Econv,a simple program to convert numbers from/to HEX DEC BIN.
Written in E (Thank's Wouter!),source included.

It's totally free.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  300     705  42.6% -lh5- fd99 Feb 10  1998 Econv.info
[generic]                 1230    1780  69.1% -lh5- 310e Feb 10  1998 Econv/econv
[generic]                 1263    2464  51.3% -lh5- 6629 Feb 10  1998 Econv/Econv.e
[generic]                  320    1188  26.9% -lh5- 9c1f Feb 10  1998 Econv/Econv.e.info
[generic]                  219     291  75.3% -lh5- 5ca5 Feb 10  1998 Econv/Econv.readme
[generic]                  431    1288  33.5% -lh5- 6536 Feb 10  1998 Econv/Econv.readme.info
[generic]                  653    1245  52.4% -lh5- c4d8 Feb  9  1998 Econv/Econv_ENG.doc
[generic]                  446     976  45.7% -lh5- f89c Feb 10  1998 Econv/Econv_ENG.doc.info
[generic]                  965    1827  52.8% -lh5- c8a1 Feb 10  1998 Econv/Econv_ITA.doc
[generic]                  442     976  45.3% -lh5- bc5b Feb 10  1998 Econv/Econv_ITA.doc.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        10 files    6269   12740  49.2%            Feb 12  1998