One extension.
Everything LeetCode is missing for effective practice.

Pattern roadmap, skill profile, solve-time tracking, and a tutor that steps in before you spiral. Works inside LeetCode.

6day streak
Longest: 6d·6 active days

Practice Lists

One unlocks the next. No more guessing what to learn tomorrow.

14 patterns mapped end-to-end, from Arrays & Hashing to Greedy. See exactly where you are, what comes next, and how far you are from interview-ready.

See where you're strong, where you're slow, and what to spend the next hour on.

Twelve weeks of practice rolled up into one read: cadence, solve-time deltas, and your strongest and weakest patterns.

12-week cadence

Practice · Last 12 Weeks

5 solves · 4 days

M
W
F

Avg solve time

Avg Solve Time · Last 30 Days

Easy
18:20
9 solves14%
Medium
11:53
1 solve~flat
Hard
no data yet

Per-pattern mastery

When you've been stuck for 7 minutes, the system speaks up, not you.

No spoilers, no cheerleading. AlgoFaster asks the question that unblocks you and lets you keep your reps.

Substrings of Size Three with Distinct Characters

Stop guessing which 200 problems matter.

Subscribe to Blind 75, NeetCode 150, Grind 75, or AlgoFaster 150. Plus the per-company banks your target companies actually ask.

Browse Lists

Popular Lists

Company Questions

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Effective practice, made visible.

Proactive nudges break time-spirals.
The tutor speaks up before a 7-minute stall becomes 45 minutes lost.
Solve-time drift, tracked across difficulty.
Spot the week you slow down on mediums, before it becomes a pattern.
Every pattern, a real progress bar.
Know the two or three topics to drill this week, not all fourteen at once.
Skill profile across the full surface.
Data structures, foundations, advanced. Interview-readiness at a glance.

Know your weakest pattern in 10 minutes. Your interview-ready date in a week.

Free Chrome extension. Works inside the LeetCode page you already use.