Converter365.com is a universal online tool for the conversion of a multitude of different formats that is also completely free of charge. To find the format you need, you can search nine categories Image, Vector, Video, Audio, Documents, Archive, Spreadsheet, Presentation, and E-Book.
File Converter - Convert & compress everything in 2 clicks!
Visily - The easiest and most powerful wireframe software for agile teams.
CR2toGPGconverter - If you need to open, edit or print the images from your Canon DSLR that are in CR2 format, you’ll have to convert them in JPG or some more accessible image format.
Learn SpriteKit by Design+Code - Make a platformer iPhone game from scratch in Swift 4.
Smallpdf - PDF document management and conversion suite
Bootsketch - Ship products instead of renaming layer groups