Privacy Policy
Your Privacy Matters to Us
Last Updated: January 17, 2025
1. Introduction
Welcome to EnglishBtoC ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we collect, use, and protect your information. This Privacy Policy explains our data practices for our website at englishbtoc.com and related services.
2. Information We Collect
2.1 Information You Provide
- Text Content: English text you paste for vocabulary extraction
- Learning Data: Vocabulary, exercise results, and learning progress (stored locally on your device)
- Contact Information: Email address when you contact us for support
2.2 Automatically Collected Information
- Usage Data: Pages visited, features used, time spent (via Vercel Analytics)
- Device Information: Browser type, operating system, device type
- Cookies: See section 5 below for details
3. How We Use Your Information
Provide vocabulary extraction and learning services
Improve and personalize user experience
Analyze usage patterns to enhance features
Respond to support requests and communications
Display relevant advertisements (via Google AdSense)
Comply with legal obligations
4. Local Storage & Data Privacy
Your learning data stays on your device. All vocabulary, exercise results, and learning progress are stored in your browser's local storage. We do not upload this data to our servers.
This means:
- Your data is private and under your control
- No one else can access your vocabulary lists
- Clearing browser data will delete your learning history
- Data doesn't sync across devices (it's device-specific)
5. Cookies & Similar Technologies
We use cookies and similar technologies for:
Essential Cookies
Required for basic website functionality (cannot be disabled)
Analytics Cookies
Vercel Analytics (privacy-focused, no personal data collection)
Advertising Cookies
Google AdSense (see section 6 for details)
6. Third-Party Services
Google AdSense
We use Google AdSense to display advertisements. Google may use cookies to show ads based on your visits to this and other websites.
Your choices:
- Opt out of personalized advertising: Google Ad Settings
- Learn more: How Google uses data
Vercel Analytics
Privacy-focused analytics without cookies or personal data collection. Learn more
Google Gemini AI
We use Google Gemini AI for vocabulary extraction and analysis. Text you submit is processed by Google's API. See Google's Privacy Policy
7. Data Sharing & Disclosure
We do not sell your personal information. We may share data only in these limited circumstances:
- With service providers (Google for AI and ads, Vercel for hosting)
- If required by law or legal process
- To protect our rights, safety, or property
- With your explicit consent
8. Data Security
We implement industry-standard security measures to protect your data, including HTTPS encryption, secure hosting infrastructure, and regular security updates. However, no method is 100% secure, and we cannot guarantee absolute security.
9. Your Privacy Rights
Depending on your location, you may have these rights:
- Access: Request a copy of your data
- Correction: Update inaccurate information
- Deletion: Request deletion of your data
- Opt-out: Decline personalized advertising
- Data Portability: Receive your data in a portable format
To exercise these rights, contact us at englishbtoc@gmail.com
10. Children's Privacy
Our service is for users 13 years and older. We do not knowingly collect data from children under 13. If you believe a child has provided us with data, please contact us immediately.
11. International Data Transfers
Your data may be processed in countries outside your residence. We ensure appropriate safeguards are in place to protect your data in compliance with applicable laws (including GDPR for EU users).
12. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy with an updated "Last Updated" date. Continued use after changes constitutes acceptance.
13. Contact Us
If you have questions about this Privacy Policy or our data practices, please contact us:
Email: englishbtoc@gmail.com
Website: englishbtoc.com
Response Time: Within 24-48 hours on business days