Custom Week Number - Google Calendar
Extension to set custom week number for Google calendar
As of June 2026, Custom Week Number - Google Calendar has 859 users and a 2.86/5 rating from 14 reviews in the Workflow & Planning category.
Usersdown 1.7 percent−1.7%
859
859
Ratingdown 4.7 percent−4.7%
2.86
14 reviews
Reviewsup 16.7 percent+16.7%
14
Version
4.2.1
Manifest V3
90-day change · In the last 90 days this extension 1 version update.
History
15 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 874 | 3.00 | 12 | 4.2 |
| Apr 10, 2026 | 873 | 3.00 | 12 | 4.2 |
| Apr 20, 2026 | 883 | 3.00 | 12 | 4.2 |
| Apr 25, 2026 | 943 | 3.00 | 12 | 4.2 |
| Apr 30, 2026 | 948 | 3.00 | 12 | 4.2 |
| May 5, 2026 | 957 | 3.00 | 12 | 4.2 |
| May 9, 2026 | 956 | 3.00 | 12 | 4.2 |
| May 13, 2026 | 985 | 3.00 | 13 | 4.2 |
| May 17, 2026 | 989 | 3.00 | 13 | 4.2 |
| May 21, 2026 | 984 | 3.00 | 13 | 4.2 |
| May 25, 2026 | 965 | 3.00 | 13 | 4.2 |
| May 30, 2026 | 889 | 3.00 | 13 | 4.2 |
| Jun 4, 2026 | 873 | 3.00 | 13 | 4.2 |
| Jun 8, 2026 | 865 | 2.86 | 14 | 4.2 |
| Jun 15, 2026 | 857 | 2.86 | 14 | 4.2.1 |
| Now | 859 | 2.86 | 14 | 4.2.1 |
Permissions & access
- Permissions
- tabsstorage
- Host access
- None declared
Screenshots
About
This is an extension to set custom week number for Google Calendar. How to use? 1. Install the extension 2. Turn on "Show week numbers" in Google Calendar settings > View options 3. Click the extension icon 4. Enter first date of first week in the pop-up and click set (if nothing happens, refresh page and try again) Features coming soon: 1. Add support for more views (currently only supports viewing by month and week) Report a bug / request for more features via email in the details section below. Alternatively, you can report bugs under the user support section below. Please leave a review if you are enjoying this extension, thanks! This extension might break, as it is not regularly maintained, please reach out via email, if you would like to help maintain this extension. Thanks for installing this extension.
Technical
- Version
- 4.2.1
- Manifest
- V3
- Size
- 128KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- Yes
Metadata
- ID
- fjaidefhllhbbhlfnnopcoljnhimiakp
- Developer ID
- u564ca6e393a2bda1c38c4440da6a5b2c
- Developer Email
- [email protected]
- Created
- Feb 14, 2023
- Last Updated (Store)
- Jun 7, 2026
- Last Scraped
- Jun 15, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
Similar extensions
Alternatives to Custom Week Number - Google Calendar, ranked by description similarity.
Asana Calendar Weeks Display
Adds calendar week numbers to Asana calendar views
40
★ 5.0
Week Number
Display current week number in favicon with monthly calendar popup
162
★ 5.0
Calendar Current Week
Visually marks current week at Google Calendar
15
★ 5.0
Week Increment Google Calendar Custom View
Adds shortcuts to increment the custom week view for Google Calendar one week at a time.
1.0K
★ 4.6
Week Number Finder
Find ISO week numbers for any date with an easy-to-use calendar interface
75
Week Number
This extension will show the current week number, day, and date.
350
★ 3.4
G-calize
On Google Calendar... Sunday, Saturday, Today, and other weekdays, You can select the text color and background color.
200.0K
★ 4.2
Toolset for Google Calendar™
This extension provides multiple small tools for the Google Calendar™.
2.0K
★ 4.0
Data sourced from the Chrome Web Store · last verified Jun 15, 2026.