Coder's Toolbox: Online tool to exchange between string (base64, XML, URL, UTF-8), number (binary, octal, hexidecimal), time (Unix timestamp, ISO8601 and RFC 2822) and network formats (netmasks).
Convee: Online tool converts between languages, currencies, document, image and spreadsheet formats, also offering SMS and fax transmission based on free services.
Converting Text Files Between Operating Systems: How to transfer text files between Linux, Macintosh, and Microsoft Windows operating systems, relating to line feed and carriage return characters.
Creativyst CSV to XML Conversion: On-line conversion of Comma Separated Values (CSV) to XML tool.
Data and Format Conversion: Introduction to data and format conversion.
iConv Online File Format and Data Conversion: Commonly used file format and data conversions online.