Percentage Calculator
Extension Actions
CRX ID
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Description from extension meta
Quick and easy percentage calculations right from your browser
Image from store
Description from store
CalculateQuick Percentage Calculator brings the most‑used percentage tools into a single, lightweight Chrome extension.
• Five calculators
– Percentage of a number
– What percentage one number is of another
– Percentage change between two values
– Increase / decrease a value by a percentage
– Find the original number from a known percentage
• Real‑time results as you type
• One‑click copy to clipboard
• Keyboard‑friendly input flow
• Clear, accessible interface optimised for a 400 px popup
• No data collection, no external requests, no ads
Ideal for finance, sales, grading, discounts, and everyday maths.