Math, financial, weight calculators, equation solvers, HTML & programming tools, and much more!

This tool encodes characters into URI components and back, with the decode function
Input two or more equations set much have as many variables is x and y, and there are equations, and each variable must be on its own line
Use this tool to specify coordinates to points on a graph and parameter for rotation. It will return the coordinates of the rotated points.
Use this tool to generate a set of coordinates that make a particular shape. If you specify square, this tool will return a set of coordinates that form a square
This tool will solve a linear equation in any variable. Remember, a linear equation is one where the highest power of the variable is 1.
Use this script to test a regular expression pattern that you're developing.
This tool encodes characters into HTML entity special characters and decodes special characters to regular text.
This text processing tool allows you to modify the lines within a sample text with useful options. You can filter the lines you want to modify.
With this tool you can generate an HTML list in several different formats including UL, OL, SELECT or TABLE, from lines of text. You can also specify delimiter text.
Generate repetitions of a given string of text separated by a separator of your choice.
Sort lines of text or a list of words, in alphabetical order or numerically.
Generate a UNIX timestamp number by providing a date/time or convert a Unix timestamp into a date and time.
Calculate the Levenshtein distance between two strings of text to determine how similar the strings are.
Encode a normal string using the uuencode algorithm or decode a uuencoded string into readable characters.
Use this tool to find your current User Agent string.
Use this tool to find out your current IP address.
Encode or decode a string to or from Base64.