Master LeetCode With Spaced Repetition

Make Two Pointers, BFS, and Sliding Window feel like instinct.

Add to Chrome View on GitHub
^ Try rating one!

Why LeetSRS?

Smart Scheduling
Reviews appear just before you forget.
GitHub Sync
Sync across devices. Or keep everything local.
LeetCode Integration
Works right on LeetCode.com. No separate app.
Private by Default
Data stays in your browser. No accounts required.

How It Works

Get started in minutes and see results in days

  1. 1
    Install the Extension
    One click, no configuration.
  2. 2
    Mark Problems for Review
    Add solved problems to your review deck.
  3. 3
    Review at Optimal Times
    Problems reappear right before you forget.

Screenshots

LeetSRS main dashboard

Daily Reviews

Your personalized queue shows problems scheduled by the algorithm based on your past performance.

LeetSRS review cards

Smart Review Cards

Rate your performance with Again, Hard, Good, or Easy. The algorithm learns from each rating to optimize your review schedule.

LeetSRS statistics

Track Your Progress

Visualize your improvement with streak tracking and review history. See how your skills evolve over time!

LeetSRS in action on LeetCode

Free and Open Source

View on GitHub Report an Issue

Start Mastering LeetCode Today

Add to Chrome