Sentence Counter
Count sentences, average sentence length, and longest sentence in a block of text.
100% client-side · no upload
0
Sentences
0
Avg words / sentence
Within limit ✓
How to use
- Paste or type your text into the box above.
- Counts update live — sentences split on ".", "!", and "?".
- The longest-sentence tag shows the most complex sentence in your text (truncated).
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Frequently Asked Questions
- Is this sentence counter free?
- Yes, completely free with no signup and no usage limits.
- Does my text leave my device?
- No. All counting runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox