Questions about the output resolution of a print device. `dpi` refers to dots of ink on a printed page and thus to a property of a printer or other printing device. The term is often used in error, in place of `ppi` (pixels per inch), which is a property of an image file or a display device.

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3
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3answers
1k views

How to change Adobe Illustrator CC's pixel to inch ratio?

We all know today the devices have different ppi. Traditionally a pixel is a point, which is 1/72 an inch. But today, iPhones have 326 pixel per inch why the point should remain the same for ...
14
votes
5answers
39k views

What is the difference between DPI (dots per inch) and PPI (pixels per inch)?

There are lots of other questions on Graphic Design which partly cover this, e.g. What DPI should be used for what situations?. However, I have become frustrated at the number of questions and ...
4
votes
1answer
58 views

PPI in the Wild: implications of setting or providing a PPI flag in an image file

Apropos the perennial retina vs PPI questions: We have an answer to a recent question about setting up an image which, in my opinion, correctly states: "pixels are all that matter." But I have dealt, ...
0
votes
2answers
48 views

Designing for Retina display in PPI or DPI?

As for designing for retina do I.... set up the image canvas to be the true size to my display device, say iPad screen size (not resolution size) Dimension size. Then set my dpi to 72....? Is DPI 72 ...
1
vote
2answers
75 views

Designing icons for devices with different PPI

I'm having some problems on the icon PPI. For example, when I make an icon for an iPhone 6 application I know that the icon will be 326 PPI. But if I do a 256x256 px icon that can be used on iPhone, ...
1
vote
1answer
227 views

Scaling image to suit 480dpi Android screen(xxhdpi)

I am newbie designer. Have designed the screens for an android app using illustrator and measurements are in pixels. My developers have asked me to provide the images @480DPI. My online research did ...
0
votes
0answers
20 views

Can someone explain more about DPI PPI and LPI [duplicate]

I want more knowledge , i have a fairly reasonable understanding of photoshop, and beginning to learn more about illustrator but could you explain it to me and what the importance of it is, i tend to ...
1
vote
5answers
635 views

Will increasing the dpi of my image (without re-sampling) hurt print quality?

I'd like to start making prints, but all of my work is set at a resolution of 72. Are there any negative effects to increasing the resolution to 300? I'm very new to this, but from what I've read so ...
0
votes
1answer
53 views

Changing dpi without changing size

I have tiff. files that are 72dpi. In order to put them into my book for publication they have to be 300dpi. How do I increase the dpi without changing the size of the image. When I go to PhotoShop ...
3
votes
1answer
44 views

Stochastic Printing DPI?

Does anyone know the DPI for the stochastic screening? We got a new Heidelberg CTP Suprasetter and we're just testing... and the results are amazing... but the resolution that we're working on are ...
1
vote
2answers
73 views

High resolution pictures in Posters made with PowerPoint 2013

I'm currently creating a poster (size A0) in PowerPoint 2013 and want it to be in the best quality possible. I used vector images where possible, but for some images I had to use raster graphics. Now ...
2
votes
2answers
17k views

What resolution do I need for images placed in InDesign?

I am creating a A4 Print PDF file from InDesign. From the InDesign file I am doing the following : File > Adobe PDF presets > [High Quality Print] Doing this exports a PDF file from InDesign pretty ...
2
votes
1answer
63 views

Can you include retina and non-retina images within the same sprite?

When building a web page, I've always created 2 different sprites for my icons. A sprite for normal images and a sprite for retina images. The retina images are saved out twice the size and twice the ...
6
votes
3answers
11k views

How to see an embedded image's dpi (ppi) in a pdf in Acrobat Pro?

The following situation baffled me slightly: after preparing a pdf in a different program I wanted to make sure that an embeded image in the pdf file had the right dpi, yet I found no way in adobe ...
0
votes
2answers
11k views

How can I set my document in Illustrator to 700dpi?

I am using Illustrator CC and I need to create a large image document 85cm X 200cm, but the printing guy is asking me this document to be in 700dpi. How can I set, emulate or create this within ...
0
votes
1answer
93 views

How to set up iPhone screen grid in CorelDraw

I use CorelDraw for creating wireframe layouts for iOS app UI. For this I need to set up a rectangle as following, to act as screen boundary: Size in pixels: 640 x 1136px Size when unit changed to ...
0
votes
3answers
104 views

If I double the size of the image and at the same time halve the DPI setting, does the quality stay the same?

