LeetRev - LeetRevision sync by Agnik Paul

1-click sync your solved problems from LeetCode, Codeforces, CodeChef, GeeksforGeeks, AtCoder, CodeStudio, InterviewBit, HackerRank, and HackerEarth for spaced repetition.

Available on Firefox for Android™

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About this extension

LeetRev Companion is the official browser extension for LeetRevision — the personal spaced-repetition revision tracker designed for competitive programmers and software engineers preparing for coding interviews.

Never forget a problem you solved. LeetRev automatically detects your authenticated sessions across 9 major coding platforms and syncs your latest solved problems directly into your personalized spaced-repetition queue (Day 1, Day 7, Day 30, Day 90 intervals).

🔥 Key Features:

• 1-Click Multi-Platform Sync: Instantly detect session tokens and import your solved problems without manually copying URLs.
• Cross-Platform Deduplication: Solved the same problem on LeetCode and Codeforces? LeetRev automatically links both platform URLs under one single revision record.
• Privacy-First & Lightweight: Operates entirely locally in your browser. No credentials or passwords are ever stored or sent to third parties.
• Zero-Configuration: Works right out of the box with your LeetRevision account.

🚀 9 Supported Coding Platforms:

LeetCode (leetcode.com)
Codeforces (codeforces.com)
CodeChef (codechef.com)
GeeksforGeeks (geeksforgeeks.org)
AtCoder (atcoder.jp)
CodeStudio / Code360 (codingninjas.com)
InterviewBit (interviewbit.com)
HackerRank (hackerrank.com)
HackerEarth (hackerearth.com)

Supercharge your algorithm revision workflow today with LeetRev!

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Permissions and data

Optional permissions:

Access your data for sites in the leetcode.com domain
Access your data for sites in the codeforces.com domain
Access your data for sites in the codechef.com domain
Access your data for sites in the geeksforgeeks.org domain
Access your data for sites in the atcoder.jp domain
Access your data for sites in the codingninjas.com domain
Access your data for sites in the naukri.com domain
Access your data for sites in the interviewbit.com domain
Access your data for sites in the hackerrank.com domain
Access your data for sites in the hackerearth.com domain
Access your data for sites in the approjects.me domain
Access your data for sites in the vercel.app domain
Access your data for leetrevision.approjects.me
Access your data for localhost:3000

Data collection:

The developer says this extension doesn't require data collection.