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Interactive Periodic Table

Chrome Web Store listing by www.ptheg.com

A Chrome extension with 3 000 users, a small but real audience.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
3 000 (the store no longer states an audience; this is the last figure it published)
Rating
4.3 (10 ratings)
Users, last 16 days
+1k
Rating, last 30 days
Not watched long enough to say
Version
0.0.0.1
Updated in the store
2015-03-30
Published
2014-03-28
Manifest
V2
Browser access
2 permissions

How it has moved

Users
+1k since 31.08
2k-3k · 4 readings
  1. 2026-08-312k
  2. 2026-09-043k
  3. 2026-09-083k
  4. 2026-09-153k
Rating
unchanged since 31.08
reviewsrating 4.30 · 4 readings
  1. 2026-08-31reviews10rating4.30
  2. 2026-09-04reviews10rating4.30
  3. 2026-09-08reviews10rating4.30
  4. 2026-09-15reviews10rating4.30
Users
+1k since 31.08
2k-3k · 4 readings
  1. 2026-08-312k
  2. 2026-09-043k
  3. 2026-09-083k
  4. 2026-09-153k
Rating
unchanged since 31.08
reviewsrating 4.30 · 4 readings
  1. 2026-08-31reviews10rating4.30
  2. 2026-09-04reviews10rating4.30
  3. 2026-09-08reviews10rating4.30
  4. 2026-09-15reviews10rating4.30

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

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Show you notifications notifications
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

www.ptheg.com publishes 5 listings we track, 17k users between them. Listed website: freeperiodictable.com.

  1. Camera Effects & Filters www.ptheg.com · Lifestyle · Art · published 2014-03-05 10k users ★ 2.3
  2. Cat licking screen clean www.ptheg.com · published 2014-04-25 3k users ★ 3.6
  3. Photo To Cartoon Editor www.ptheg.com · Lifestyle · Art · published 2014-05-15 711 users ★ 1.9
Show 1 more from this publisher
  1. Stock Market Overview www.ptheg.com · published 2014-01-07 482 users ★ 2.5

Like this one

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

  1. Periodic Table-Chemistry Tools Describes nearly the same job, smaller audience 8k users (last published figure) ★ 3.8
  2. Model PeriodicTable Describes nearly the same job, smaller audience 4k users ★ 4.6
  3. Periodex Describes nearly the same job, smaller audience 5k users ★ 4.5
  4. ChemTable — Periodic Table for Students Describes nearly the same job, smaller audience 33 users
  5. Periodic table Describes nearly the same job, smaller audience 36 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.