PNG in 300 dpi?

New Here ,
Oct 07, 2018 Oct 07, 2018

Copy link to clipboard

Copied

Hi

I shoot RAW. When I open the file in PS it is 300 dpi.

I need to convert to PNG 300 dpi.

When I use the "export as"  I get PNG automatically 72 dpi.

Also when I use the "fast export as" it becomes 72 dpi.

How to get a PNG in 300 dpi?

Thanks Carsten

Views

9.9K

Likes

Translate

Translate

Report

Report
Community Guidelines
Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
community guidelines

correct answers 1 Correct Answer

Adobe Community Professional , Oct 08, 2018 Oct 08, 2018
File > Save As > PNG  It should preserve the 300 ppi metadata.Also the Legacy File > Export > Save for Web will do the same if you set the Metadata to "All".The Quick Export functions does not preserve the original ppi metadata and so the image defaults to 72.

Likes

Translate

Translate
LEGEND ,
Feb 23, 2021 Feb 23, 2021

Copy link to clipboard

Copied

LATEST

Olga, I've looked at your screen shots, and I think I see the problem. Save as ... PNG will save transparency automatically but your file has no transparency. Your screen shot shows it has a white background. White is different to transparent.

 

So, is your question, how do I make my white colour transparent? This is not obvious. What I do:

* change the name of the layer so it is not Background (this is vital)

* select all the white that I want to be transparent (be careful not to select areas that you want to be white!)

* cut (Ctrl+X)

* you should now see a "checker board" for the transparent.

Likes

Translate

Translate

Report

Report
Community Guidelines
Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
community guidelines
Adobe Community Professional ,
Feb 23, 2021 Feb 23, 2021

Copy link to clipboard

Copied

In case you missed it earlier in the topic thread...

 

You can't save in DPI (dots per inch), raster files are expressed in pixels, not dots, so that is PPI.

 

There is no such thing as a 300 ppi PNG as the official PNG specification works in PPM or pixels per metre.

 

A PNG with a metadata value of 11811 ppm (pixels per metre) rounds up to and is commonly displayed as 300 ppi to conform with common/traditional user expectations.

 

11811 ppm  / 100 = 118.11 ppcm x 2.54 cm (metric to inch) = 299.9994 ppi rounded up to 300 ppi.

 

Another recent topic that explored these issues:

 

https://community.adobe.com/t5/photoshop/photoshop-displays-image-dpi-as-a-different-number-than-pre...

 

Likes

Translate

Translate

Report

Report
Community Guidelines
Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
community guidelines
Adobe Community Professional ,
Feb 23, 2021 Feb 23, 2021

Copy link to clipboard

Copied

...and Export strips resolution metadata altogether. Coming out of Export, the file does not have a ppi value at all - not 72, not 300, nothing.

 

The 72 number appears as a default when you reopen into Photoshop (because PS needs a ppi number, any number, for other reasons).

 

It doesn't really matter. If you need it, you can assign any ppi number you want later on (for printing purposes, or to define font sizes).

 

Likes

Translate

Translate

Report

Report
Community Guidelines
Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
community guidelines