Express Burn is a free cd burning program for Mac OS X that lets you create and record audio and data CDs. With Express Burn you can record a data or audio discs quickly and easily by dragging the files you want onto the icon and clicking Burn CD. The software then does the rest, including converting the files if required. Express Burn is also the fastest CD/DVD writing program in the world using proprietary optimizing systems.We make Express Burn free in the hope you will like it so much you will decide to upgrade to Express Burn Plus. Burn Plus includes the ability to burn Data DVDs, HD-DVDs and Blu-ray Discs. It has advanced features like the ability to create and record ISO images and support for many more file formats (the basic version only supports wav and mp3 for audio discs).Features~ Data CDs (perfect for backup) ~ Audio CDs (for traditional CD player) ~ Mp3 CDs (larger capacity alternative to audio cds) ~ Data DVDs (4.5GB+ plus version only) ~ Blu-Ray discs (25GB+ plus version only). Records CD Recordable (CDR) and CD Re-recordable (CDRW) discs. Supports multisession CD recording.Express Burn Plus can burn ISO compliant data DVDs and Blue-ray discs (DVD-R, DVD-RW, DVD+R, DVD+RW, BD-R, BD-RE, BD-R DL, BD-RE DL). Can seamlessly burn audio CDs with no pause between tracks. Support Joliet and CDA formats. Audio CDs are recorded with direct digital recording (so perfect audio quality is maintained). Supports burning of wav, mp3, wma, au, aiff, ra, ogg, flac, aac and a number of other audio file formats. Data CDs are fully ISO compliant with Joliet extension. Includes command line operation for automation and integration with other programs.