nfc-jewel - Man Page

Jewel command line tool


nfc-jewel r|w DUMP


nfc-jewel is a Jewel tool that allows one to read or write a tag data to/from a DUMP file.

Jewel tag by Broadcom, previously Innovision, uses a binary Dump file to store data for all sectors.

Be cautious that some parts of a Jewel memory can be written only once and some parts are used as lock bits, so please read the tag documentation before experimenting too much!


r | w Perform read from ( r ) or write to ( w ) card.


JeWel Dump (JWD) used to write (card to JWD) or (JWD to card)


Please report any bugs on the libnfc issue tracker at:


libnfc is licensed under the GNU Lesser General Public License (LGPL), version 3.
libnfc-utils and libnfc-examples are covered by the the BSD 2-Clause license.


Roel Verdult <>,
Romuald Conty <>.

This manual page was written by Romuald Conty <>. It is licensed under the terms of the GNU GPL (version 2 or later).


Feb 02, 2014 libnfc NFC Utilities