Extension Tracker

Contest Reminder – Coding Competition Alerts

427 users Rated 4.56 from 9 ratings Last updated 8 Aug 2026

By EveryThingMattersHQ.tools Live in the Chrome Web Store lfhnhjfnjcimcblaedhlkgooejanjdle Last checked 27 Sep 2026, 04:52 UTC

The listing

What the Chrome Web Store shows, as of the last check

Track LeetCode, Codeforces & more. Sync to Calendar, Daily Challenge reminders & streaks. The ultimate coding companion.Summary from the listing
Developer
EveryThingMattersHQ.tools
Trader status
Not declared a trader under EU law
Category
Productivity › Developer Tools
First published
28 Nov 2025
Last updated
8 Aug 2026
Version
2.8.2
Size
790 KiB
Minimum Chrome
88
Languages
1 language

English

Website
contestclocker.com
Support page
https://www.contestclocker.com/
Open in the Chrome Web Store ↗ Download the CRX from Google ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-274274.569
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#36,360
by users, of 264,254 extensions
In its category
#3,162
of 27,566 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Sites
  • https://accounts.google.com/*accounts.google.com
  • https://api.topcoder.com/*api.topcoder.com
  • https://atcoder.jp/*atcoder.jp
  • https://leetcode.com/*leetcode.com
  • https://practiceapi.geeksforgeeks.org/*practiceapi.geeksforgeeks.org
  • https://www.codechef.com/*www.codechef.com
  • https://www.googleapis.com/*www.googleapis.com
  • https://www.hackerrank.com/*www.hackerrank.com
  • https://www.reddit.com/*www.reddit.com
Browser features
  • alarmsRun tasks on a schedule
  • identitySign you in with your Google account
  • notificationsShow notifications
  • storageSave settings and data in your browser
Asked for later, if you agree
  • tabsRead the addresses and titles of your tabs
  • webNavigationFollow your browsing, page by page

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
CommonCart: Cross-Store Wishlist & Price Tracker123 4.336 Shopping
LootAlert - Free Game Radar59 4.147 Shopping
Endurance Log — Deep Work Cockpit (New Tab)31 5.001 Workflow & Planning
DailyDrop: Your Daily Algorithm Reset16 5.001 Well-being
LinkLoom: Amazon Affiliate Link Clipper15 5.001 Workflow & Planning
SpaceSnap - Tab Workspace Saver7 5.001 Workflow & Planning
All 7 extensions by EveryThingMattersHQ.tools →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 04:52 UTC; next check around 22 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Contest Reminder – Coding Competition Alerts” (lfhnhjfnjcimcblaedhlkgooejanjdle). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/lfhnhjfnjcimcblaedhlkgooejanjdle. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_lfhnhjfnjcimcblaedhlkgooejanjdle,
  title   = {Contest Reminder – Coding Competition Alerts (lfhnhjfnjcimcblaedhlkgooejanjdle)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/lfhnhjfnjcimcblaedhlkgooejanjdle},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

Browse

Top lists

Productivity

Lifestyle

Make Chrome Yours