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Free Online Sentence Counter

Count sentences separated by terminal punctuation.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result

How to use Sentence Counter

Count sentences separated by terminal punctuation. This is a punctuation-based estimate, not a linguistic parser. Abbreviations and decimals can produce different counts from editorial software.

  1. Set Input.
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.

Example & practical use

Count sentences separated by terminal punctuation. The example below demonstrates Input.

Example input:
{
  "text": "One. Two! Three?"
}
Expected result (relevant fields):
{
  "sentences": 3
}

Features & result limitations

This is a punctuation-based estimate, not a linguistic parser. Abbreviations and decimals can produce different counts from editorial software.

Frequently asked questions

What inputs does Sentence Counter accept?

Input

How should I interpret the Sentence Counter result?

This is a punctuation-based estimate, not a linguistic parser. Abbreviations and decimals can produce different counts from editorial software.

Where does Sentence Counter process my data?

Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.