AtCoder Calendar icon

AtCoder Calendar

by 個人 · Workflow & Planning
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Make it easy to add AtCoder contests to your Google Calendar.

Users
338
+16 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#51K
#43K among extensions
Version
1.1.4
updated 18 Jun 2023

Users

monthly, 3 years
60230400Aug 2023Jan 2025Oct 2026
Latest, 16 Oct 2026: 338 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
124Aug 2023Jan 2025Oct 2026
Latest, 16 Oct 2026: 4 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 AtCoder Calendar

Generate a schedule link for Google Calendar on the AtCoder contest site. It becomes easy to add to your calendar for each contest. * This is an unofficial extension, so use at your own risk. If you have any bugs or requests for additional features, please send them to https://github.com/penicillin0/AtCoder-Google-Calender/issues

Growth

WindowUsersChangeRatingsRating
7 days+12+3.7%00.00
30 days+16+5.0%00.00
6 months+25+8.0%00.00
1 year+14+4.3%00.00

Version history

7 versions recorded
1.1.417 Jun 2023
1.1.319 Oct 2022
1.1.29 Apr 2022
1.1.114 Dec 2021
1.1.018 Nov 2021
1.0.123 Jan 2021
1.0.03 Oct 2019

Details

Category
Workflow & Planning
First seen
3 Oct 2019
Size
18 KB
Languages
en, ja
Pricing
Free
Extension ID
dokfhaljgioiaeappgnmibgoipegbldf

Permissions and risk

Minimal riskimpact 1, likelihood 0

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