Free Online Letter Frequency Counter
Analyze the frequency of each letter in your text. See counts and percentages for A-Z. Useful for cryptography and linguistics.
How to Use the Letter Frequency Counter
1
Paste text.
2
See the frequency of each letter.
3
Use the analysis.
Frequently Asked Questions
What does it count?
It counts each letter A-Z (case-insensitive) and shows the count and percentage of total letters.
Is it useful for cryptography?
Yes. Letter frequency analysis is a fundamental technique in classical cryptanalysis.
Does it count non-letter characters?
The frequency breakdown only shows letters. Spaces, numbers, and punctuation are excluded from the analysis.