I know this is very likely been asked before, but I don't know if it's the words or phrases I'm using or what but I can't find it. If it was resolved before, please just point me in the right ...
0
votes
0answers
27 views

Responsive Images in Practice: @2x images [duplicate]

Are @2x images simply larger in terms of height and width or do they actually have a higher PPI (pixel density)? Trying to figure out my workflow for creating retina (@2x images) and this affects how ...
2
votes
2answers
506 views

What is the highest possible print resolution in book publishing?

I want to publish an art book with a major publisher. I need to finish my artwork and then approach publishers, so I cannot ask for printer specifications beforehand. My art is digital, and I want to ...
20
votes
5answers
55k views

is it mandatory to keep 72 dpi for web design? What if I create in 200dpi?

I have been designing web banners in photoshop for more than a year but never considered the DPI. I was using the default 72DPI, but now I want to know is it necessary to create web designs in 72DPI? ...
2
votes
3answers
1k views

Which Photoshop features are affected by different DPI or PPI tags?

A Photoshop document‘s physical size, pixel density (DPI/PPI) and pixel dimensions are all linked. Bitmap images contain bitmap data, which are a specific size (pixel dimensions). They also contain a ...
0
votes
1answer
91 views

Adobe photoshop: Low DPI in color images but good in black and white

I have problem with printing from Adobe photoshop. When I try to print some colour or grayscale image, the DPI on the paper is very bad, but when I convert the same image into black & white mode, ...
2
votes
1answer
90 views

Should I get poster printing for higher resolution than 5400 x 3600 for 36“ x 24”?

The highest "common" resolution I've seen for printing a poster is 5400 x 3600 for the reasonable price of (~$15), but I have the ability to make the images I want to print (procedurally generated) as ...
0
votes
2answers
30 views

back lit banner DPI question [duplicate]

I need to have a banner printed for a back lit header on a shelving unit in a retail store with the following dimensions 2’-11" x 1’-0", how many DPI would you recommend printing at? Thanks in ...
0
votes
1answer
47 views

Image resize for printing

Can I resize an image with 21cm x 42cm and 1200 DPIs to 24cm x 48cm and 400 DPIs without quality loss? The reason being is that my scanner max size is 21cm x 42cm and 1200 DPIs. And I need to make an ...
0
votes
4answers
3k views

How set my Illustrator document to be 150 dpi?

I am creating something for print that will be 160.472"w x 89.764"h. I'm not sure where to set these dimensions in Illustrator and set the dpi.
0
votes
0answers
24 views

Can the size of a pixel and a dot be changed? [duplicate]

[Before anyone points it out, I've already read the answer to this question, and it was only after I read that, that I wonderd about my current question. So it's not a duplicate!] I'm trying to ...
1
vote
0answers
29 views

Designing 3 Billboards

So I have to design 3 billboards and this is pretty much my first time doing it where it goes to print. I'm used to designing small scale stuff so this task is a bit daunting. I would just like to ...
0
votes
0answers
179 views

PDF export from InDesign unwanted image downsampling despite settings

I am exporting an 8.5x11 inch PDF at 300 dpi. I've placed a 2588x3375 pixel image at full page size. InDesign shows the image as 300 dpi. All setting in PDF profile say 300dpi and I print as PDF. ...
0
votes
1answer
71 views

Raster Graphics [duplicate]

How is resolution connected to ppi and dpi units? In the context of editing photos, resolution is a measurement of the output quality of an image. DPI and PPI because that is what you will be dealing ...
3
votes
3answers
9k views

Illustrator: View -> Actual Size smaller than life size

I'm using Illustrator CS6 on OS X. When choosing View -> Actual Size, the displayed elements are smaller on the screen than their actual size, say in centimetres. How can I "calibrate" Illustrator ...
13
votes
1answer
4k views

I need to print an image a certain size. What dimensions and resolutions should I use?

(This question is meant to be a resource to direct others to given that this is a common question.) Given the task of creating an image that will be printed at a certain dimension, what pixel ...
3
votes
2answers
1k views

How to raster vectors (AI) into 1bit tif in 2000dpi

I need to raster files 1m x 0,70m to 1-bit TIFF. Pretty much home RIPing. AI CS 5.5 only goes until aprox. 500dpi and PS renders vector-PDFs or AIs in 406 dpi max. Then you have to resize x5 to get ...
5
votes
2answers
2k views

How would you print extremely small words (microprinting)

The Problem: I am working on a project and I wanted to add super fine print (words and graphics). When I say small I am not referring to 7pt type at 300dpi business card small. I am referring to ...
4
votes
1answer
477 views

What's the best way to make a pdf book cover for Create Space?

