Chrome extension
LeetCode Solution Helper
One click from a LeetCode problem to a verified solution
On any LeetCode problem, open the matching Scale Engineer walkthrough explanations, code, and complexity without searching the web.
Free · Works on leetcode.com · No account required
How it looks
LeetCode problem
56. Merge Intervals
MediumGiven an array of intervals, merge all overlapping intervals.
1 def merge(intervals):
2 intervals.sort()
3 # your approach…
Movable control
Scale Engineer solution
Merge Intervals — solution
- Step-by-step logic
- Python, Java, C++
- Time O(n log n) · Space O(n)
- Alternate approaches
The Solution control sits on the LeetCode page. Drag it clear of the IDE, then click it to open the matching Scale Engineer solution.
How it works
Three steps from problem to explanation
01
Install the extension
Add LeetCode Solution Helper from the Chrome Web Store. It stays quiet until you open a problem.
02
Open a LeetCode problem
Work in the editor as usual. A movable Solution control appears when a matching explanation exists.
03
Open the Scale Engineer solution
Click Solution to open the verified Scale Engineer walkthrough — explanations, code, and complexity analysis.
What you get
Built for interview prep flow
Instant lookup
No copying the title into Google. The extension matches the LeetCode problem and opens the right Scale Engineer page.
Verified walkthroughs
Step-by-step logic, Python / Java / C++ code, time and space complexity, and alternate approaches.
Movable control
Drag the Solution button on the LeetCode page so it never covers the editor until you need it.
Built for interview prep
Skip the search rabbit hole. Go straight from a LeetCode problem to a clear, structured solution.
Privacy
Lightweight and scoped
The extension only activates on leetcode.com. It does not store personal data, does not track browsing, and does not sell your information. Its job is one click from a problem to a verified solution.
Get started
Stop searching. Open the solution.
Install the extension, open a LeetCode problem, and click Solution to jump to the Scale Engineer walkthrough.