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UriDavid
Known Participant
March 27, 2018
Question

CS6 resolution issues while saving PSD as PNG

  • March 27, 2018
  • 4 replies
  • 971 views

On PS CS6 a psd file has 4500X5400 pix and 300 ppi. when saving to PNG and reading the file the 4500X5400 remain ok but the PPI changed to 299.999.

this happened suddenly, since i could save PNG in 300PPI in the past.

anything might changed in photoshop parameters/preferences/scripting fils???? any ideas???

please help i need my files to be save as 300 PPI for my work.

Thanks

This topic has been closed for replies.

4 replies

T
Test Screen Name
Legend
March 28, 2018

No, nothing is messed up. I asked, did you actually try your service (that supposedly will reject your PNG)?

T
Test Screen Name
Legend
March 28, 2018

Have you actually tried your service?

T
Test Screen Name
Legend
March 28, 2018

Just normal rounding. Ppi isn’t exact in PNG because it’s metric. Try not to worry.

U
UriDavidAuthor
Known Participant
March 28, 2018

My problem is that i post my work to a service that reject anything that is not 300 ppi.

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
March 28, 2018

Quite honestly this makes little sense and these people can't know what they're asking for. What they should be asking for is minimum pixel dimensions. That's the only meaningful parameter.

That a print has to be 300 ppi is just a myth, maintained by people who don't know what it means. 300 ppi is a theoretical upper limit for offset print, beyond which no improvement is technically possible (if printed with a standard 150LPI screen). But that doesn't mean you can see any difference between 300 and 290.

It doesn't apply for inkjet. Each inkjet printer has its own optimal resolution - in Epson it's usually 360 ppi.

Anyway - PNG being metric means they will probably never get a PNG that is exactly 300.

JJMack
Community Expert
JJMackCommunity Expert
Community Expert
March 28, 2018

Have you tried using Image size with resample NOT check set 300 DPI print resolution click OK.  The number of pixels will not change if yoy do not resample. Record an action set 300 dpi.

JJMack
U
UriDavidAuthor
Known Participant
March 28, 2018

Yes, i did try to uncheck the resample, did not help.

this issue happen suddenly and my guess is that something what wrong with photoshop. i read that scripting may be changed

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