Questions tagged [dpi]

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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53
votes
4answers
140k views

Is it mandatory to keep images at 72 dpi for web design?

I have been designing web banners for more than a year but never considered the DPI. I was using the default 72 dpi, but now I want to know is it necessary to create web designs in 72 dpi? What if we ...
36
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2answers
23k views

I need to print an image at a certain size. What dimensions and resolution 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 size, what pixel dimensions ...
30
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11answers
48k views

What DPI should be used for what situations?

I've been seeing the word 'DPI' pop up quite a lot when I export my work out in Photoshop and Illustrator. While I know that DPI stands for 'dots per inch', and that if you have too low of a DPI on an ...
28
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6answers
107k 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 ...
15
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6answers
7k views

Why does Photoshop call ppi “resolution”?

There are some things in Photoshop's "new" dialog window that I find troubling: Assume an image of 1000 pixels by 1000 pixels. How can there be an input box for ppi? Ppi a property of the result of ...
13
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6answers
48k views

Changing the DPI of Inkscape’s PNG export

I use Inkscape and want to export a PNG image (of my SVG file) with dimensions 1080 px by 1920 px. However the DPI is always set to 90 and if changed, the dimensions change with it. Is it possible to ...
12
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5answers
18k 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 ...
11
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4answers
6k views

Is a DOT comprised of many PIXELS?

I', trying to understand difference between DPI and PPI. I learned that a DOT is the smallest physical entity a device can show or printer can print and a DOT may consists of R,G,B elements. A ...
11
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3answers
48k 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 ...
8
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3answers
4k views

Does printing an image at a high PPI consume more ink?

I have an inkjet printer with a maximum resolution of 2880 x 1440 DPI and I was wondering two things: Does printing an image with a high PPI resolution makes the printer use more ink? For example, ...
8
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6answers
43k 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 ...
6
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3answers
11k views

Tools to simulate different DPI screens?

When designing for mobile web, its important to check designs at the physical screen size of target device. Merely looking at your PC / Mac screen at designs of the same resolution isn't enough: * ...
5
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4answers
4k views

DPI Vs. PPI Vs. Image dimension, what should be taken to consideration?

I've been really facing this problem and I have found a similar link, that does not really address the problem. First of all, I'd like to mention that I use blender and GIMP for most graphics that I ...
5
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6answers
25k views

How can a print have a resolution of 9600 x 2400 dpi?

While reading about the CANON PIXMA MG5150 printer (http://www.canon.de/printers/inkjet/pixma/pixma_mg5150/), there was a stated print resolution of 9600 x 2400 dpi. How is this value meant here, ...
5
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3answers
1k views

Why is my edited image smaller than my original image but yet retains the same resolution?

I used IrfanView to change a JPG's DPI from 96 to 300 as I want to print it on a bag for my child. The new imaged created is significantly smaller 6 MB vs 682 kB. The detail summary shows the same ...
5
votes
5answers
3k views

What dimensions should I use when designing for the Kindle Fire?

I've reviewed all of the android design documentation, but I am still a little confused on how I should setup my Photoshop file if I am making an app for just the Kindle Fire. It's 1024x600 with 160 ...
5
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2answers
3k 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 ...
5
votes
1answer
9k views

Do I need full 300dpi resolution photos for designing a poster?

I'm working on a poster for a local event. It has a photograph in the background. The poster itself is designed to be 11x17, which at 300dpi is about 3300x5100. Now the photo in the background does ...
5
votes
1answer
99 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, ...
4
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3answers
2k views

Inept knowledge about dpi and ppi,please help?

I have designed a web header 1000x98 at 72 ppi using Macromedia Fireworks for our website and we are planning to print a billboard using that header? The printer has told us that he needs the image ...
4
votes
3answers
5k views

How to get a 1:1 scale print preview?

this question is actually a bit special, so I didn't know exactly how to formulate it. What I actually want is to see an image on the screen at same size (or as much close as possible) to the size it ...
4
votes
2answers
822 views

Unable to create image of a certain size (25mm x 11mm, 300DPI)

I've been asked to create an image of 25mm x 11mm, with 300 DPI. I'm far from an expert so I've simply tried to create a new image in GIMP with these specifications. The program doesn't allow me to ...
4
votes
2answers
37k 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 Following this process exports a PDF file from ...
4
votes
1answer
273 views

What does MMH stand for?

I'm looking at some software that does a DPI check based on an upload of an images. It checks the resolution of the image against the specified DPI (300) and MMH (44x88). