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EssieP1590
EssieP1590
Participant
February 3, 2020
Question

DPI Issues

  • February 3, 2020
  • 2 replies
  • 509 views

Hello,

I created a text based logo in Illustrator for a client and sent it to them in PNG format and JPG format. When he tries to upload into his email signature it comes out looking a little blurry. The logo I had previously made for him never had this problem and when you open it up to look at its properties, it says that the horizontal and vertical resolution is 1000 dpi (on the former logo). 

 

I exported the new one at the highest resolution and even tried opening it up in Photoshop and changing the resolution, but no matter what I do, it still says that the resolution is 96 dpi in the properties. Does anyone know what I'm doing wrong here?

 

help PLEASE!!!

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2 replies

maxwithdax
Community Expert
maxwithdaxCommunity Expert
Community Expert
February 3, 2020

All screens are 72dpi. That is how screens work. If you are generating an email signature, your best bet is to know exactly how many pixels wide and tall is needed. Typically my email signatures are between 150 and 300px. The goal is NOT to resize the image in your email program. The goal is to have a 1:1 ratio so that no unncessary compression is taking place. Find out what size it is in his signature. Screenshot and Crop in Photoshop to get an idea if you need to. Then export a PNG that specific pixel size from AI. This will give you the cleanest result without tons of compression.

- Dax

 

C
chrisl41501719
Participating Frequently
February 3, 2020

By saving as a Jpeg or PNG you are convertimg the Vector information (mathmatic algorythms) to raster (screen resolution). 

 

To save it as a vector, use pdf, (tiff and eps work also but are going the way of the Dodo).

 

PDF saves 2 versions of the art:

1. The screen version (raster) - everything must fit into a pixel - meaning the size will change slightly because it needs to fill a pixel or not.

2. The print version (vector art) - all smart objects stay as vectors.

 

If this doesn't make sense, then you will need to research the differences between Raster and Vector images and how they work.

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