Text Tools
Character Frequency Counter
Paste any text to see a detailed frequency breakdown of characters, letters, and words.
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Total Chars
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Unique Chars
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Words
Analysez le texte et comptez les fréquences de caractères et mots
Fonctionnalités
Character Frequency
Counts every character and shows frequency with percentage and bar chart.
Word Frequency
Lists every word and how many times it appears in the text.
Ignore Case Option
Treat uppercase and lowercase letters as the same character.
Ignore Spaces
Optionally exclude whitespace from the character analysis.
Comment utiliser
- Paste or type your text in the input box.
- Results update instantly.
- Switch between the Characters and Words tabs.
- Use 'Ignore Case' to merge upper and lowercase counts.
- Use 'Ignore Spaces' to exclude whitespace characters.
FAQ
What is character frequency analysis?▾
It counts how many times each character appears in a text. Commonly used in cryptography to crack substitution ciphers using known language frequency patterns.
What are the most frequent letters in English?▾
In order of frequency: E, T, A, O, I, N, S, H, R, D. E is the most common letter in the English language.
Can I analyze Arabic text?▾
Yes. The tool counts any Unicode character including Arabic letters, Chinese characters, and emoji.
What is word frequency used for?▾
Word frequency analysis is used in SEO (keyword density), NLP, writing style analysis, and detecting the most important topics in a text.
English Letter Frequency
- Most frequent: E, T, A, O, I, N
- Least frequent: Z, Q, X, J, K
- Vowels (A,E,I,O,U) make up ~38% of text
- Letter E alone accounts for ~13% of English text
- Useful for solving Caesar cipher and Vigenere cipher
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