Floating percentage calculator 作者: webcalculator

Floating Percentage Calculator is a lightweight browser extension that lets you perform quick percentage calculations without leaving the page you're on.

Just click the extension icon, and a compact, draggable calculator appears in the corner of your screen. Enter a base number and a percentage, and it instantly shows the result — perfect for students, shoppers, or anyone needing fast math on the fly.

✅ Features:

-Instantly pops up a calculator on any website

-Enter any number and percentage to compute the result

-Clean, responsive UI that doesn't interrupt your browsing

-Easy to close and reopen as needed

-No tabs, no switching apps — just fast, in-page calculations.