Sentence Counter
Count sentences, find the longest and shortest, and see average sentence length. Useful for writing analysis. Free.
How to use the Sentence Counter
Sentence analysis
Long sentences (20+ words) make text harder to read. Good writing mixes short punchy sentences with medium ones. Sentences over 30 words are highlighted in red — consider splitting them. The average sentence length for online content should be 15–20 words.
Frequently asked questions
Is the Sentence Counter free to use?
Yes, the Sentence Counter is completely free. There is no sign-up, no account required, and no limit on how often you can use it.
Is my text private when using the Sentence Counter?
Yes, all text processing happens in your browser. Your text is not sent to any server and is not stored anywhere outside your device.
What devices does the Sentence Counter work on?
The Sentence Counter works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.