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Office Calculator

Chrome extension by SemiOffice · Productivity · Tools

A Chrome extension in Productivity · Tools with 31 users, barely installed.

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

What the developer says, and 5 screenshots

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

Users
31
Rating
not rated yet
Users, last 16 days
-1
Version
6.1.0
Updated in the store
2026-09-08
Published
2023-02-27
Manifest
V3
Browser access
1 permission

How it has moved

Users
-1 since 01.09
30-36 · 11 readings
2026-09-09: released 6.1.0
  1. 2026-09-0132
  2. 2026-09-0234
  3. 2026-09-0336
  4. 2026-09-0434
  5. 2026-09-0535
  6. 2026-09-0631
  7. 2026-09-0733
  8. 2026-09-1032
  9. 2026-09-1333
  10. 2026-09-1530
  11. 2026-09-1631
Users
-1 since 01.09
30-36 · 11 readings
2026-09-09: released 6.1.0
  1. 2026-09-0132
  2. 2026-09-0234
  3. 2026-09-0336
  4. 2026-09-0434
  5. 2026-09-0535
  6. 2026-09-0631
  7. 2026-09-0733
  8. 2026-09-1032
  9. 2026-09-1333
  10. 2026-09-1530
  11. 2026-09-1631

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.

  • Open a panel beside the page sidePanel

The full permission history for this extension

Version history

  1. Version 6.1.0 · Asked for more permissions (1, was 0)

What changed recently

  1. Now requires Chrome 116
  2. Package size changed
  3. Asked for more permissions (1, was 0)
Show the remaining 2
  1. Store description rewritten (112 → 122 characters)
  2. Released version 6.1.0 (was 6.0.1)

The publisher

SemiOffice publishes 6 listings we track, 421 users between them.

  1. SemiOffice Tasks SemiOffice · Productivity · Workflow · published 2013-04-17 341 users ★ 4.3
  2. Free Typing Tutor for Beginners SemiOffice · Productivity · Education · published 2026-08-03 30 users
  3. ConvertBuddy – Handwriting Animation Video Maker SemiOffice · Lifestyle · Art · published 2026-08-16 8 users
Show 2 more from this publisher
  1. ScreenVexa – Screen Recorder & Screenshot SemiOffice · Productivity · Tools · published 2026-08-02 7 users
  2. SemiOffice Notes SemiOffice · Productivity · Workflow · published 2026-08-12 4 users

Like this one

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

  1. Simple Calculator Describes nearly the same job, smaller audience 3 users
  2. Simple calculator Describes nearly the same job, smaller audience 5 users
  3. Mini Calculator (Simple) Describes nearly the same job, smaller audience 16 users
  4. Calculator – Smart, Fast & Scientific Describes nearly the same job, smaller audience 4 users
  5. QuickCalc - Modern Calculator Describes nearly the same job, smaller audience 4 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?

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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.