Privacy Policy - Subtiltée Extension
Last Updated: June 25, 2025
Thank you for using Subtiltée — a browser extension designed to help you master foreign languages through interactive subtitles of your favorite series and movies. Your privacy is important to us. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.
Website Content
- Video metadata: Video titles, duration, and playback information from streaming websites
- Subtitle content: Text content from subtitles for language learning features
- Learning progress: Exercise results, quiz scores, and language learning statistics
User Preferences (Stored Locally)
- Language settings and preferences
- Display settings for subtitles
- Learning history and progress
- Extension configuration settings
Optional Customer Support Data
- Email address: Only if you choose to contact us through the integrated chat support
- Chat messages: Conversation history if you use the customer support chat feature
The extension does NOT require:
- Personal identification information for basic functionality
- Authentication credentials or passwords
- Financial or payment information
- Location data
- Web browsing history outside of video content
We use the collected information solely for:
- Providing interactive subtitles synchronized with video content
- Generating language learning exercises based on subtitle content
- Personalizing your learning experience with progress tracking
- Improving subtitle accuracy through AI-powered language processing
- Customer support (only if you choose to contact us via chat)
3. Data Storage and Processing
Local Storage
All user data is stored locally in your browser using Chrome’s storage API. Your personal learning progress and preferences never leave your device.
Optional Customer Support
If you choose to use our chat support:
- Email addresses and chat conversations are handled by Crisp.io
- This data is used solely for customer support purposes
- You can use the extension fully without providing any contact information
External Services
We use the following external services that may receive non-personal data:
- TMDB API: Receives only video titles to fetch public movie/TV show metadata
- OpenSubtitles API: Receives only video titles to download public subtitle files
- AI Services: Subtitle content is sent to generate learning exercises (no personal data included)
- Crisp Chat Support: Optional chat widget for customer support (email collection is optional)
4. Data Sharing
What We Don’t Share
- We do NOT sell, rent, or share your personal information with third parties
- We do NOT track your browsing activity outside of video content interaction
- We do NOT store your data on our servers (except optional support conversations)
Third-Party Services
The extension communicates only with:
- Public subtitle databases for subtitle retrieval
- AI services for educational content generation (subtitle text only)
- Movie databases for public metadata (titles only)
- Crisp.io for optional customer support chat
5. Your Data Rights
Local Control
- All your learning data is stored locally and under your control
- You can clear all extension data through Chrome’s extension settings
- Uninstalling the extension removes all stored data
Customer Support Data
- Contact information provided via chat is optional
- You can request deletion of support conversations by contacting us
- You can use all extension features without providing contact information
No Account Required
- No registration or account creation required for basic functionality
- No personal information collection for core features
- Extension works fully offline for subtitle processing
6. Children’s Privacy
Subtiltée does not knowingly collect any personal information from children under the age of 13. Since we don’t collect personal data for core functionality and all processing is done locally, the extension is safe for educational use by children under parental supervision. If customer support is needed, parental supervision is recommended.
7. Security
- All data processing occurs locally in your browser
- No personal data transmission to external servers for core functionality
- Customer support data handled securely by Crisp.io according to their privacy policy
- Regular security updates through Chrome Web Store
8. Changes to This Privacy Policy
If we update our Privacy Policy, we will:
- Update the “Last Updated” date at the top of this policy
- Notify users through extension updates when significant changes occur
- Maintain previous versions for reference
9. Technical Details
Permissions Used
- activeTab: To detect video players and synchronize subtitles
- storage: To save your preferences and learning progress locally
- scripting: To inject the learning interface into web pages
- sidePanel: To provide the main extension interface
- host_permissions: To work on all video streaming websites
Data Processing
- Subtitle parsing and language analysis performed locally
- AI-generated exercises created from subtitle content only
- No user behavior tracking or analytics collection
- Optional chat support handled by third-party service (Crisp.io)
If you have any questions or concerns about this Privacy Policy or the extension’s data practices, feel free to contact us at:
📧 contact@subtiltee.com
Or use the optional chat support integrated in the extension sidebar.
This Privacy Policy is effective as of the date stated above and applies to all users of the Subtiltée browser extension.