RAR is an archive file format that can compress data files similar to ZIP. It can be created with WinRAR software. But it is not an open source archive file. Using Huffman encoding RAR file uses lossless file compression technique to compress large amount of files.
7z is an archive format which was introduced 1999 with the 7-Zip open source file archiver. 7z is a container format which supports a variety of compression and encryption algorithms. Some examples are: bzip2, LZMA2 and LZMA.
CloudConvert supports the conversion between more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats. Check the supported formats for more details.
There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Don't worry, your files are safe and only you can access them. They will be deleted again as soon as your conversion is finished.
Most conversion types support advanced options, for example setting the codecs of audio/video files. Also, we support batch converting and folder monitoring!
The CloudConvert API offers the full functionality of CloudConvert and makes it possible to use the conversion services in your own applications.