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Payroll Tax Calculator

Chrome extension by Robert Timsah · Productivity · Tools

A Chrome extension in Productivity · Tools with 15 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 1 screenshot

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

Users
15 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 6 days
+15
Version
1.0.0
Updated in the store
2026-09-09
Published
2026-09-09
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
+15 since 10.09
0-15 · 3 readings
2026-09-10: appeared in the store
  1. 2026-09-100appeared in the store
  2. 2026-09-1315
  3. 2026-09-1515
Users
+15 since 10.09
0-15 · 3 readings
2026-09-10: appeared in the store
  1. 2026-09-100appeared in the store
  2. 2026-09-1315
  3. 2026-09-1515

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.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

Robert Timsah publishes 3 listings we track, 54 users between them. Listed website: aptosity.com.

  1. Medicare Fee Schedule Calculator Robert Timsah · Productivity · Tools · published 2026-09-06 22 users (last published figure)
  2. Time Card Calculator Robert Timsah · Productivity · Tools · published 2026-09-07 17 users (last published figure)

Like this one

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

  1. Freelancer Tax Estimator 2026 Describes nearly the same job, smaller audience 3 users
  2. Paystub Studio - Paycheck Calculator Describes nearly the same job, smaller audience 8 users (last published figure) ★ 5.0
  3. Sales Tax Calculator Describes nearly the same job, smaller audience 9 users ★ 5.0
  4. Canadian Tax Bracket Calculator Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Paycheck Calculator Describes nearly the same job, smaller audience 44 users ★ 5.0

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.