Regular Expression Tester can define your own regular expression (regex) to search the input data with, optionally choosing from a list of pre-defined patterns.

Hex Encode & Decode is a encode tool for free that can convert the text to hexadecimal bytes separated by the specified delimiter and also can convert hexadecimal byte string back into its raw value.

Text To Braille Converter can ​convert text to six-dot braille symbols and also convert six-dot braille symbols back to text.

Tic-Tac-Toe is a classic paper-and-pencil game for two players who take turns marking the spaces in a 3×3 grid. One player uses the "X" symbol, while the other uses the "O" symbol. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game. This mini game can be enjoyed both as a single-player and as a two-player competition.

Insert Needle Into Gaps is a challenging mini-game designed to test players' reflexes and strategic thinking. The player must pass the needle or pin through a series of increasingly narrow gaps and insert it into the rotating circle in the middle.

Unicode Characters Escape & Unescape can convert characters to their unicode-escaped notations, and convert unicode-escaped character notation back into raw characters.

Characters Escape & Unescape can escapes special characters in a string so that they do not cause conflicts, and unescapes Characters in a string that have been escaped.

Antipode Calculator: Click any city name or location on the map or entering the latitude and longitude coordinates, you can easily find its antipode (the opposite side of the world).

Location Coordinates Picker is a latitude and longitude coordinates picker that allows you to quickly pinpoint geographic locations by selecting precise latitude and longitude coordinates.

RC2 (also known as ARC2) is a symmetric-key block cipher designed by Ron Rivest in 1987. 'RC' stands for 'Rivest Cipher'.

LS47 Cipher is a slight improvement of the ElsieFour cipher as described by Alan Kaminsky. It use 7x7 characters instead of original (barely fitting) 6x6, to be able to encrypt some structured information. It also describe a simple key-expansion algorithm, because remembering passwords is popular.

ChaCha Cipher is a stream cipher designed by Daniel J. Bernstein. It is a variant of the Salsa stream cipher. Several parameterizations exist; 'ChaCha' may refer to the original construction, or to the variant as described in RFC-8439.