Free � Private � Browser-only

ClarityScore

Premium reading level checker and readability checker for English text. Paste a draft for Flesch Reading Ease, Flesch?Kincaid grade level, and reading time ? nothing leaves your browser.

Reading level checker

Local analysis

Max 50,000 characters. Scoring runs on this device only.

Guides that match real searches

Built around high-volume English queries: reading level checker, readability checker, and Flesch Reading Ease. Use the tool above, then read the guides to interpret scores.