Best AI Readability Checkers in 2026

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

HLA suits people preparing documents who need readability measures, plain-language alternatives, or a structured review of content and design.

ApyHub Readability Scores Documents API

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

It suits bloggers, technical writers, documentation teams and students who want readability metrics for Markdown.

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.

A2Z Tools Plain Language Analyzer

It suits editors and teams preparing letters, forms, policies, service instructions, or web pages for ordinary readers.

ProfText suits writers and teams reviewing documents for clarity, AI-associated patterns, or citation validity.

AI Readability

It suits writers, editors, and content teams checking English text for clarity and AI parsing.

AI Readability Checker

It suits writers, site owners, and teams reviewing published pages or drafts for clearer structure and language before release.

Eclipse Readability Studio

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

It suits writers and site owners who want to review and simplify website copy one section at a time.

textstat suits developers, educators, and science or research users working with text input.

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.

It suits writers and reviewers of technical documents who want repeatable checks for clarity issues.

ToolsVale Readability Checker

It suits writers and site owners who want to review readability, compare pages, or check whether crawlers can access page content.

The platform is aimed at SEO and content teams, documentation and support teams, legal or policy writers, and product UX teams working with text.

Etoolio Easy Read Checker

This tool suits writers checking accessible wording for people with learning disabilities, low literacy, or English as a second language.