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Frequency Analysis

[Back] This page will analyse the frequency of characters in text, in order that we can conduct a frequency analysis of the text.

Enter your text for analysis

Select a random piece of text (click on Gen Text), or enter your own and click on Analyse:

Message:

Frequency Analysis of Text

This table shows the occurances of the letters in the text (ignoring the case of the letters):

a b c d e f g h i j k l m
1 [2.9%] 1 [2.9%] 1 [2.9%] 1 [2.9%] 3 [8.6%] 1 [2.9%] 1 [2.9%] 2 [5.7%] 1 [2.9%] 1 [2.9%] 1 [2.9%] 1 [2.9%] 1 [2.9%]
n o p q r s t u v w x y z
1 [2.9%] 4 [11.4%] 1 [2.9%] 1 [2.9%] 2 [5.7%] 1 [2.9%] 2 [5.7%] 2 [5.7%] 1 [2.9%] 1 [2.9%] 1 [2.9%] 1 [2.9%] 1 [2.9%]

Mapping to normal

This table shows how the text matches a normal probability to text (where 'E' has the highest level of occurance and 'Z' has the least). The grey rows show what would be expected for the order, and the red one shows what your text gives for the order:

e t a o i n s h r d l c u
O E T R H U T F E I G S B
m w f g y p b v k x j q z
A Z D C V S Q X Y W L K J

1, 2 and 3 letter analysis

One letter (Most pop: a, I)Two letter (Most pop: of, to, in, it, is, be, as, at, so, we, he, by, or, on, do, if, me, my, up, an, go, no, us, am)Three letter (Most Pop: the, and, for, are, but, not, you, all, any, can, had, her, was, one, our, out, day, get, has, him, his, how, man, new, now, old, see, two, way, who, boy, did, its, let, put, say, she, too, use)
the [2] fox [1] dog [1]

Charting

Probability Table

The following shows an expected probability of occurances of letters and words:

Codes

Background theory

  • Try a sample of "Typewriter" . Try!, which uses all the letters on the top row of a US/UK keyboard.
  • The quick brown fox jumps over the lazy dog" . Try!, which uses all the letters in the English alphabet.
  • Forsaking monastic tradition, twelve jovial friars gave up their vocation for a questionable existence on the flying trapeze" . Try!, which uses all the letters in the English alphabet.
  • No kidding. Lorenzo called off his trip to visit Mexico City just because they told him the conquistadores were extinct." . Try!, which uses all the letters in the English alphabet.
  • Sphinx of black quartz, judge my vow" . Try!, which uses all the letters in the English alphabet.
  • The five boxing wizards jump quickly" . Try!, which uses all the letters in the English alphabet.
  • Try a cipher of "ONR ECRYAPFJ FDAO PFOXADRT NPM TGOG UGD LR RDUCIEORT JP ONGO AO UGDDPO LR YARMRT LI GDIPDR ONGO AO MGJ DPO ADORDTRT QCPK.". Try