Here are a couple of tools to convert various CD-images to the ISO format (Instant Copy, CDRWin, Alcohol 120%, CloneCD, BlindWrite and DiscJuggler).

b5i2iso, bin2iso, ccd2iso, cdi2iso, mdf2iso and pdi2iso.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 6139    6139 100.0% -lh0- 1b63 Oct 11 16:32 b5i2iso.lha
[generic]                 6531    6531 100.0% -lh0- 0796 Oct 11 16:24 bin2iso.lha
[generic]                 7153    7153 100.0% -lh0- 253d Oct 11 16:35 ccd2iso.lha
[generic]                 6768    6768 100.0% -lh0- 224c Oct 11 16:36 cdi2iso.lha
[generic]                13778   13778 100.0% -lh0- 8f72 Oct 11 16:39 mdf2iso.lha
[generic]                11409   11409 100.0% -lh0- afe5 Oct 11 16:40 pdi2iso.lha
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         6 files   51778   51778 100.0%            Oct 13 02:49