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Text fitness (version 2) This online calculator calculates measure known as fitness score, of how given text is similar to a typical English text. It uses frequencies of unigrams, bigrams and trigrams to calculate fitness score. The reference frequencies are calculated from Leipzig Corpora Collection and can be downloaded from http://practicalcryptography.com/cryptanalysis/text-characterisation/quadgrams/. The less value you get, the better. |
Text fitness (version 3) This online calculator calculates measure known as fitness score, of how given text is similar to a typical English text. It uses logarithms of probabilities with normalization to calculate fitness score. The reference frequencies are calculated from Leipzig Corpora Collection and can be downloaded from http://practicalcryptography.com/cryptanalysis/text-characterisation/quadgrams/. The less value you get, the better. |
Polynomial power expansion The calculator expands n-th power of a given polynomial. |
CompuServe RLE file viewer This online calculator can parse and display images from CompuServe graphics files in RLE format |
Jarvis march This online calculator computes the convex hull of a given set of points using Jarvis march algorithm, aka Gift wrapping algorithm |
Jarvis march This online calculator computes the convex hull of a given set of points using Jarvis march algorithm, aka Gift wrapping algorithm |
Ancient PixelArt: CompuServe RLE file viewer This online calculator can parse and display images from CompuServe graphics files in RLE format |
Run-length encoding This online calculator compresses the entered string using the run-length encoding (RLE) method. |
Bit length The calculator counts number of bits required to represent a number in the binary form. It also displays an input number in binary, octal, decimal, and hex forms. |
UTF-8 encoded string The calculator converts an input string to a UTF-8 encoded binary/decimal/hexadecimal dump and vice versa. |
Text file encoding You can use this calculators to encode a text with an encoding. |
Text file decoder Using this calculator you can decode and read a text file in some encoding. |
Binary file You may use this calculator to create binary file by editing its content in hexadecimal, decimal or binary form. |
LZW This calculator compresses/decompresses a string using Lempel-Ziv-Welch (LZW) algorithm. |
Unicode scripts and blocks The calculators for counting number of characters per different Unicode blocks and Unicode scripts for a given text. |
Jpeg file structure The calculator displays the dimensions of an input jpeg file as well as jiff markers stored in the file. |
Handlebars Templates Sandbox for experimenting with the Handlebars templating engine. Allows you to set a text template, JSON object and display the result processed by the handlebars js library |
OpenOffice/LibreOffice document generator using Handlebars templates This online generator allows you to upload a document template as an OpenOffice Document File (odt) file, with Handlebars templates included, and generate a final document based on the data entered in JSON format. |
Selecting a specified number of rows from the list randomly This calculator allows you to pick a selection of strings from a list at random. You can select with or without repeats. The calculator uses a random number generator built into Javascript. |