file format is a vector graphics format associated with a widely popular advanced graphics editing program: Corel Draw. CDR is also compatible with a few other programs from the Windows, Mac OS and Linux platforms. Used primarily for creating and editing digital graphics, CDR files tend to be very large in size. (Adobe Illustrator Artwork) is a proprietary format used by Adobe Illustrator to create vector-based drawings. Though highly popular among graphic designer due to its ability to offer the possibility of creating and editing vector-based drawings. AI files can prove to be incompatible with most image viewers. For this reason, designers usually prefer to convert them to a more accessible format after finalizing the drawing. The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. Although it is fast, this software is extremely efficient in managing a wide range of conversions. As you will soon realize, reaConverter will help you avoid spending countless hours trying to figure out how to convert CDRs. But at the same time, it will allow you to apply a wide range of reaConverter is quick to download, install and launch, and you don't need to be an IT specialist in order to understand in a few minutes how it operates. Start reaConverter and load all the .cdr files you intend to convert into .ai because, as opposed to most free online converters, reaConverter supports batch conversion. So you can save the time and energy you would lose with doing repetitive operations. tab and decide where you want to save new .ai files. You can also spend a few more moments to apply additional editing to the images prepared for conversion. as output format. To help you do this, a series of buttons is conveniently placed at the bottom of the reaConverter window, so you can simply press on the one you need or click Highly efficient batch CDR to AI converter that makes it easy to handle huge number of files and folders in a few simple operations. Source.