Plain Language Analyzer

Measure how plain a passage reads.

Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.

Plain Language Analyzer

How to use this tool

  1. Enter your details in the fields above.
  2. Press Generate to see the result.
  3. Use Load sample to try the worked example, or Clear to start again.

Worked example

For The cat sat on the mat., there are 6 words in 1 sentence, so the average sentence length is 6 words, and there are 0 long words.

What this tool does not do / Limits

This is a surface measure only: it counts words and lengths, it does not judge clarity, tone or meaning, and a short sentence can still be hard to understand.

Frequently asked questions

What counts as a long word?

Any word with more than six letters, ignoring punctuation.

Is a low score always better?

Shorter sentences usually read more easily, but meaning matters more than any single number here.

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