文字カウンター

文字、単語、文などをカウント

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文字
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文字(スペース除く)
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単語
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段落
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最終更新:

ツールについて

文字・単語カウンターは入力テキストの文字数(空白あり/なし)、単語数、文数、段落数、行数をリアルタイムで集計します。文字数制限のあるツイート・メタディスクリプション・ストア説明文や、文字数が成果物となる執筆・翻訳作業で活躍します。

使い方

  1. Paste or type your text into the input box.
  2. All six metrics update on every keystroke — no button needed.
  3. Use the characters-without-spaces value when comparing against APIs that count code points.
  4. Watch the words count for blog posts, essays, and content with a target length.
  5. Use line count when working with logs, source code, or CSV-like data.

主な使用例

  • Checking that an SEO meta description stays under 160 characters.
  • Hitting a 280-character limit for a Tweet or 300-character limit for a Bluesky post.
  • Tracking word count for academic essays or magazine assignments.
  • Estimating reading time (~200 words per minute) for a blog post.
  • Auditing log file size by line count when piping output into the textarea.
  • Validating user-generated content against backend length constraints before submitting.

よくある質問

Q. How are words counted?

A. By splitting on whitespace runs after trimming. So "hello world" = 2 words, but "hello world" (multiple spaces) is also 2.

Q. Why is character count different from what Twitter shows?

A. Twitter weights certain characters (like emoji and CJK) differently. This tool reports raw JavaScript string length (UTF-16 code units), which matches most backend validations.

Q. How are sentences detected?

A. By counting end-of-sentence punctuation (. ! ?). Abbreviations like "Mr." may inflate the count slightly.

Q. Does the tool send my text anywhere?

A. No. Counting happens entirely in your browser; nothing is uploaded.