[Tutor] Anyone know of a window utility to reverse engineer unknown binary graphic file format?

Liam Clarke cyresse at gmail.com
Sun Mar 6 00:11:45 CET 2005

Slightly OT, but I'd recommend Irfanview, a wonderful piece of
freeware. If it can't open it, it's probably not in a standard
graphics file format.

On Sat, 5 Mar 2005 14:31:50 -0800 (PST), Danny Yoo
<dyoo at hkn.eecs.berkeley.edu> wrote:
> On Sat, 5 Mar 2005, R. Alan Monroe wrote:
> > I have some graphics files from an old DOS game that I want to convert
> > to a normal .png or whatever. Anyone know of a program that can load
> > binary data and view it multiple different ways? Like treating the raw
> > data as 1 bit, 4 bit, 8 bit, planar, linear, adjust the pitch and
> > offset, etc. in some kind of GUI until you get a recognizable image?
> Hi Alan,
> A lot of image types contain a recognizable header that you might be able
> to use.  Python comes with a library that tries its best to recognize
> certain image file types:
>     http://www.python.org/doc/lib/module-imghdr.html
> You may want to do a quick check with imghdr to see if it's something
> standard that 'imghdr' can recognize.  Another possibility is to use the
> 'file' Unix utility, which also recognizes a surprising variety of file
> formats.
> Otherwise, I'm out of ideas at the moment.  *grin* You may want to ask
> your question on comp.lang.python, since it is slightly unusual to get a
> file and have to infer the file type.
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