CP Calendar

An extension that keeps users updated about Coding or Competitive Programming contests.

As of May 2026, CP Calendar has 3,000 users and a 4.22/5 rating from 45 reviews in the Developer Tools category.

Arjun J Developer Tools★ Featured

Chrome Web Store ↗.crx

Users0%

3.0K

3,000

Rating0%

4.22

45 reviews

Reviews0%

45

Version

0.0.9

Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	3.0K	4.22	45	0.0.9
May 1, 2026	4.0K	4.22	45	0.0.9
May 29, 2026	4.0K	4.22	45	0.0.9
Now	3.0K	4.22	45	0.0.9

Permissions & access

Permissions: None declared
Host access: None declared

Screenshots

CP Calendar screenshot 1

CP Calendar screenshot 2

About

Never miss a coding contest again! CP Calendar helps you get the schedule of all Competitive Programming contests, hosted by various well-known platforms, listed in a single place.

Shows a list of live and upcoming coding contests hosted by various popular competitive programming websites.

Platforms supported: 
- Atcoder
- CodeChef
- Codeforces
- GeeksForGeeks
- Naukri.com
- Leetcode
- TopCoder

Found any bugs or have any suggestions to make CP Calendar better, if not the best? 

Log them here : https://github.com/karanarjunjr/cp-calendar/issues

Cheers!

Technical

Version: 0.0.9
Manifest: V3
Size: 572KiB
Min Chrome: 88
Languages: 1
Featured: Yes

Metadata

ID: nahdeimiheknmpknkenfkmhonnlboeim
Developer ID: u8c5b7a8b3f44a224ea7dc87f452b42cc
Developer Email: [email protected]
Created: Oct 30, 2021
Last Updated (Store): Feb 28, 2025
Last Scraped: May 29, 2026
Website: —
Support URL: —
Privacy Policy: —

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Data sourced from the Chrome Web Store · last verified May 29, 2026.