The Amazon Kindle supports three main document types: Kindle (.AZW, .AZW1), Text (.TXT) and Unprotected Mobipocket (.MOBI, .PRC). Second-generation Kindles also have a built-in PDF reader and support ...

Anyone who uses free online services to convert text files, for example, can catch malware. The FBI points this out. Online file converters are practical and convert a .doc file into a PDF document, ...