Check Readability

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Check Readability is ranked #5 of 25 in readability checkers on Inferse. It runs on Browser extension, Web. There is a free plan.

Compared on readability checkers

Free plan: Yescheckreadability.com
Readability formulas: 9 formulascheckreadability.com
Sentence analysis: Yescheckreadability.com
Clarity recommendations: Yescheckreadability.com
Browser extension: Yescheckreadability.com
Language support: englishcheckreadability.com

Facts

Purpose: CheckReadability analyzes pasted text and returns nine readability scores plus a consensus grade level.checkreadability.com · 30 Sept 2026
Formulas: The analyzer supports Automated Readability Index, Flesch Reading Ease, Gunning Fog, Flesch-Kincaid Grade Level, Coleman-Liau, SMOG, LINSEAR Write, FORCAST, and New Dale-Chall.checkreadability.com · 30 Sept 2026
Analysis: The site provides immediate feedback on text complexity, sentence length, and word choice.checkreadability.com · 30 Sept 2026
SEO: The product says it helps improve search rankings by making content easier to read and understand.checkreadability.com · 30 Sept 2026
Accessibility: The product says readable content can improve accessibility for people with reading difficulties.checkreadability.com · 30 Sept 2026
Web privacy: Text analyzed on the website is sent over an encrypted connection, held in memory only while scores are computed, and not written to a database, logged, or used for training.checkreadability.com · 30 Sept 2026
Extension privacy: The Chrome extension performs scoring locally in the browser and transmits no page content or selected text.checkreadability.com · 30 Sept 2026
Analytics: The website uses Google Analytics for page visits, rough geographic region, browser type, and referring site, but not analyzed text.checkreadability.com · 30 Sept 2026
Extension features: The extension provides a native Chrome Side Panel, full-page or selected-text extraction, interactive formula breakdowns, and nine readability formulas.checkreadability.com · 30 Sept 2026
Extension users: The extension is designed for copywriters, SEO specialists, editors, researchers, and educators.checkreadability.com · 30 Sept 2026
Chrome listing: The Chrome Web Store listing describes the extension as free and reports version 1.2.0 updated September 4, 2026.chromewebstore.google.com · 30 Sept 2026
Themes: The Chrome extension supports System, Light, and Dark interface modes.chromewebstore.google.com · 30 Sept 2026
Score limits: The terms say readability formulas are statistical estimates and cannot judge whether writing is accurate, logical, appropriate, or well argued.checkreadability.com · 30 Sept 2026
Support: Privacy questions can be sent to [email protected].checkreadability.com · 30 Sept 2026