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Looking for Windows command line utility (or .NET lib) to change EXIF information on .JPG files

Posted on 2016-09-30
Medium Priority
Last Modified: 2016-10-19
My Olympus camera produces images with EXIF tags "Subject" and "Title" set to "OLYMPUS DIGITAL CAMERA".

I want to be able to change these using a command line utility that I can call from an application I have written that manages certain aspects of my photo collection. Since my application is written in .NET, I'd also be willing to look at using a third-party library that would allow me to change EXIF tags.

I deal with OLYMPUS .ORF files, Canon .CR2 files and of course, .JPG on Windows 10.

Is there an obvious choice as to what tool I should use? I subscribe to Adobe Creative Cloud. Perhaps they have a tool that I could use?
Question by:ou81aswell
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LVL 55

Accepted Solution

Joe Winograd, EE MVE 2015&2016 earned 1000 total points (awarded by participants)
ID: 41823584
Should be relatively easy to write a program/script that calls Phil Harvey's amazing ExifTool:

I've used AutoHotkey to call it but your .NET app can certainly call it (any language is fine as long as it can call a command line executable).

Btw, all EXIF tags are listed here:

Regards, Joe
LVL 34

Assisted Solution

it_saige earned 1000 total points (awarded by participants)
ID: 41823586
If you are looking for a utility, then this might suite your needs:

I have no personal experience with them but they support the formats specifies as well as a command-line interface (you could probably contact their support to see if they have an API as well).

LVL 55

Assisted Solution

by:Joe Winograd, EE MVE 2015&2016
Joe Winograd, EE MVE 2015&2016 earned 1000 total points (awarded by participants)
ID: 41823854
> I deal with OLYMPUS .ORF files, Canon .CR2 files and of course, .JPG on Windows 10.

I should have mentioned in my first post that ExifTool has read/write support for ORF, CR2, and, of course, JPG. Doc says that it "Runs on all versions of Windows" and I can confirm that it runs on W10/64-bit. Regards, Joe
LVL 55

Expert Comment

by:Joe Winograd, EE MVE 2015&2016
ID: 41849726
Selected posts answer the question. Giving the two experts who participated an even split on points.

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