ReadabilityTool

Spec sheet

Purpose

ReadabilityTool analyzes pasted text and reports readability scores, text statistics, and plain-language observations about complexity.Read 5 Oct 2026 · readabilitytool.com

Intended users

The site describes use by bloggers and content writers, students and educators, healthcare professionals, legal and business writers, SEO and marketing professionals, and technical writers.Read 5 Oct 2026 · readabilitytool.com

Browser processing

The site says text is processed in the browser using JavaScript and is never sent to a server, stored, or shared with third parties.Read 5 Oct 2026 · readabilitytool.com

Complexity feedback

The Breakdown panel gives observations about sentence length and vocabulary complexity.Read 5 Oct 2026 · readabilitytool.com

Free use

The site says all six formulas are available at no cost, with no subscription and no limit on how much text users can analyze.Read 5 Oct 2026 · readabilitytool.com

Healthcare guidance

The healthcare page says patient-facing materials should target Grade 6 or below and identifies SMOG as a health communications formula.Read 5 Oct 2026 · readabilitytool.com

No account required

The tool requires no account and no software installation.Read 5 Oct 2026 · readabilitytool.com

SEO guidance

The SEO page recommends Flesch Reading Ease scores of 60–70 and Flesch-Kincaid Grade Levels of 7–9 for blog posts and articles.Read 5 Oct 2026 · readabilitytool.com

Six formulas

It provides Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG, Coleman-Liau, and Automated Readability Index scores.Read 5 Oct 2026 · readabilitytool.com

SMOG limitation

The site says the SMOG Index requires at least 30 sentences for accuracy.Read 5 Oct 2026 · readabilitytool.com

Text breakdown

Results include word count, sentence count, average sentence length, and estimated reading time.Read 5 Oct 2026 · readabilitytool.com

Plans and prices

Every ReadabilityTool plan and price →

Where Specifiction places it

• Readability Checkers#24 of 257.1