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Tc calculator (extension)

Chrome extension by Dusan Halicky · Productivity · Workflow

  • Established publisher

A Chrome extension in Productivity · Workflow with 8 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
8
Rating
5.0 (1 ratings)
Users, last 5 days
+2
Rating, last 30 days
Not watched long enough to say
Version
1.0.13
Updated in the store
2026-09-10
Published
2018-11-14
Manifest
V3
Browser access
1 permission

How it has moved

Users
+2 since 11.09
6-8 · 3 readings
2026-09-11: appeared in the store
  1. 2026-09-116appeared in the store
  2. 2026-09-137
  3. 2026-09-158
Rating
unchanged since 11.09
reviewsrating 5.00 · 3 readings
2026-09-11: appeared in the store
  1. 2026-09-11reviews1rating5.00appeared in the store
  2. 2026-09-13reviews1rating5.00
  3. 2026-09-15reviews1rating5.00
Users
+2 since 11.09
6-8 · 3 readings
2026-09-11: appeared in the store
  1. 2026-09-116appeared in the store
  2. 2026-09-137
  3. 2026-09-158
Rating
unchanged since 11.09
reviewsrating 5.00 · 3 readings
2026-09-11: appeared in the store
  1. 2026-09-11reviews1rating5.00appeared in the store
  2. 2026-09-13reviews1rating5.00
  3. 2026-09-15reviews1rating5.00

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

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

  • Add items to the right-click menu contextMenus

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

Dusan Halicky publishes 8 listings we track, 1k users between them.

  1. Alien invasion! Dusan Halicky · published 2015-07-01 523 users ★ 3.8
  2. RSS Reader Dusan Halicky · Lifestyle · News · published 2015-04-14 261 users ★ 2.8
  3. Ghost chat bot Dusan Halicky · published 2015-09-07 258 users ★ 3.8
Show 4 more from this publisher
  1. Domain whitelist Dusan Halicky · Make Chrome Yours · Privacy · published 2015-10-21 160 users ★ 5.0
  2. Callisto space simulator Dusan Halicky · published 2015-10-29 56 users ★ 2.2
  3. Tc calculator Dusan Halicky · published 2015-03-30 32 users ★ 4.8
  4. WordPlay Dusan Halicky · published 2015-07-17 14 users ★ 2.5

Like this one

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

  1. Convenient smart calculator Describes nearly the same job, smaller audience 8 users ★ 5.0
  2. Calculator for Chrome Describes nearly the same job, smaller audience 245 users ★ 5.0
  3. Calc — Simple Calculator App Describes nearly the same job, smaller audience 394 users ★ 5.0
  4. PocketCalc — Mini Calculator Describes nearly the same job, smaller audience 28 users
  5. 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.

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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.