Readability Score
TEXTCalculate Flesch-Kincaid readability score for your content.
ℹ️ About Readability Score
Readability Score is a free online text tool from Tools Coaster. Calculate Flesch-Kincaid readability score for your content. It is handy for readability, flesch, score tasks. It runs entirely in your browser — no sign-up, no installs, and nothing you enter ever leaves your device.
📖 How to Use Readability Score
1
Paste your text
Drop in any text — an article, email, code snippet, or a whole document.
2
Run Readability Score
The transformation is applied instantly as you type or paste.
3
Review the output
The processed result appears in the output panel in real time.
4
Copy the result
One click copies the output to your clipboard, ready to paste anywhere.
💡 Examples
Worked example
INPUT
The cat sat on the mat. It was a sunny day.→
OUTPUT
Flesch Score: 74/100
Level: Easy
Words: 11
Sentences: 2🚀 Pro Tips
✓Everything runs locally in your browser — your input is never uploaded to a server, so it is safe for private or sensitive data.
✓Large documents still process instantly because the work happens on your device, not a server.
✓Bookmark the tool for one-click access whenever you need it.
✓Works the same on phone, tablet, and desktop — no app to install.
✓Paste straight from Word, Google Docs, PDFs, or web pages — formatting is stripped automatically.