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📈 Character Frequency Counter

Count character, letter, or word frequency with percentage, sorting, filters, and Shannon entropy

Analysis Mode

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Enter text above to see frequency analysis in real time.

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Free online character frequency counter. Analyze character, letter, or word frequency in real time with count, percentage, visual bars, and Shannon entropy. Supports CJK, emoji, and mixed-script text. Three analysis modes, multiple sort and filter options. All processing runs locally in your browser.