Last updated: March 20, 2026
DSA Patterns does not collect, store, or transmit any personal data. We do not use cookies, analytics, or tracking scripts of any kind.
The DSA Patterns Chrome extension operates entirely offline. It does not make any network requests, does not collect browsing history, and does not access any data beyond the LeetCode pages you visit. All progress data is stored locally in your browser using chrome.storage.local.
The DSA Patterns website is a static site. It loads problem data from bundled JSON files and does not communicate with any external server. No personal information is collected or stored.
We use Google Fonts to load the Inter typeface. Google Fonts may log standard web server access information. See Google Fonts Privacy.
If you have questions about this policy, reach out via the Chrome Web Store listing.