Browse Tools

ROT-N Cryptography The ROT-cipher, also commonly referred to as the Caesar-cipher, is based on the idea of ofsetting every letter of the alphabet by a certain amount, i.e. A => +13 => N Use ROT-N

Base64 Encodings Base64-encoding is commonly used for storing arbitrary binary data in pure strings, by mapping it to 64 ASCII characters. Use Base64

Linux File-Permissions Encodings Linux (or other UNIX-ish systems) use 4 groups of 3 bits to represent basic file permissions. The first group sets the flags set UID, set GID, and sticky. The last three groups set the file-permissions for the owner user, the owner group, and everyone else in that order. Here the 3 bits stand for read, write, and execute. On directories execute stands for open / navigate into. Use Linux File-Permissions

URL-Encoding Encodings Encode and decode strings to and from URL-encoding (or Percent-encoding). Use URL-Encoding

IPv4 Subnetter Networking The IPv4 subnetter visualizes IPv4 subnets and calculates the first and last address from a CIDR-notated subnet. Use IPv4 Subnetter

Base Converter Numbers Convert between decimal, binary, octal and hexadecimal numbers. Use Base Converter