Extension Tracker

Atcoder Companion

2,000 users Rated 5.00 from 10 ratings Last updated 7 Sep 2026

By conlacda Live in the Chrome Web Store bflhekmjlbpdlibcmojpikplaldgceec Last checked 26 Sep 2026, 22:21 UTC

The listing

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

Enhance your experience by providing some useful features designed to streamline your workflow and boost your productivity.Summary from the listing
Developer
conlacda
Trader status
Not declared a trader under EU law
Category
Productivity › Tools
First published
7 May 2024
Last updated
7 Sep 2026
Version
0.3.8
Size
134 KiB
Minimum Chrome
88
Languages
1 language

English

Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 26 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-262,0005.0010
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#14,553
by users, of 264,704 extensions
In its category
#3,608
of 103,503 in Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 26 Sep 2026.

What it can access

From the extension's manifest, in plain language

Sites where it runs scripts
  • *://atcoder.jp/*atcoder.jp
  • *://atcoder.jp/contests/*/custom_test?submissionId=*&testcase=*&problem=*atcoder.jp
  • *://atcoder.jp/contests/*/standings*atcoder.jp
  • *://atcoder.jp/contests/*/submissions/*atcoder.jp
  • *://atcoder.jp/contests/*/tasks*atcoder.jp
  • *://atcoder.jp/contests/*/tasks/*atcoder.jp
  • *://atcoder.jp/contests/*/tasks_printatcoder.jp
Browser features
  • storageSave settings and data in your browser
  • unlimitedStorageStore more data than the usual limit

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 26 Sep 2026, 22:21 UTC; next check around 3 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Atcoder Companion” (bflhekmjlbpdlibcmojpikplaldgceec). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/bflhekmjlbpdlibcmojpikplaldgceec. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_bflhekmjlbpdlibcmojpikplaldgceec,
  title   = {Atcoder Companion (bflhekmjlbpdlibcmojpikplaldgceec)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/bflhekmjlbpdlibcmojpikplaldgceec},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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