Format Identification for Digital Objects (FIDO)

Format Identification for Digital Objects (fido).
FIDO is a command-line tool to identify the file formats of digital objects.
It is designed for simple integration into automated work-flows.

License information

FIDO is distributed under the Apache 2 license.
See the project file “LICENSE.txt” for information on the history of this
software, terms & conditions for usage, and a DISCLAIMER OF ALL WARRANTIES…

Download and resources

Download from the FIDO GitHub Project release page.
Read the usage guide on the FIDO OPF Wiki page.


Author: Adam Farquhar (BL), 2010
Maintainer: Maurice de Rooij (OPF/NANETH), 2011, 2012, 2013
FIDO uses the UK National Archives (TNA) PRONOM File Format and Container descriptions.
PRONOM is available from