Privacy Policy
Last updated: 31 March 2026
NoteNinja ("we", "us") operates noteninja.online. This Privacy Policy explains how we collect, use, and protect your information.
Information We Collect
- Account data: When you sign in with Google, we receive your name, email address, and profile picture.
- Usage data: Topics you generate and feature usage counts (stored anonymously for analytics).
- Technical data: IP address (for rate limiting), browser user-agent, and API call timestamps.
How We Use Your Data
- To authenticate your account and keep you signed in
- To generate AI-powered study notes, flashcards, and MCQs
- To track aggregate usage for product improvement
- To send smart revision reminders you opt into
Google AdSense & Advertising
We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your visits to this and other websites. You can opt out at Google Ad Settings or aboutads.info.
Third-Party Services
- Google OAuth — Authentication. Subject to Google's Privacy Policy.
- Groq API — AI content generation. Topic queries are sent to Groq servers.
- MongoDB Atlas — Cloud database for account and feedback data.
- Razorpay — Payment processing for optional support. Card details are never stored by us.
Cookies
- localStorage: Your auth token and notes history are stored in your browser only.
- Google AdSense cookies: For ad personalisation (can be disabled via Google Ad Settings).
Data Retention
Account data is retained while your account is active. Notes history exists only in your browser's localStorage and is never uploaded to our servers.
Children's Privacy
NoteNinja is for students aged 13 and above. We do not knowingly collect data from children under 13.
Security
We implement HTTPS, rate limiting, input sanitisation, and CORS restrictions to protect your data.
Contact
For privacy questions or data deletion: kalpeshwadile6@gmail.com