Introducing the Check Readability Chrome Extension: Analyze Any Webpage in Seconds

Readability Analysis Directly in Your Browser

We are thrilled to announce the upcoming release of the Check Readability Chrome Extension! Designed for copywriters, SEO specialists, editors, researchers, and educators, our new Manifest V3 extension brings instant readability scoring to any website or selected text directly inside Chrome's native Side Panel.

Why Use the Chrome Extension?

Switching back and forth between your CMS, documents, and web apps slows down your writing workflow. With the Check Readability Chrome extension, you get real-time readability feedback side-by-side with your content.

Key Features

• Native Chrome Side Panel UI: Opens seamlessly alongside any active tab without blocking your view or cluttering your page.
• 9 Industry-Standard Readability Formulas:
  • Flesch Reading Ease & Flesch-Kincaid Grade Level
  • Automated Readability Index (ARI)
  • Gunning Fog Index
  • Coleman-Liau Index
  • SMOG Index & Linsear Write
  • FORCAST & New Dale-Chall Readability
• Instant Page & Selection Extraction: Select any block of text on a webpage or extract full page body text with a single click.
• Interactive Math Breakdowns: Hover over any formula card to inspect live equation breakdowns, syllable counts, and character statistics.
• 100% Private & Local: All text parsing and mathematical scoring happen locally in your browser. Zero tracking, zero data sent to external servers.

Availability & Installation

The extension has been submitted to the Chrome Web Store and is currently undergoing standard Google Developer Policy review. As soon as approval is complete, it will be published and available for 1-click installation.

Frequently Asked Questions