Best Readability Checkers in 2026

Check Readability

Check Readability suits writers, editors, researchers and educators who want formula-based scores for text.

TextGears

TextGears may suit students, universities, EdTech, HR, and content or advertising services needing writing checks or API text analysis.

ProWritingAid

It suits English-language writers who want grammar and style suggestions in supported editors or browsers.

It suits educators and readers assessing text difficulty or comparing written material with students’ reading ranges.

ApyHub Readability Scores Documents API

This API suits teams or developers who need readability scores and text statistics for documents or public web pages.

Text Inspector suits language professionals, academics, and students working with English texts.

It suits developers adding English readability scoring to a service or workflow.

Hemingway Editor

Hemingway Editor suits writers who want readability feedback and teams working on communications, grants or sales proposals.

AnchorKite Readability Checker

It suits people who want quick browser-based readability estimates for English writing, including teachers, writers, workplace authors, and specialist communicators.

It suits writers, editors, and site owners who want readability estimates and paragraph or sentence-level guidance in a browser.

Eclipse Readability Studio

It suits educators, students, publishers and people in government, military or healthcare who need to assess document readability or grammar.

RAT suits users checking German .docx text who are comfortable running command-line Java software.

Readability Formulas

The tools may suit writers, editors, educators, marketing professionals, healthcare providers and government agencies working to assess or edit English text.

Delimiter Readability Checker

It suits writers reviewing English web copy, long articles, and rewrites.

It suits English writers who want a quick readability estimate and sentence-level suggestions.

It suits students, translators, writers, and others who want statistics or readability information about English text.