Character Frequency Counter
See exactly how many times each character appears in your text — great for cryptography, linguistics, and data analysis.
0
Total Chars
0
Unique Chars
-
Most Common
Frequently Asked Questions
Character frequency analysis counts how often each character appears in a text. It's used in cryptography to decode ciphers, linguistics research, and data compression.
The letter 'E' is the most common in English, appearing about 13% of the time. This is exploited in breaking simple substitution ciphers.
Yes — knowing letter frequencies helps Morse code learners prioritize which codes to learn first.
This tool can show all characters including spaces and punctuation, or filter to only letters.