Result by tag 21 results
- CSV table to JSON array
This online calculator converts CSV table to JSON array of objects, using given map of CSV columns to object properties.
- List reverser
This online calculator reverses lines of text
- Numbered list maker
This online calculator numbers lines of text
- Random Letters Generator
This online generator just generates specified number of symbols, randomly selecting them from given set of symbols
- Text fitness
This online calculator computes text "fitness". That is, how similar the given text to other texts written in English language.
- 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 probabilites 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.
- Base 64 encoding and decoding
The calculators encode string to base64 string and decode back to original string. Special characters (+/) , generally produced by base64 algorithm, can be replaced by the data provided in additional parameter.
- Email extractor
This online calculator parses emails from block of text using regular expression
- HTML table to JSON array
Th calculator converts the html table code to JSON array with optional data transpose and compression. It also visualizes numeric data on chart.
- List Join
This online calculator can join two csv lists by key column the same way JOIN works in SQL (inner join, left outer join, right outer join)
- LL1 grammar analysis. Yet another top-down parser generator.
The calculator checks LL1 grammar correctness, parses a text using the grammar, shows FIRST, FOLLOW and FIRST PLUS sets, parsing tree and gives PLANETCALC parsing code.
- Palette generator
This calculator generates palette of colors from starting color to ending color, using maximum diversity, "rainbow" style.
- RAID arrays сalculator
This calculators shows the possible variants of RAID arrays, based on the number of drives available.
- Relative luminance and contrast ratio
Two calculators evaluate the relative luminance and contrast ratio for given colors.
- RGB - HSV and HSV - RGB converter
This calculator converts RGB color to HSV color and vise versa
- GET request string parser
This parser break GET request string to the parameter-value pairs and decodes URL-encoded sequences, if needed
- List format
Format a list using regular expressions
- URL-encoded string decoder
This converter decodes URL-encoded string (percent-encoded characters). It converts reserved characters as well as UTF-8 characters
- Count the number of words
The calculator counts word number in a given text. It can be used for rough calculation of translation cost. Can be used for word number calculation in software resources.