Sentence Counter
Paste text to count sentences, see average words per sentence, and find the longest sentence.
100% client-side · no upload
0
Sentences
0
Avg words / sentence
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Longest sentence (words)
Longest sentence:
How to use
- Paste or type your text into the box above.
- Counts update live — sentences split on
.,!, and?. - The longest sentence box highlights the most complex sentence in your text.
Related language tools
- Word Count by Language — Unicode-aware word counting
- Readability Score — Flesch reading ease and grade level
- Syllable Counter — syllables per word and total
よくある質問
- 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.