Burnatonce can master data and audio discs, read/write image files, and copy on-the-fly. It's drag-and-drop interface has multi-language support and is fully compatible with XP themes. Multisession and bootable disc mastering is supported as well as long filename support using Joliet, Long Joliet, and Rockridge. Extra long filename support is provided with the ISO9660:1999 and UDF filesystems. Audio discs can be compiled from WAV, MP3, MP2, OGG, and FLAC files as standard while support for other audio formats can be added optionally. CD-Text can be written from the built-in editor, imported from freedb, read from media tags, or extracted from filenames. Pauses between tracks can also be set as silence, pregap, or postgap of varying lengths.