LC Predictor icon

LC Predictor

by SysSn13 · lcpredictor.onrender.com · Developer Tools
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Browser extension for predicting leetcode contest rating. It shows approximate rating delta after contests on leetcode itself.

Users
5,000
0 in 30 days
Rating
3.3 / 5
unchanged in 30 days
Ratings
18
0 in 30 days
Store rank
#14K
#12K among extensions
Version
1.0.2
updated 19 Dec 2022

Users

monthly, 3 years
1,0003,0005,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 5,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
41118Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 18 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About LC Predictor

After participating in Leetcode contests, you wait too long for seeing your new rating. By using this extension you can get your rating changes right after the completion of contest on Leetcode itself. It adds rating changes on leetcode ranking pages for all the contestants.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year+1,000+25.0%00.00

Chrome Web Store search rankings

Where LC Predictor appears when people search the store, with the 30 day change
Search phrasePosition30 days
rating#68−47

Version history

3 versions recorded
1.0.218 Dec 2022
1.0.123 May 2022
1.0.010 Aug 2021

Details

Category
Developer Tools
First seen
10 Aug 2021
Size
172 KB
Languages
en
Pricing
Free
Support
github.com
Extension ID
jfhgaegpgiepniiebglgjhhfnjcibphh

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
tabsstoragescripting
Site access
https://leetcode.com/*https://lcpredictor.onrender.com/*

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