Web Tools: ASCII, B64Converter, B64Image, Crontab, JSON, KeyCodes, Recoder, Regexer, TDiff, UTime, WCount, XML.

Encoding

TextCopy
AsciiCopy Swap
Base64Copy Swap
BinaryCopy Swap
OctalCopy Swap
DecimalCopy Swap
HexdecimalCopy Swap

Hashing

Encryption

TextCopy
ROT13Copy Swap
AtbashCopy Swap
AffineCopy Swap

Transform

TextCopy
ReverseCopy Swap
LowercaseCopy Swap
TitlecaseCopy Swap
UppercaseCopy Swap

Source