Sentence Counter
Measure sentence count and sentence length from pasted text.
Last updated: May 29, 2026
Find this tool useful? Support the project to keep it free!
Buy me a coffeeWhat is Sentence Counter?
Sentence Counter detects sentence-like spans ending with periods, question marks, exclamation marks, or the end of text, then reports supporting word and character counts.
How to Use Sentence Counter
Paste text.
Review sentence and word metrics.
Copy the report if needed.
Common Use Cases
- Checking writing length.
- Reviewing readability.
- Auditing content snippets.
- Counting sentences before editing.
Example Input and Output
One sentence. Another sentence!Sentences: 2Frequently Asked Questions
Is sentence detection exact?
No. It is a fast punctuation-based estimate and may not understand every abbreviation.
Does it count words too?
Yes. It reports words and average words per sentence.
Is text uploaded?
No. Counts are calculated locally in your browser.
Related Tools
Paragraph Counter
Count paragraphs, words, sentences, characters, and average words per paragraph in pasted text.
Word Counter
Count words, characters, sentences, paragraphs, and reading time — with keyword density analysis and platform-specific character limit indicators.
Calculate String Length
Count string characters, Unicode code points, UTF-8 bytes, words, lines, paragraphs, sentences, and whitespace.
Flesch-Kincaid Grade Level Calculator
Calculate Flesch-Kincaid grade level, reading ease, words, sentences, syllables, and readability details.
Text Cleaner
Clean text by combining accent removal, punctuation removal, spacing normalization, trimming, and blank-line removal.
Random Sentence Generator
Generate random English sentences across Simple, Complex, Question, Exclamation, Descriptive, and Dialogue types — each with a word count.