Sentence Counter — Browser Text Analysis

Text

Sentence Counter is a browser text tool that counts sentences, words, paragraphs, and average sentence length.

Sentence Counter

Runs in this browserInput and recent results are processed only in this browser tab. They are not sent to or stored on a server.

Sentence count uses period, exclamation, and question punctuation, then reports words, paragraphs, and average sentence length.

Text

ResultRule shown

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What is it

Sentence Counter helps with search content checks, editorial review, and accessibility-adjacent text preparation. Input is capped at 20,000 characters to keep the browser responsive.

average sentence length = words / sentences

How to use

1Paste or type text.
2Choose an option when available.
3Review the analysis or transformed output.

Reference

Sentence Counter — Browser Text Analysis Reference
Input	Result
Hello. World!	Sentences: 2

Sources & standards

MDN Web Docs: Client-side web APIs - MDN Web Docs

FAQ

Is Sentence Counter input sent to a server?

No. The input is processed locally in your browser and is not sent to a server.

Do Korean and English texts use identical rules?

No. Word and sentence counts are shared helpers, but English-only formulas should be interpreted only for English prose.