Percentage Calculator

Name: Percentage Calculator
Rating: 5 (1 reviews)
Author: 91toolbox.cn

91toolbox.cn · Workflow & Planning

Open in Chrome Web Store Website

Users

Avg rating

5.0

Ratings

Updated

Jul 25, 2025

Media

2 items

Description

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

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
21
Description length
Characters in the listing description.
1133
Media assets
Screenshots and videos on the listing.
2
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
Yes
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
40.4

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.

Description

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
21
Description length
Characters in the listing description.
1133
Media assets
Screenshots and videos on the listing.
2
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
Yes
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
40.4

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.