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BC/AD or BCE/CE Era Notation Selector

Chrome extension by Karen Grigorian (he/him) · Make Chrome Yours · Accessibility

A Chrome extension in Make Chrome Yours · Accessibility with 78 users, barely installed. Audience over the last 30 days: +10.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
78
Rating
5.0 (4 ratings)
Users, last 30 days
+10
Rating, last 30 days
Steady over 30 days
Version
1.0.3
Updated in the store
2025-11-28
Published
2023-08-30
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+10 since 03.10
65-78 · 14 readings
  1. 2026-10-0566
  2. 2026-10-0865
  3. 2026-10-0969
  4. 2026-10-1067
  5. 2026-10-1369
  6. 2026-10-1768
  7. 2026-10-1967
  8. 2026-10-2071
  9. 2026-10-2473
  10. 2026-10-2573
  11. 2026-10-2875
  12. 2026-10-3077
  13. 2026-11-0178
  14. 2026-11-0278
Rating
unchanged since 03.10
reviewsrating 5.00 · 14 readings
  1. 2026-10-05reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-13reviews3rating5.00
  6. 2026-10-17reviews3rating5.00
  7. 2026-10-19reviews3rating5.00
  8. 2026-10-20reviews3rating5.00
  9. 2026-10-24reviews3rating5.00
  10. 2026-10-25reviews3rating5.00
  11. 2026-10-28reviews3rating5.00
  12. 2026-10-30reviews3rating5.00
  13. 2026-11-01reviews4rating5.00
  14. 2026-11-02reviews4rating5.00
Users
+6 since 01.09
65-78 · 26 readings
  1. 2026-09-0172
  2. 2026-09-0273
  3. 2026-09-0572
  4. 2026-09-0669
  5. 2026-09-0870
  6. 2026-09-0969
  7. 2026-09-1374
  8. 2026-09-1576
  9. 2026-09-1774
  10. 2026-09-2072
  11. 2026-09-2569
  12. 2026-09-2868
  13. 2026-10-0566
  14. 2026-10-0865
  15. 2026-10-0969
  16. 2026-10-1067
  17. 2026-10-1369
  18. 2026-10-1768
  19. 2026-10-1967
  20. 2026-10-2071
  21. 2026-10-2473
  22. 2026-10-2573
  23. 2026-10-2875
  24. 2026-10-3077
  25. 2026-11-0178
  26. 2026-11-0278
Rating
unchanged since 01.09
reviewsrating 5.00 · 26 readings
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-02reviews3rating5.00
  3. 2026-09-05reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-08reviews3rating5.00
  6. 2026-09-09reviews3rating5.00
  7. 2026-09-13reviews3rating5.00
  8. 2026-09-15reviews3rating5.00
  9. 2026-09-17reviews3rating5.00
  10. 2026-09-20reviews3rating5.00
  11. 2026-09-25reviews3rating5.00
  12. 2026-09-28reviews3rating5.00
  13. 2026-10-05reviews3rating5.00
  14. 2026-10-08reviews3rating5.00
  15. 2026-10-09reviews3rating5.00
  16. 2026-10-10reviews3rating5.00
  17. 2026-10-13reviews3rating5.00
  18. 2026-10-17reviews3rating5.00
  19. 2026-10-19reviews3rating5.00
  20. 2026-10-20reviews3rating5.00
  21. 2026-10-24reviews3rating5.00
  22. 2026-10-25reviews3rating5.00
  23. 2026-10-28reviews3rating5.00
  24. 2026-10-30reviews3rating5.00
  25. 2026-11-01reviews4rating5.00
  26. 2026-11-02reviews4rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Karen Grigorian (he/him) publishes 4 listings we track, 230 users between them.

  1. Ancient Date Converter Karen Grigorian (he/him) · Make Chrome Yours · Accessibility · published 2021-04-22 130 users ★ 5.0
  2. RW Reader Karen Grigorian (he/him) · Productivity · Education · published 2025-11-23 14 users
  3. LZ Desktop Helper Karen Grigorian (he/him) · Productivity · Tools · published 2025-08-30 8 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. BCE/CE Replacer Describes nearly the same job, smaller audience 13 users ★ 5.0
  2. Ancient Date Converter Describes nearly the same job, smaller audience 130 users ★ 5.0
  3. Japanese Era to Gregorian (Auto) Describes nearly the same job, smaller audience 8 users
  4. 和暦変換 Describes nearly the same job, smaller audience 73 users
  5. 和暦→西暦変換器 Describes nearly the same job, smaller audience 9 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/fedcnfmkgihadcdfnjfhcgmlmcgnlipn/badge.svg)](https://extops.dev/extensions/fedcnfmkgihadcdfnjfhcgmlmcgnlipn)

HTML

<a href="https://extops.dev/extensions/fedcnfmkgihadcdfnjfhcgmlmcgnlipn"><img src="https://extops.dev/extensions/fedcnfmkgihadcdfnjfhcgmlmcgnlipn/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built