Search results
| Name |
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| List format Format a list using regular expressions |
| Simple math in any numeral system This online calculator supports simple math (addition, subtraction, division, multiplication and power) for numbers expressed in any numeral system - binary, octal, hexadecimal, from the base 2 to base 36 |
| URL-encoded string decoder This converter decodes URL-encoded string (percent-encoded characters). It converts reserved characters as well as UTF-8 characters |
| GET request string parser This parser break GET request string to the parameter-value pairs and decodes URL-encoded sequences if needed |
| 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. |
| Email extractor This online calculator parses emails from block of text using regular expression |
| 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. |
| RAID arrays сalculator This calculators shows the possible variants of RAID arrays, based on the number of drives available. |
| RGB - HSV and HSV - RGB converter This calculator converts RGB color to HSV color and vice versa |
| Palette generator This calculator generates palette of colors from starting color to ending color, using maximum diversity, "rainbow" style. |
| 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. |
| 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) |
| Relative luminance and contrast ratio Two calculators evaluate the relative luminance and contrast ratio for given colors. |
| Numbered list maker This online calculator numbers lines of text |
| List reverser This online calculator reverses lines of text |
| Text fitness This online calculator computes text "fitness". That is, how similar the given text to other texts written in English language. |
| Random Letters Generator This online generator just generates specified number of symbols, randomly selecting them from given set of symbols |
| 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. |
| 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. |