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Rule of Thirds

Chrome extension by Ivor Potter · Lifestyle · Art

A Chrome extension in Lifestyle · Art with 5 000 users, a small but real audience. Audience over the last 30 days: unchanged.

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
5 000
Rating
4.4 (20 ratings)
Users, last 30 days
Unchanged
Rating, last 30 days
Steady over 30 days
Version
1.8
Updated in the store
2026-09-21
Published
2013-05-17
Manifest
V3
Browser access
4 permissions

How it has moved

Users
unchanged since 08.09
5k · 1 reading
2026-09-21: released 1.8
  1. 2026-10-085k
Rating
unchanged since 08.09
reviewsrating 4.40 · 1 reading
2026-09-21: released 1.8
  1. 2026-10-08reviews20rating4.40
Users
unchanged since 01.09
5k · 2 readings
2026-09-21: released 1.8
  1. 2026-09-015k
  2. 2026-10-085k
Rating
unchanged since 01.09
reviewsrating 4.40 · 2 readings
2026-09-21: released 1.8
  1. 2026-09-01reviews20rating4.40
  2. 2026-10-08reviews20rating4.40

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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.8 · Asked for more permissions (4, was 3)

What changed recently

  1. Package size changed
  2. Asked for more permissions (4, was 3)
  3. Store description rewritten (87 → 104 characters)
Show the remaining 1
  1. Released version 1.8 (was 1.7)

The publisher

Ivor Potter.

Like this one

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

  1. Composition Grid: Rule of Thirds, Golden Ratio & More Describes nearly the same job, smaller audience 297 users ★ 5.0
  2. Compo Grid: Composition & Image Analysis Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. Rule of Thirds Grid Describes nearly the same job, smaller audience 15 users ★ 5.0
  4. Composition Grid Describes nearly the same job, smaller audience 228 users ★ 5.0
  5. Composition Grid Describes nearly the same job, smaller audience 1 user

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.

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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.