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T TextNivo

Free Online Tool

Average Sentence Length

Calculate the average number of words per sentence.

The Average Sentence Length lets you calculate the average number of words per sentence. Paste your text below and the result updates instantly as you type — no waiting, no upload, and nothing saved anywhere.

How to use the Average Sentence Length

  1. Paste or type your text into the box above.
  2. Adjust any options to match what you need.
  3. Read your result instantly — it updates live as you edit.
  4. Copy the result, or download it as a .txt file.

Key features

  • Works instantly, with no page reload or waiting.
  • Runs entirely in your browser — your text is never uploaded.
  • Free to use, with no sign-up and no daily limit.
  • Works on desktop and mobile, in any modern browser.

Questions

Frequently asked questions

Is the Average Sentence Length free to use?

Yes — the Average Sentence Length is completely free, with no sign-up, no trial period, and no hidden limits.

Is my text uploaded anywhere when I use the Average Sentence Length?

No. The Average Sentence Length runs entirely in your browser using JavaScript. Your text is processed on your own device and is never sent to a server.

Can I use the Average Sentence Length on my phone?

Yes. The Average Sentence Length works in any modern browser, including on mobile devices, with no app to install.

Is there a limit to how much text I can use?

There's no artificial limit. Because everything runs in your browser rather than on a server, the Average Sentence Length can generally handle as much text as your device can comfortably process.

Keep going

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