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only crop 72 DPI image To convert 300 DPI  No pixel changes

Explorer ,
Nov 09, 2021 Nov 09, 2021

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only crop 72 DPI image To convert 300 DPI  No pixel changes

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Actions and scripting

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Adobe Community Professional ,
Nov 09, 2021 Nov 09, 2021

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Moving thread to the Photoshop ecosystem forum from Using the Community

 

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Explorer ,
Nov 10, 2021 Nov 10, 2021

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auto identify Image  horizontal and vertical and crop

crop tool auto select width and height area and crop 

 crop 72 DPI image To convert 300 DPI  No pixel changes

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LEGEND ,
Nov 10, 2021 Nov 10, 2021

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I do not understand your question. 

What is the video showing?

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Adobe Community Professional ,
Nov 10, 2021 Nov 10, 2021

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There is no reason to try to do this with the crop tool. Just use 'Image Size', fill in 300 and uncheck the 'Resample' checkbox. You can record it in an action, so that next time you can do this with one click or one keystroke.

 

-- Johan W. Elzenga

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Adobe Community Professional ,
Nov 10, 2021 Nov 10, 2021

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Adobe Community Professional ,
Nov 11, 2021 Nov 11, 2021

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If you crop you delete image content.  You delete pixels.  If you resample to the original number of Pixels you  have a new computer generated image. All pixels are the results of interpolation. 

JJMack

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Explorer ,
Nov 13, 2021 Nov 13, 2021

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Sr Jjmack  

This is one but smaller problem

Capture last user performed action?

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Adobe Community Professional ,
Nov 13, 2021 Nov 13, 2021

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You need to learn how Photoshop works and understand digital image processing. Everything is not intuitive.  You need to know exactly what you want to do and know the what you want to do is possible.

 

"only crop 72 DPI image To convert 300 DPI  No pixel changes" 

 

is not in the possible realm.  Crop delete pixels.   72PPI  and 300PPI are printer settings it the Print Pixel Size.  Pixels have no size till there is a print pixel density setting. The Pixels do not change the size of the Pixels change. There is also interpolation/resampling  the number of pixels  an image has is changes at the expense of some image quality loss. Image Detail are either discarded or created by some computer algorithm.

JJMack

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Explorer ,
Nov 15, 2021 Nov 15, 2021

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 ok sir thanks for your advice

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Adobe Community Professional ,
Nov 16, 2021 Nov 16, 2021

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If you crop, you remove pixels. They are gone.

If your image starts out at 72ppi then it will normally still be 72ppi after you crop, but with a smaller number of pixels where you cropped them off and they were discarded.

If you want a 300ppi image, then you can't realistically make that from a 72ppi image [with decent quality] because a lot of pixels will have to be created. 

Go back to the original, don't make it 72ppi.

 

I hope this helps
neil barstow, colourmanagement net :: adobe forum volunteer
google me "neil barstow colourmanagement" for lots of free articles on colour management
[please only use the blue reply button at the top of the page, this maintains the original thread title and chronological order of posts]

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