Sentence Counter
Count sentences in your text instantly as you type.
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What is a Sentence Counter?
A sentence counter detects and counts the number of sentences in your text. Sentences are identified by ending punctuation marks like periods, question marks, and exclamation points.
Writers, editors, and students use sentence counters to analyze writing style, readability, and structure.
How to Use This Tool
Paste or type your text into the textarea.
The sentence count updates automatically in real time.
View related stats like word count and paragraph count below.
Copy or clear your text when finished.
Benefits of Counting Sentences
- Analyze writing pace and sentence variety
- Check readability for essays and articles
- Meet assignment requirements for sentence counts
- Compare sentence density across drafts
- Instant results with no sign-up required
Frequently Asked Questions
How are sentences detected?
Sentences are counted by detecting segments ending with . ! or ? followed by whitespace or end of text.
Are abbreviations like Dr. counted as sentence endings?
Abbreviations followed by periods may be counted as sentence boundaries. For precise academic counting, review edge cases manually.
Does this also count words and paragraphs?
Yes. The tool shows sentence count plus related stats like words and paragraphs, all updating live as you type.
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
Does this tool work on mobile?
Yes. PeasyDo tools work in modern mobile browsers on iOS and Android. For file tools, use a browser that supports file uploads and downloads.
Do I need to install software?
No. Everything runs in your browser — no desktop app, plugin, or account required.
Feedback & report a problem
Found a bug or have a suggestion? Let us know — it helps us improve this tool.
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