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How can I change the DPI of a JPG file, also determine if it is using sRGB?

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Last Modified: 2017-12-01
Hi Experts,

I am readying a Logo to be registered as a trademark.

Currently my JPG file is 72 dpi - I need to change it to 300 dpi.
I don't have any commercial graphics software such as Photoshop.

The colour space needs to be sRGB - I don't know how to confirm that.

I've attached my file.

Regards,
Leigh
Pavement-Science-Trademark---Draft-1.jpg
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Business Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018
Commented:
You can get Gimp for Windows

https://www.gimp.org/downloads/

and then open the file and save in a different resolution.

Doing this will permit testing a variety of resolutions if you need to.
Dave BaldwinFixer of Problems
CERTIFIED EXPERT
Most Valuable Expert 2014

Commented:
I second the GIMP suggestion.  However, changing the DPI of an image doesn't change anything else unless it is resized.  DPI is generally just a label.  The actual pixel dimensions are used for most applications, especially in web browsers.

Author

Commented:
Thanks, John.

Regards,
Leigh
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
You are very welcome and I was happy to help

Author

Commented:
Thanks, Dave, too.

Sorry, I did not see your reply until after I had accepted John's solution.

Regards,
Leigh

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