Japplis Toolbox is a utility toolbox for developers.

• URL encoding and decoding
• Base64 encoding and decoding
• Hex encoding and decoding
• Convertion of numbers in hexadecimal and binary
• Sort lines, Reverse lines, Shuffle lines, Number lines, Delete duplicate lines, Trim spaces, Remove empty lines, Delete 1 out of 2 lines
• Extract words
• Join lines
• Add text before or after each lines (Prefix or Suffix)
• Keep / remove / find regular expressions
• Convert long to date, long to date
• Text info: character count, word count, MD5, SHA, Hash code
• XML Validate
• Get Java system properties, Swing UI defaults, Environment properties
• List the characters with the defined font and charset encoding
• Works on Windows, Mac OS X, Linux
• You can run it online here