Know exactly how
readable your text is.
Paste any text and get instant Flesch readability scores, grade level, reading time, vocabulary density, a smart extractive summary, and word frequency stats — all in your browser.
Eight metrics,
one paste.
Every analysis runs instantly in your browser using proven readability formulas — no server, no account, no wait.
Flesch Reading Ease
The industry-standard 0–100 readability score. Know immediately if your content is too complex or perfectly pitched for your audience.
Grade Level (FK)
Flesch-Kincaid Grade Level tells you the US school grade needed to understand your text — invaluable for targeting the right readers.
Reading Time
Estimated read time based on the 238 wpm adult average — useful for blog posts, newsletters, and any content where time-to-read matters.
Vocabulary Density
Ratio of unique words to total words. Higher density means richer, more varied vocabulary; lower suggests repetitive text.
Extractive Summary
A client-side algorithm scores each sentence by keyword frequency and returns the three most informative sentences as your summary.
Word Frequency
See the top 10 most-used meaningful words with a proportional bar chart — reveals your text's main themes instantly.
Paste, analyze,
improve.
Paste your text
Copy any text — an article, essay, email, or report — and paste it into the input panel on the left.
Click Analyze
Hit the Analyze button. All metrics compute instantly in your browser with no data sent anywhere.
Read and improve
Review the Flesch score, grade level, summary, and word frequency. Adjust your text and re-analyze to track improvement.
Tools for every
writing task.
Content Writers
Check blog posts and articles hit a Flesch score of 60+ so readers don't bounce due to difficult language.
Academics
Verify research papers and theses match expected grade levels, and quickly summarize long sections.
Marketers
Ensure copy, landing pages, and emails are clear and conversational — high readability improves conversions.
Teachers
Assess whether reading materials are grade-appropriate for students before distributing them.
Legal & Technical
Simplify contracts and documentation by identifying sentences with high complexity scores.
UX Writers
Keep product copy at a low grade level so instructions and UI text are universally accessible.
Frequently Asked Questions.
The Flesch Reading Ease score rates text on a 0–100 scale. Scores of 70–100 are easy to read (plain English, consumer content). Scores of 30–60 are moderate (standard articles). Scores below 30 are very difficult (academic and legal writing).
Reading time is estimated based on an average adult reading speed of 238 words per minute — the commonly cited research figure. Results are rounded up to the nearest minute.
The summarizer is extractive: it builds a frequency map of meaningful words (excluding common stop words), then scores each sentence by the sum of its word frequencies. The highest-scoring 3 sentences are returned as the summary.
Yes. All analysis runs entirely in your browser using JavaScript. No text is sent to any server and nothing is stored outside your browser session.
Vocabulary density is the ratio of unique words to total words. A high density (e.g. 70%) means varied vocabulary; a low density (e.g. 30%) means many words repeat, which can indicate repetitive writing.
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