Free Online Sentence Count Tool

The Sentence Count Tool instantly counts the number of sentences in your text. This tool is perfect for writers, students, journalists, content creators, and editors who need to analyze sentence structure, improve readability, or meet writing guidelines. It works entirely in your browser — fast, accurate, and completely private — without sending your text to any server.

Example:

Input: The sun is shining. It's a beautiful day! Let's go outside?
Sentence Count: 3