Sum Them Up!

by Apollo Software LLC · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

A simple extension that allows to sum numbers of the same kind on a webpage.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#164K

#137K among extensions

Version

1.0.0

updated 4 May 2025

Users

monthly, 18 months

Latest, 21 Oct 2026: 17 usersMove the mouse over the chart for any month

Ratings count

monthly, 18 months

Latest, 21 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Sum Them Up!

This browser extension allows users to easily sum up numbers on a web page. With this extension, you can quickly calculate the sum of numbers without the need for manual calculations. Simply install the extension, right-click one of the numbers you want to sum on a web page, and select Sum Them Up! The extension will provide you with the total sum in an instant. It's a convenient tool for anyone who frequently works with numbers on the web, or just needs to file their yearly taxes. Give it a try and simplify your number-summing tasks today!