I downloaded a paper back book cover template from Create Space and loaded it up into Inkscape (and used GIMP to crop the background images to fit the template). What steps should I take, and what ...
3
votes
4answers
45k views

Creating large-scale high-resolution documents in Photoshop

I am a student trying to create collages in Photoshop sized* 4' x 4' and larger, resolution 300dpi, to be digitally printed on cotton canvas and silk. The enormous file size causes my iMac to lag or ...
1
vote
0answers
41 views

What is the proper sizing/image/resolution or whatever for shooting artwork for submission? [duplicate]

I create colored pencil art and I'm very confused about the whole thing of resolution: A professional print provider is doing the photo shoot of my artwork, and I was just handed an image that is 72 ...
4
votes
2answers
2k views

Batch resize and OUTPUT multiple images

I need to batch resize multiple images and thats really easy in Photoshop insert a folder and get a output in anther folder. But i need this to output multiple images of all the images inside the ...
3
votes
2answers
232 views

Measuring minimum resolution in Photoshop/GIMP

I am following Apple's iTunes connect guide (as of today 13th November 2013) for designing an image. At page 239 of their guide I am confused on the following: Background artwork must be at least ...
-1
votes
3answers
927 views

How big should Photoshop canvas be? (Maintaining scalability)

I usually design in Illustrator, which appears to be vector so I don't really care about the .ai size, scaling wouldn't be a problem, but Photoshop uses Bitmap and scaling can mess up the image ...
1
vote
1answer
532 views

Is there a way for Lightroom to export without changing the ppi?

Currently I am creating .psd images "to scale" by changing the ppi so that 1mm = 1mm. This way I can drop the image in InDesign and it will print at the actual size. I cannot however find a way for ...
3
votes
1answer
102 views

How to view a unitless raster image at 1:1 given a desired print size?

I want to preview a map that I'm generating before sending it off to the (expensive) printer. Unfortunately, the tool used to make it (TileMill) has no concept of paper sizes, DPI or any units. It ...
2
votes
1answer
981 views

Vectors or 300 dpi TIFFs for printing?

I have worked with CreateSpace before and used AI vector images on the cover and interior PDF of a book, but the images all printed pixelated. After complaining, CreateSpace told me to only use 300 ...
0
votes
1answer
738 views

Standard pixel density for print? [duplicate]

I have to design a flyer for half of an 81/2 x 11 page. It mostly has images but some text. And I'm designing it in GIMP. Is there an industry standard dpi for simple prints? It's not magazine ...
0
votes
1answer
307 views

What should image size in px be for A0 with a Canon iPF8300

I am producing an A0 poster. I have been told that the printer is a Canon iPF8300. The spec says; Maximum Print Resolution 2,400 x 1,200 dpi Nozzle Pitch 1200 dpi x 2 I'm not sure what ...
1
vote
1answer
3k views

Best dpi for printing a 48x18 inch at 200%?

I have an image in photoshop I want to print at 200%, and right now it's 48x18 inches, and the resolution is 72 dpi. I read somewhere that changing it to 600dpi would allow me to scale it by 200% at ...
2
votes
2answers
1k views

Saving Image for 150 LPI

I need to save an image from Illustrator at 150 LPI (lines per inch) for a printing vendor. How do I do this? Bonus Question : Reccomended file format? (JPEG, TIFF, etc)
3
votes
1answer
139 views

Cleaning up DPI/PPI for scanned graphics to put on the web?

I am trying to figure out the most efficient method for editing raw scanned documents so they look best at 72PPI when published on a website. I have an example here which is from a 600DPI source scan. ...
2
votes
1answer
538 views

Can I set DPI per image/page as opposed to document-wide in InDesign?

I am making a book with some of my photography. I have not been blessed with the best camera in the world so my images range between 1100px squared to 2000px squared. The print size per image will be ...
3
votes
1answer
184 views

Setting DPI for huge print

I need to create a really large print of 4Mx2.5M. I've never designed such a large print and I need help in setting the right DPI for this. I am really clueless of how this is supposed to go. If I'm ...