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Chromeculator

Chrome extension by Synthread · Productivity · Tools

A Chrome extension in Productivity · Tools with 42 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 4 screenshots

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

Users
42
Rating
5.0 (1 ratings)
Users, last 12 days
-1
Rating, last 30 days
Not watched long enough to say
Version
4.0.0
Updated in the store
2026-08-28
Published
2025-07-29
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
-1 since 01.09
42-46 · 9 readings
  1. 2026-09-0143
  2. 2026-09-0245
  3. 2026-09-0444
  4. 2026-09-0546
  5. 2026-09-0643
  6. 2026-09-0742
  7. 2026-09-0844
  8. 2026-09-0942
  9. 2026-09-1242
Rating
unchanged since 01.09
reviewsrating 5.00 · 9 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-07reviews1rating5.00
  7. 2026-09-08reviews1rating5.00
  8. 2026-09-09reviews1rating5.00
  9. 2026-09-12reviews1rating5.00
Users
-1 since 01.09
42-46 · 9 readings
  1. 2026-09-0143
  2. 2026-09-0245
  3. 2026-09-0444
  4. 2026-09-0546
  5. 2026-09-0643
  6. 2026-09-0742
  7. 2026-09-0844
  8. 2026-09-0942
  9. 2026-09-1242
Rating
unchanged since 01.09
reviewsrating 5.00 · 9 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-07reviews1rating5.00
  7. 2026-09-08reviews1rating5.00
  8. 2026-09-09reviews1rating5.00
  9. 2026-09-12reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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

Specific sites only: 1 match pattern.

  • https://open.er-api.com/*
  • Add items to the right-click menu contextMenus
  • 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

Synthread publishes 4 listings we track, 174 users between them.

  1. TTV1080 Synthread · Productivity · Tools · published 2025-08-30 126 users ★ 5.0
  2. MobileScreen Synthread · Productivity · Tools · published 2025-12-26 6 users
  3. Dead by Daylight - Deep Fog Synthread · Games · published 2026-02-12 0 users

Like this one

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

  1. Universal Calculator - Scientific & Unit Converter Describes nearly the same job, smaller audience 5 users
  2. Type To Calculate Describes nearly the same job, smaller audience 59 users ★ 3.3
  3. InstaCalc Describes nearly the same job, smaller audience 507 users ★ 5.0
  4. The Super Calculator Describes nearly the same job 0 users
  5. CalcPro: All-in-One Calculator & Converter 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.

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.