Readability Checker

Make your writing easier to read. Paste your text to get a Flesch Reading Ease score, an estimated reading age, and a list of long sentences to shorten.

  • Free to use
  • No sign-up needed
  • Works on phone and desktop
–Flesch Reading Ease
–Reading age (UK)
–Avg words per sentence
–Long sentences (25+ words)
–Possible passive voice
–Complex words

    Scores are automated estimates. Use them as a guide alongside your own judgement.

    How to use the readability checker

    1. Paste a blog post, email or page into the box.
    2. Check your Flesch Reading Ease score. Around 60 or above suits most blogs.
    3. Shorten the sentences listed under “Sentences to shorten”.
    4. Swap long words for simpler ones where you can.

    Quick ways to improve readability

    • Aim for an average of 15–20 words per sentence.
    • Use active voice: “We tested the tool” rather than “The tool was tested”.
    • Break up long paragraphs and use headings and lists.
    • Explain jargon the first time you use it.

    Frequently asked questions

    What is a good Flesch Reading Ease score?

    60–70 is plain English, suitable for most readers. Higher is easier. Below 50 is fairly difficult.

    How is reading age worked out?

    It’s based on the Flesch-Kincaid grade level, converted to an approximate UK reading age.

    Is my text saved?

    No. Everything is analysed in your browser.

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