Check your text's readability score and grade level. Flesch, Kincaid, and more.
Flesch Reading Ease rates text on a 0-100 scale. Higher scores mean easier reading: 90-100 is very easy (5th grade), 60-70 is standard (8th-9th grade), and below 30 is very difficult (college graduate level). Most web content should aim for 60-70.
Readability Checker is a free, browser-based tool built for developers, writers, and quality-focused professionals. Check your text's readability score. Get Flesch Reading Ease, Flesch-Kincaid Grade Level, and writing stats. Free online readability checker. This tool processes everything locally using JavaScript — no data is uploaded to any server, no account is required, and there are no usage limits. Whether you’re working on a quick project or handling sensitive data, your privacy is fully protected. Perfect for quick tasks and professional workflows alike, this tool saves you time by eliminating the need for complex software or manual work. Bookmark this page and use it anytime — it works on desktop, tablet, and mobile devices.