mtools.lol

Readability Checker

Score how easy your text is to read and find long sentences and passive voice.

How it works

  1. 1Paste your text.
  2. 2Read the scores.
  3. 3Rewrite long or passive sentences.

Features

  • Flesch reading ease and Flesch-Kincaid grade.
  • Highlights sentences over 25 words.
  • Counts passive voice and 4+ syllable words.
  • Private: runs in your browser; nothing is uploaded.

Frequently asked questions

What's a good score?

60 or more (plain English) for web and social copy; 70+ is easy for most readers.

Does it work for other languages?

The formulas are built for English.