Online Tools

Alphanumeric Translators and Converters

 * binary translator : convert binary < = > english
 * decimal to sexagesimal : base10 to base60 conversion
 * morse code translator : translate to and from morse code
 * audio morse code translator : translate to morse code with sound
 * morse code solver : alternative morse solver
 * number base converter : convert a number from any base to any other
 * base64 converter: encode and decode base64

Code Charts

 * ASCII chart : decimal, hex, and octal ASCII chart
 * morse code and phonetic alphabets
 * braille alphabet & braille numbers

Conversions

 * convert it!: math conversions and search engine
 * mega converter 2 : tons of conversions
 * online conversion : convert just about anything to anything else

Directories

 * DNS Stuff : lookups for Whois, abuse records, spam database, reverse DNS, IPWhois, geographical IP, DNS, and CIDR/Netmask; traceroute, ping, URL deobfuscator, and decimal IP convertor
 * DNS lookup : search Whois records
 * multiple keyword whois : search Whois records with multiple keywords
 * area codes : area code listing
 * postal codes : find postal codes for SA addresses, all postal codes for a city or town, all cities and towns.

Encryption

 * CipherClerk's applet: encryption/decryption applet
 * ROT-X: rotate text through all alphabet rotations from 1 through 26 simultaneously
 * Vigenere decoder: online decoder for this early cipher
 * file vault : self-contained, single-use file encryption
 * HTML Lock : to view the source code of web pages encrypted using HTML Lock, save the page locally and add this text to the source code in the "body onload" tag and reload the page locally: alert(document.all[0].innerHTML)

Location

 * maps : mapping and driving directionsP
 * global lat/long : global latitude/longitude finder
 * confluences : photo database for latitude/longitude integer degree intersections
 * time zones : global time zones reference

Search Engines

 * Google

Steganography [?]

 * camouflage
 * jphide
 * camera/shy : the only steganographic tool that automatically scans for and delivers decrypted content straight from the Web

Wordsmithy

 * anagram finder
 * google translate : translate words and web pages