This tool converts text to ASCII codes and vise versa. It also has the side-effect of converting larger numbers between binary, decimal, and hexadecimal. Remember to leave a space or colon (:) between the numbers that represent each character. (i.e., group binary and hex numbers into groups of 8 and 2, respectively.)
This tool converts text to Base64 and vise versa.
This tool decodes a string of QR alphanumeric bits.
This tool performs bitwise XOR of two strings of 1s and 0s, ignoring spaces.
This tool decodes and encodes the timestamp portion of Mongo database IDs.