MSGConvert: A .MSG to mime/mbox converter
CloudConvert - convert anything to anything
convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.
Unix Timestamp Converter
This tool will convert a UNIX timestamp to a readable format.
ImageMagick Batch Convert: Mogrify
Convert, Edit, or Compose Bitmap Images
VectorMagic
Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!