Readability Checker — see how easy your writing is to read.
Paste your text for an instant Flesch Reading Ease score, grade level and key stats. Runs in your browser; nothing is uploaded.
The Flesch formula is tuned for English — treat scores for other languages as a rough guide.
How the readability checker works
Paste your text
Type or paste anything into the editor.
Read your score
See the Flesch Reading Ease, grade level and key stats, live.
Tighten it
Shorten sentences and swap long words to raise the score.
More writing tools
One toolkit instead of ten tabs — every Phrasera tool is free to try, no signup required.
Paraphraser
Rewrite anything, any style
Open Paraphraser →Grammar Checker
Fix grammar & spelling
Open Grammar Checker →Summarizer
Condense to the essentials
Open Summarizer →AI Detector
Estimate AI-written odds
Open AI Detector →Plagiarism Checker
Scan for matched sources
Open Plagiarism Checker →Citation Generator
APA, MLA, Chicago & more
Open Citation Generator →Translator
Natural, fluent translation
Open Translator →Word Counter
Words, characters, reading time
Open Word Counter →AI Humanizer
Make AI text sound human
Open AI Humanizer →Case Converter
UPPERCASE, lowercase, Title Case
Open Case Converter →Title Generator
Catchy titles & headlines
Open Title Generator →Text Compare
Spot differences between two texts
Open Text Compare →Word Frequency Counter
Most-used words & keyword density
Open Word Frequency Counter →