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Sentence counter

Count sentences in any text and see the average number of words per sentence.

0 Sentences

0 Words

— Avg words / sentence

— Longest sentence

100% private. All processing happens locally in your browser — no files or data are ever sent to a server.

How to use Sentence counter

01 Paste or type your text into the input area
02 Results update in real time — no button press needed
03 Use the Copy button to copy the output to your clipboard

Frequently asked questions

Common questions about Sentence counter.

Is Sentence counter free to use?

Yes, Sentence counter is completely free. No account, subscription, or payment is ever required — just open the page and start using it.

Does Sentence counter upload my data to a server?

No. Sentence counter runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.

Can I use Sentence counter on my phone or tablet?

Yes. Sentence counter is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.

Is there a character or word limit?

There is no hard limit built into Sentence counter. Very large inputs (millions of characters) may slow down some browsers, but typical documents process instantly.

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About Sentence counter

The Sentence Counter breaks your text into individual sentences and counts them, while also calculating the average number of words per sentence. Readability guidelines generally recommend an average sentence length of 15–20 words for general audiences. Shorter sentences improve comprehension and scannability. The counter updates live and is useful alongside word count and readability checks when editing for clarity and concision.