Textorum.io · Flesch score

    Flesch Reading Score Calculator

    Calculate the Flesch reading ease of any text instantly and learn how to make your writing clearer.

    Analyze your text instantly — directly in your browser.

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    Flesch score
    Live
    36
    Words
    217
    Characters
    3
    Sentences
    1
    Paragraphs
    • Instant analysis
    • Processed locally in your browser
    • No signup required
    • Multilingual

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    Built for serious writers

    Instant feedback

    Every keystroke updates metrics in real time — no buttons, no waiting.

    Private by design

    Your text is processed locally in your browser. Nothing is uploaded or stored.

    Multilingual

    Built for English, German, Spanish, French, Italian and Portuguese writers.

    Editor-grade accuracy

    Counts and readability scores match what professional editors actually use.

    Understanding the Flesch reading ease score

    What is the Flesch reading ease score?

    Developed by Rudolf Flesch, it measures how easy a text is to read on a 0–100 scale (0 = very difficult, 100 = very easy).

    How is the score calculated?

    The formula uses average sentence length and average syllables per word: 206.835 − (1.015 × ASL) − (84.6 × ASW).

    How to improve your Flesch score

    Break long sentences, replace polysyllabic words with simpler ones, and prefer active voice.

    Dig deeper with related Textorum.io tools: Check readability online.

    Why measure Flesch reading ease?

    Real-time results

    Analysis updates as you type — no waiting, no buttons.

    Private by design

    Everything runs in your browser. Your text never leaves the page.

    No signup required

    Open the tool and start working in seconds — completely free.

    Built for writers

    Designed for bloggers, SEO specialists, students and content teams.

    Used by writers everywhere

    • Blog and magazine articles
    • SEO landing pages
    • Academic writing reviews
    • Internal communications
    • Marketing campaigns
    • Plain-language editing

    How to calculate the Flesch reading ease score

    1. 01

      Paste or type your text

      Drop content into the editor or upload a .txt or .docx file.

    2. 02

      Review the live metrics

      See your focus score, word count, readability and SEO signals.

    3. 03

      Refine your writing

      Tighten sentences, balance keywords and improve clarity.

    4. 04

      Publish with confidence

      Ship clear, well-structured content for readers, SEO and modern search experiences.

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    Processed locally

    All analysis runs on your device, inside your browser tab.

    No server-side storage

    We never send your text to a server or save it to a database.

    Transparent metrics

    Open formulas for word count, readability and SEO scoring — no black box.

    No signup required

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    Learn how it works

    Flesch reading ease FAQ

    Which Flesch grade level is ideal for blogs?

    Most successful blogs target a 7th–9th grade reading level (Flesch 60–70).

    Does the Flesch score work for all languages?

    Flesch was designed for English. Other languages have their own readability formulas.

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    Check readability online

    Free Readability Checker

    Check the readability of any text instantly. Get Flesch reading ease, grade level and writing insights — free, private and in your browser.

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    Count sentences and average sentence length in any text. A free sentence counter for clearer, more readable writing.

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