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Periodic Table

Chrome extension by changzhiai · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 188 users, barely installed. Audience over the last 30 days: +65.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

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

Users
188
Rating
5.0 (4 ratings)
Users, last 30 days
+65
Rating, last 30 days
Steady over 30 days
Version
1.0.6
Updated in the store
2026-10-03
Published
2026-07-30
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+65 since 01.10
123-188 · 17 readings
2026-10-03: released 1.0.62026-10-06: gained the good publisher record badge
  1. 2026-10-05156
  2. 2026-10-08162
  3. 2026-10-09165
  4. 2026-10-11166
  5. 2026-10-13156
  6. 2026-10-16154
  7. 2026-10-17156
  8. 2026-10-18157
  9. 2026-10-19162
  10. 2026-10-21164
  11. 2026-10-22167
  12. 2026-10-23168
  13. 2026-10-24173
  14. 2026-10-25175
  15. 2026-10-27179
  16. 2026-10-29188
  17. 2026-10-30188
Rating
unchanged since 01.10
reviewsrating 5.00 · 17 readings
2026-10-03: released 1.0.62026-10-06: gained the good publisher record badge
  1. 2026-10-05reviews4rating5.00
  2. 2026-10-08reviews4rating5.00
  3. 2026-10-09reviews4rating5.00
  4. 2026-10-11reviews4rating5.00
  5. 2026-10-13reviews4rating5.00
  6. 2026-10-16reviews4rating5.00
  7. 2026-10-17reviews4rating5.00
  8. 2026-10-18reviews4rating5.00
  9. 2026-10-19reviews4rating5.00
  10. 2026-10-21reviews4rating5.00
  11. 2026-10-22reviews4rating5.00
  12. 2026-10-23reviews4rating5.00
  13. 2026-10-24reviews4rating5.00
  14. 2026-10-25reviews4rating5.00
  15. 2026-10-27reviews4rating5.00
  16. 2026-10-29reviews4rating5.00
  17. 2026-10-30reviews4rating5.00
Users
+155 since 01.09
33-188 · 31 readings
2026-09-20: released 1.0.52026-10-03: released 1.0.62026-10-06: gained the good publisher record badge
  1. 2026-09-0133
  2. 2026-09-0338
  3. 2026-09-0447
  4. 2026-09-0647
  5. 2026-09-0853
  6. 2026-09-0957
  7. 2026-09-1370
  8. 2026-09-1581
  9. 2026-09-1692
  10. 2026-09-20112released 1.0.5
  11. 2026-09-22109
  12. 2026-09-25117
  13. 2026-09-27120
  14. 2026-09-28123
  15. 2026-10-05156
  16. 2026-10-08162
  17. 2026-10-09165
  18. 2026-10-11166
  19. 2026-10-13156
  20. 2026-10-16154
  21. 2026-10-17156
  22. 2026-10-18157
  23. 2026-10-19162
  24. 2026-10-21164
  25. 2026-10-22167
  26. 2026-10-23168
  27. 2026-10-24173
  28. 2026-10-25175
  29. 2026-10-27179
  30. 2026-10-29188
  31. 2026-10-30188
Rating
unchanged since 01.09
reviewsrating 5.00 · 31 readings
2026-09-20: released 1.0.52026-10-03: released 1.0.62026-10-06: gained the good publisher record badge
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  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. 2026-09-16reviews3rating5.00
  10. 2026-09-20reviews3rating5.00released 1.0.5
  11. 2026-09-22reviews3rating5.00
  12. 2026-09-25reviews3rating5.00
  13. 2026-09-27reviews3rating5.00
  14. 2026-09-28reviews3rating5.00
  15. 2026-10-05reviews4rating5.00
  16. 2026-10-08reviews4rating5.00
  17. 2026-10-09reviews4rating5.00
  18. 2026-10-11reviews4rating5.00
  19. 2026-10-13reviews4rating5.00
  20. 2026-10-16reviews4rating5.00
  21. 2026-10-17reviews4rating5.00
  22. 2026-10-18reviews4rating5.00
  23. 2026-10-19reviews4rating5.00
  24. 2026-10-21reviews4rating5.00
  25. 2026-10-22reviews4rating5.00
  26. 2026-10-23reviews4rating5.00
  27. 2026-10-24reviews4rating5.00
  28. 2026-10-25reviews4rating5.00
  29. 2026-10-27reviews4rating5.00
  30. 2026-10-29reviews4rating5.00
  31. 2026-10-30reviews4rating5.00

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

Specific sites only: 1 match pattern.

  • https://theperiodictable.org/*

The full permission history for this extension

Version history

  1. Version 1.0.6 · Swapped which permissions it asks for
  2. Version 1.0.5

What changed recently

  1. Gained the Established publisher badge
  2. Package size changed
  3. Swapped which permissions it asks for
Show the remaining 6
  1. Store description rewritten
  2. Store badges changed
  3. Released version 1.0.6 (was 1.0.5)
  4. Package size changed
  5. Supported languages changed (1 → 30)
  6. Released version 1.0.5 (was 1.0.4)

The publisher

changzhiai publishes 6 listings we track, 358 users between them. Listed website: theperiodictable.org.

  1. Authenticator — All in One changzhiai · Productivity · Tools · published 2026-08-13 73 users ★ 5.0
  2. DOI to BibTeX changzhiai · Productivity · Tools · published 2026-08-14 31 users ★ 5.0
  3. MapParser changzhiai · Lifestyle · Travel · published 2026-08-02 31 users ★ 5.0
Show 2 more from this publisher
  1. MapCombiner changzhiai · Lifestyle · Travel · published 2026-08-01 20 users ★ 5.0
  2. Travel Tracker changzhiai · Lifestyle · Travel · published 2026-08-01 15 users ★ 5.0

Like this one

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

  1. ChemDex - Periodic Table Describes nearly the same job, smaller audience 12 users
  2. Bảng Tuần Hoàn Mini Describes nearly the same job, smaller audience 3 users (last published figure)
  3. ChemTable — Periodic Table for Students Describes nearly the same job, smaller audience 32 users
  4. Mini Chemical Elements Describes nearly the same job, smaller audience 2 users (last published figure)
  5. Romantic Periodic Table Describes nearly the same job, smaller audience 15 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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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built