CPF Contribution Calculator

Chrome extension · Productivity · Tools

Featured

A Chrome extension in Productivity · Tools with 10 users, barely installed. Audience over the last 30 days: +1.

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

What the developer says, and 2 screenshots

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

Users: 10 (the store no longer states an audience; this is the last figure it published)
Rating: not rated yet
Users, last 30 days: +1
Version: 1.2.1
Updated in the store: 2026-10-14
Published: 2025-01-03
Manifest: V3
Browser access: 2 permissions

How it has moved

Last 30 daysLast 90 days

Users

+1 since 02.10

9-11 · 10 readings

2026-10-0910
2026-10-109
2026-10-189
2026-10-2111
2026-10-2210
2026-10-2311
2026-10-2410
2026-10-259
2026-10-2910
2026-11-0110

Users

+1 since 01.09

8-11 · 24 readings

2026-09-019
2026-09-0310
2026-09-059
2026-09-0610
2026-09-079
2026-09-0810
2026-09-109
2026-09-1510
2026-09-179
2026-09-2010
2026-09-219
2026-09-258
2026-09-2610
2026-09-289
2026-10-0910
2026-10-109
2026-10-189
2026-10-2111
2026-10-2210
2026-10-2311
2026-10-2410
2026-10-259
2026-10-2910
2026-11-0110

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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
Store data in your browser storage

The full permission history for this extension

Version history

2026-10-14Version 1.2.1
2026-10-12Version 1.2.0 · Asked for more permissions (2, was 1) (changed: browser permissions)

What changed recently

2026-10-14Package size changed
2026-10-14Released version 1.2.1 (was 1.2.0)
2026-10-12Package size changed

Show the remaining 3

2026-10-12Asked for more permissions (2, was 1) (changed: browser permissions)
2026-10-12Store description rewritten
2026-10-12Released version 1.2.0 (was 1.1.1)

Like this one

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

iWoWHRMS Income Tax Calculator Describes nearly the same job, smaller audience 19 users
NetPay Describes nearly the same job, smaller audience 2 users
myTakeHome - UK Salary Calculator for Job Listings Describes nearly the same job, smaller audience 10 users ★ 5.0
PhilHealth Toolkit 2013 Contribution Calculator & Forms Helper Describes nearly the same job, smaller audience 5 users (last published figure)
Previdenciarista Describes nearly the same job, smaller audience 9k 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does

Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/nhhofgmmohbecfpbmodnpfoocbmcehpa/badge.svg)](https://extops.dev/extensions/nhhofgmmohbecfpbmodnpfoocbmcehpa)

HTML

<a href="https://extops.dev/extensions/nhhofgmmohbecfpbmodnpfoocbmcehpa"><img src="https://extops.dev/extensions/nhhofgmmohbecfpbmodnpfoocbmcehpa/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on 2026-11-01. The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.