Count characters, words, lines, and UTF-8 bytes live.
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Starting points for your own code. Run them in the environment shown below.
Node.js 22+ · ES module (.mjs)
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const text = "안녕 👋\nHello tools";
console.log({
codePoints: [...text].length,
graphemes: [...new Intl.Segmenter(undefined, { granularity: "grapheme" }).segment(text)].length,
utf8Bytes: new TextEncoder().encode(text).length,
lines: text ? text.split(/\r\n|\r|\n/).length : 0,
whitespaceSeparatedWords: text.trim() ? text.trim().split(/\s+/).length : 0,
});Count characters, words, lines, and UTF-8 bytes live.
Visible characters use grapheme clusters. Code points and UTF-16 length are listed separately.
Text 1 MB
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