Free & Open Source · No account needed

Master LeetCode.
Track Every Step.

A focused tracker for your coding interview prep — 63 curated problems, solution notes, a Shiki-powered code editor, streak tracking, and a GitHub-style activity heatmap. All saved locally in your browser.

63Curated Problems
10Core Topics
11Languages Supported
0Sign-ups Required

Features

Everything you need to stay focused

No bloat. Just the tools that actually help you practice better and remember more.

63 Curated Problems

Hand-picked problems across 10 core topics — Arrays, Trees, Graphs, DP, and more. Every problem you need for top-tier interviews.

Progress Dashboard

See your overall completion rate, progress by topic and difficulty, and recently updated problems — all at a glance.

Solution Code Editor

Paste your solution and preview it with Shiki syntax highlighting in 11 languages. Keep your approach notes alongside.

Streak & Heatmap

GitHub-style activity heatmap and streak counter. Stay consistent and watch your solving habit grow day by day.

Personal Difficulty Rating

Rate each problem by how hard you found it — not just LeetCode's label. Great for scheduling reviews.

100% Local, No Sign-up

All data lives in your browser's localStorage. No account, no server, no tracking. Your progress stays private.

How it works

Simple by design

01

Pick a Problem

Browse the curated list of 63 problems filtered by topic, difficulty, pattern, or frequency.

02

Track Your Attempt

Log your status, time taken, attempts, date solved, difficulty rating, and paste your solution code.

03

Review & Improve

Use the activity heatmap and topic breakdown to identify gaps and stay consistent with your practice.

Coverage

10 core interview topics

Covering the patterns that appear most often in FAANG-level interviews.

Arrays & HashingTwo PointersSliding WindowBinary SearchLinked ListTreesGraphsDynamic ProgrammingBacktrackingHeap / Priority Queue
Coming Soon

LeetCode Sync

Connect your public LeetCode profile and automatically sync accepted submissions. We'll match your solutions to the curated list and update your progress — no manual entry needed.

Ready to level up your interview prep?

No sign-up. No subscription. Just open it and start tracking.

Built by Shababul Alam · Open Source