ARJ is an archive format which provides high-efficiency compressed file archives. It was a mainstream archive used for DOS and Windows during the early and mid-90s.
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.
+200 Formats Supported
CloudConvert is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.
Besides using open source software under the hood, we’ve partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.
Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the CloudConvert API.