How does it count sentences?

It splits text on periods, exclamation marks, and question marks, filtering out abbreviations.

Does it count paragraphs?

Yes — paragraphs are counted by line breaks.

Can I see which sentence is the longest?

Yes — the longest sentence is highlighted in the output.

Free Sentence Counter — Count Sentences & Paragraphs Online

Analyze your text structure with our free Sentence & Paragraph Counter. Paste any text and instantly see the total number of sentences, paragraphs, average sentence length, and your longest sentence highlighted. Ideal for writers optimizing readability, students checking essay structure, and editors ensuring consistent paragraph sizing. The tool also shows a sentence-length distribution chart so you can spot overly long or choppy sentences at a glance.

✦ FreeNo sign-upBrowser-onlyNo data uploaded

How to use the Sentence & Paragraph Counter

Open the tool — Visit this page in any browser. No account, download, or installation required. Works on desktop, tablet, and mobile.
Enter your content — Analyze your text structure with our free Sentence & Paragraph Counter.
Get your result instantly — All processing happens in your browser. Copy, download, or share your result immediately. Your data never leaves your device.

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