Check Readability Score Online - Flesch-Kincaid
Measure how easy your text is to read using established readability formulas. Get Flesch-Kincaid grade level, Gunning Fog index, Coleman-Liau index, and reading time estimates.
Readability Score Checker
Analyze text readability with Flesch-Kincaid, Gunning Fog, SMOG, and more
Start typing or paste text above to see a full readability analysis with 8 different scoring algorithms, sentence-by-sentence breakdown, and improvement suggestions.
Quick Start
- 1Paste your text into the input area
- 2Readability scores are calculated instantly
- 3Review grade level, reading ease, and word complexity
- 4Simplify sentences to improve your score
More Check Tools
All checkers →Check if a URL is Safe Online
Check any URL for malware, phishing, and safety issues. Free online URL safety checker.
Color Blindness Simulator Online - Test Accessibility
Simulate how your design looks to people with color blindness. Free online color vision deficiency simulator.
Check What My IP Address Is Online
See your public IP plus city, country, timezone, and ISP. Free IP lookup useful for VPN checks and network troubleshooting.
Check Button and Link Color Contrast Online
Test whether button text and link colors meet WCAG contrast rules. Free online color contrast checker for UI components.
Check MX Records for a Domain
Check the MX records for any domain and verify email delivery configuration. Free MX record lookup with mail server priorities, no signup.
Check SPF and DKIM TXT Records
Look up SPF and DKIM TXT records for any domain to verify email authentication. Free TXT record checker with full record values, no signup.
Looking for FAQs and advanced options? Visit the full Readability Checker page →