DevToolBox

Word Counter & Text Analyzer

単語数・文字数・文章数・段落数をリアルタイムでカウント。読了時間も表示。

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文字数
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文字数(空白除く)
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単語数
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文数
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段落数
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行数
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読了時間

How to Use the Word Counter

This free online word counter and text analyzer gives you instant statistics about your text as you type. Simply paste or type your content into the text area, and the tool automatically calculates the number of words, characters (with and without spaces), sentences, paragraphs, lines, and estimated reading time. All counts update in real time with no need to click any button. Everything runs in your browser, so your text is never sent to any server.

Why Word Count Matters

Word count is important for writers, students, marketers, and content creators. Blog posts typically perform best at 1,000 to 2,500 words for SEO. Academic essays often have strict word count requirements. Social media posts have character limits that vary by platform (Twitter/X at 280 characters, LinkedIn at 3,000 characters). Meta descriptions should be under 160 characters, and title tags under 60 characters. This tool helps you stay within these limits quickly and accurately.

Understanding Reading Time

The estimated reading time is calculated based on an average reading speed of 200 words per minute, which is a widely accepted average for adult readers consuming online content. This estimate helps bloggers and content creators set reader expectations. Many popular platforms like Medium display reading time prominently because it helps readers decide whether to engage with a piece of content. Shorter articles (under 3 minutes) tend to have higher completion rates, while longer, in-depth articles can establish authority.

Character Count Details

The tool provides both total characters (including spaces, tabs, and newlines) and characters without spaces. The character count without spaces is particularly useful for translation services that charge per character, SMS messages with strict byte limits, and form fields with maximum length validation. Sentence detection handles common endings including periods, exclamation marks, and question marks. Paragraph detection identifies text blocks separated by blank lines, which is useful for assessing content structure.

文字数カウンターの使い方

テキストエリアに文章を入力または貼り付けると、単語数・文字数・文数・段落数・行数・読了時間がリアルタイムで表示されます。 ボタンを押す必要はなく、入力と同時にカウントが更新されます。ブログ記事の文字数チェックやSNS投稿の文字数制限確認、 レポートの分量把握などに便利です。全ての処理はブラウザ内で完結します。

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