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Writing, Email & Communication

Readability Score Calculator.

Text and editable lists remain in this browser. Calculate multiple readability metrics and expose formula limitations. Uses explicit Unicode rules and independent local verification.

Use Readability Score 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 Readability Score Calculator upload my data?

Readability Score Calculator runs locally in your browser. Text and user-supplied lists stay in this browser.

What output does Readability Score Calculator create?

Readability Score Calculator creates Json output after the result passes its local verification checks.

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