Competitive Companion

Name: Competitive Companion
Rating: 4.777777777777778 (90 reviews)
Author: Jasper van Merle

Parses competitive programming problems and sends them to various tools like CP Editor and CPH.

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Competitive Companion is a powerful Chrome extension designed for competitive programmers. It automatically parses problems and contests from over 109 popular online judges, including major platforms such as AtCoder and Codeforces. Once installed, users can simply navigate to a problem page and click the green plus icon or use a configurable shortcut to extract problem data.

Parsed problems are seamlessly sent to supported tools like CP Editor and CPH, streamlining contest preparation and problem solving. The extension also supports batch parsing for contests, enabling users to download all contest problems at once with a single click. Its user-friendly interface and broad compatibility make Competitive Companion an essential tool for coding enthusiasts looking to enhance their workflow.

Extension Developer Tools Programming Productivity

By:

Users:

Rating:

Version:

2.61.0 Last updated: 2025-06-03

Creation date:

2020-07-04

Risk:

Permissions:

activeTab
contextMenus
storage
scripting

Host permissions:

http://localhost/

Size:

587.78K

Email:

ja*****@gmail.com

URLs:

Full description:

Source:

Chrome Web Store

Updated:

a day ago

Ranking

# 2,675 ▲ 54

Other rankings

#2652 in Developer Tools ▲ 2

#32 in problem keyword 4

#146 in install keyword 93 ▼ 25

#158 in chrome extension keyword 91 ▼ 27

#261 in icon keyword 16 ▲ 4

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Other platforms

Competitive Companion (v2.61.0)

2,838 5.00

(29)

User reviews

Competitive Companion is a widely appreciated Chrome extension that greatly enhances the competitive programming experience by saving time and automating problem-solving tasks on platforms like Codeforces and AtCoder. It is praised for increasing contest speed and productivity, especially when integrated with VS Code. However, users report occasional functional issues such as parsing errors and incomplete support for direct submissions from VS Code. There are also requests for support beyond Chrome, including Safari and other editors like Orion. Overall, it's a valuable tool with room for enhancements.

Pros

Highly useful for competitive programming practice on sites like Codeforces and AtCoder
Saves time by automating tasks related to solving algorithm questions
Generally works well and increases speed during online contests
Increases productivity when used with VS Code
Well appreciated and supported by its user base

Cons

Occasional issues with functionality, sometimes not working perfectly or parsing test cases
Limited to Chrome, users request availability on other platforms like Safari and Orion
Submissions from VS Code to websites like Codeforces or CodeChef can get stuck or are not fully supported
Errors appear on some sites like CodeChef, needing fixes and improvements

Recent reviews

Companion for more than 2 year, thanks developers for amazing the tool.

Ma*****, 2025-02-07

Super useful...

Pu*****, 2025-01-26

Impressive!!

Su*****, 2025-01-12

View all user reviews ›

Extension safety

Risk impact

Competitive Companion requires very minimum permissions.

Risk impact analysis details

Low Request access to the following domains: {{requestedDomains}}

Risk likelihood

Competitive Companion is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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