Percentage Calculator

by https://91toolbox.cn · 91toolbox.cn · Workflow & Planning

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

An elegant calculator for various percentage calculations with real-time updates and beautiful UI.

Users

+1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#163K

#136K among extensions

Version

1.0.1

updated 25 Jul 2025

Users

monthly, 16 months

Latest, 18 Oct 2026: 17 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months

Latest, 18 Oct 2026: 1 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 Percentage Calculator

Percentage Calculator Pro is an essential tool for students, professionals, shoppers, and anyone who works with numbers. This elegant Chrome extension provides instant calculations for common percentage problems right in your browser toolbar. Key Features: Four specialized calculators in one compact tool: - Value Percentage: Calculate X% of any value - Percentage Proportion: Determine what percentage X is of Y - Percentage Change: Calculate % increase/decrease between two values - Value Operations: Add, subtract, multiply or divide percentages Premium Experience: Real-time calculations as you type - Clean, modern interface with professional styling - Instant results with no page reload needed - Complete offline functionality - Privacy-focused design (no data collection) Perfect for financial calculations, academic work, shopping discounts, statistical analysis, and everyday math problems. Save time on percentage calculations without leaving your current tab!