ✗ Location data
  • ✗ Financial information
  • ✗ Authentication credentials
  • ✗ Health information

How We Use Your Information

Local Data Usage

  • Store your learning terms and settings locally in your browser
  • Provide personalized learning experience across ChatGPT sessions
  • Enable offline access to your saved vocabulary lists
  • Remember your preferences and custom prompts

Analytics Usage (Only If You Consent)

  • Improve extension functionality and user experience
  • Monitor feature adoption and effectiveness
  • Identify and fix technical issues
  • Optimize performance and compatibility

Data Storage and Security

Local Storage

  • All user content is stored locally using Chrome's encrypted storage API
  • Data remains on your device and is not transmitted to external servers
  • You maintain full control over your stored learning terms and settings

Data Retention

Local Data

  • Terms, prompts, and settings: Stored indefinitely in your browser until you manually delete them through the extension interface or uninstall the extension
  • You can delete all local data at any time by clearing browser extension data for Jargon Genius

Analytics Data

  • Retention period: Retained by PostHog for the lifetime of the service
  • Anonymous nature: Because analytics are completely anonymous with no user identification, individual analytics data cannot be deleted or attributed to specific users
  • All analytics data is sent to PostHog's servers (us.posthog.com) only if you have opted in to analytics

Third-Party Services

PostHog Analytics (Opt-In Only)

  • Service provider: PostHog Inc. (us.posthog.com)
  • Purpose: Anonymous usage analytics and error reporting
  • Consent Required: Completely disabled unless you explicitly opt in
  • Data sent: Anonymous usage statistics only (feature clicks, errors, usage counts)
  • Data NOT sent: User content, terms lists, prompts, IP addresses, URLs, personal information
  • User control: Opt-in via consent modal; can disable anytime in extension settings
  • PostHog's privacy policy: https://posthog.com/privacy
  • Privacy Configuration:
    • IP address collection disabled (actively set to '0')
    • GeoIP lookup disabled
    • Session recording disabled
    • Cookie tracking disabled
    • No persistent user identification
    • URL and browsing data explicitly stripped from all events
  • Data Location: PostHog US cloud servers (us.posthog.com)

ChatGPT Integration

  • Purpose: Integrate with ChatGPT interface for term learning functionality
  • Data Interaction: Read-only access to conversation content for term highlighting
  • Privacy: No data transmitted outside your browser session
  • Scope: Limited to chatgpt.com domain only

Your Privacy Rights

Data Control

  • Access: View your stored terms and custom prompts through the extension sidebar. Usage statistics (click counts, addition counts) are stored locally but not currently visible in the UI.
  • Deletion: Clear individual terms, entire conversation lists, or all extension data through the extension interface or by clearing browser extension data
  • Settings: Control analytics participation and feature preferences

Analytics Control

  • Initial Consent: Opt-in prompt on first use
  • Ongoing Control: Enable or disable analytics at any time in extension settings
  • No Penalties: All extension features work identically regardless of analytics consent
  • Anonymous Data: Once analytics events are sent to PostHog, they cannot be individually deleted because they are completely anonymous with no user identification

Chrome Extension Permissions

This extension requests minimal permissions:

  • Storage: To save your learning terms and settings locally on your device
  • Host Access (chatgpt.com): To integrate with ChatGPT interface and add learning features
  • Host Access (us.posthog.com): Only if you consent to analytics - used for anonymous usage tracking

Data Sharing and Disclosure

We Do Not Share

  • User-generated content (terms, custom prompts)
  • Personal information or identifiable data
  • Individual usage patterns or behaviors
  • ChatGPT conversation content

Limited Technical Data

  • Anonymous error reports for debugging (no personal information)
  • Aggregated usage statistics for product improvement (only if you consent to analytics)
  • No data is ever sold or shared with third parties for advertising

Children's Privacy

This extension is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

Security Measures

  • Local Encryption: All stored data uses Chrome's secure storage API
  • HTTPS Only: All network communication (analytics only, if consented) uses HTTPS encryption
  • Minimal Permissions: Extension requests only necessary Chrome permissions
  • Content Script Isolation: Scripts run in isolated contexts for security
  • No Remote Code: Extension does not load external JavaScript or CSS
  • Regular Updates: Security patches and improvements through Chrome Web Store

Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted with an updated "Last Updated" date. Continued use of the extension after changes constitutes acceptance of the updated policy. Major changes will be communicated through extension update notes.

Contact Information

For privacy-related questions or concerns:

  • Website: https://jargongenius.com
  • Email: support@jargongenius.com

Data Protection Compliance

This extension is designed to comply with:

  • Chrome Web Store Privacy Requirements
  • GDPR (General Data Protection Regulation - for EU users)
  • CCPA (California Consumer Privacy Act - for California users)
  • Privacy Best Practices for browser extensions

Key Compliance Features

  • Opt-in analytics consent with ongoing control
  • Local-first data storage with no server-side collection
  • Minimal permissions model
  • Anonymous analytics with IP protection
  • Clear data deletion and export capabilities
  • Transparent privacy disclosures

Your Consent

By using Jargon Genius, you acknowledge that you have read and understood this Privacy Policy. For analytics tracking, you will be explicitly asked for consent on first use, and you may withdraw consent at any time.

Privacy Philosophy: Jargon Genius is built on a privacy-first principle. Your learning data stays on your device, analytics are opt-in only, and we collect only what's necessary to improve the extension experience. We believe in transparency, user control, and minimal data collection.