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Writing, Email & Communication

Flesch-Kincaid Calculator.

Text and editable lists remain in this browser. Calculate reading ease and grade-level estimates for English text. Uses explicit Unicode rules and independent local verification.

Use Flesch-Kincaid Calculator

Private in this browser. Text and user-supplied lists stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Paste text and choose the explicit rules.

  2. 02

    Run the bounded local analysis.

  3. 03

    Review heuristic limitations before downloading the verified result.

Frequently asked questions

Does the score certify writing quality?

No. It describes text using an explicit, limited heuristic.

Does Flesch-Kincaid Calculator upload my data?

Flesch-Kincaid Calculator runs locally in your browser. Text and user-supplied lists stay in this browser.

What output does Flesch-Kincaid Calculator create?

Flesch-Kincaid Calculator creates Json output after the result passes its local verification checks.

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