PeasyDo — Where Tasks Become Easy-PeasyPeasyDo — Where Tasks Become Easy-Peasy
すべてのツールテキスト開発者About
  1. ホーム
  2. /
  3. Sentence Counter
…

Sentence Counter

Count sentences in your text instantly as you type.

People Also Use

¶

Paragraph Counter

Count paragraphs separated by blank lines in your text.

Aa

Convert Case

Transform text to uppercase, lowercase, title case, and more.

関連ツール

123

Word Counter

Count words, characters, sentences, paragraphs, and reading time.

¶

Paragraph Counter

Count paragraphs separated by blank lines in your text.

Aa

Character Counter

Count characters with and without spaces in real time.

What is a Sentence Counter?

A sentence counter detects and counts the number of sentences in your text. Sentences are identified by ending punctuation marks like periods, question marks, and exclamation points.

Writers, editors, and students use sentence counters to analyze writing style, readability, and structure.

How to Use This Tool

  1. 1

    Paste or type your text into the textarea.

  2. 2

    The sentence count updates automatically in real time.

  3. 3

    View related stats like word count and paragraph count below.

  4. 4

    Copy or clear your text when finished.

Benefits of Counting Sentences

  • Analyze writing pace and sentence variety
  • Check readability for essays and articles
  • Meet assignment requirements for sentence counts
  • Compare sentence density across drafts
  • Instant results with no sign-up required

よくある質問

How are sentences detected?

Sentences are counted by detecting segments ending with . ! or ? followed by whitespace or end of text.

Are abbreviations like Dr. counted as sentence endings?

Abbreviations followed by periods may be counted as sentence boundaries. For precise academic counting, review edge cases manually.

Is this tool free?

Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.

Does my data leave my browser?

No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.

Explore All Free Tools

Free online utilities for text, code, and more — all running privately in your browser.

Browse All ToolsAlways free
PeasyDo — Where Tasks Become Easy-PeasyPeasyDo — Where Tasks Become Easy-Peasy

Where Tasks Become Easy-Peasy. テキストと開発者向けの高速でプライベートなオンラインツール — データはデバイスから出ません。

PrivateFreeNo adsInstant

人気のツール

  • Convert Case
  • Word Counter
  • Character Counter
  • Sentence Counter
  • Paragraph Counter

Navigation

  • テキスト
  • 開発者
  • About

信頼

  • クライアント側のみで処理
  • データ収集なし
  • アカウント不要
  • オープンでアクセシブル

© 2026 PeasyDo. All rights reserved.

Next.js で構築 · Vercel でホスト

Live count

0Sentences
単語0
Paragraphs0