Character Frequency Counter
Paste any text to see a detailed frequency breakdown of characters, letters, and words.
Understand the composition of any text with this character and word frequency analyzer. Paste your text and instantly see how often each letter, symbol, or word appears — complete with counts, percentages, and visual frequency bars. Useful for cryptography, linguistic analysis, writing, and SEO.
Features
How to Use
- 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