Compatibility: OS X 10.7.4 or later 64 bit
Developer's Swiss Army Knife for Text.
TextLab allows you to format, clean, validate or transform JSON, XML, HTML, SQL and many other text transformations.
TextLab suggests what operations can be performed based on your input. For example, if you copy and paste JSON into the application, it suggests to validate and format that JSON.
Mac App Store: https://geo.itunes.apple.com/app/id1024903185
Supported operations: HTML, XML - Format - Validate & Clean up - XML to JSON - Strip HTML to keep only text and links - Save as HTML, XML - Save as escaped HTML, XML CSS - Format - Minimze - Export as Single web page JSON - Validate & Format - Clean JSON - JSON to XML - JSON to javascript - Save as JSON - Export as Single web page URL - Encode - Decode - Extract URL parameters into table CSV - Preview - Save as CSV - Export to Excel - Export with other delimiters SQL - Format - Export as Single web page Text - Upper case - Lower case - Capitalize - Camel case - Remove additional white spaces - Base 64 encode and decode - Keep Numbers Only - Unique values - Cryptographic hash functions: MD2, MD5, SHA1, SHA256, SHA384 and SHA512 Number - Mili-seconds to date - Integer to Binary - Integer to Hex - Integer to Octal - Base 64 encode and decode - Cryptographic hash functions: MD2, MD5, SHA1, SHA256, SHA384 and SHA512 
TO MAC USERS: If RAR password doesn't work, use this archive program:
RAR Expander 0.8.5 Beta 4 and extract password protected files without error.
TO WIN USERS: If RAR password doesn't work, use this archive program:
Latest Winrar and extract password protected files without error.
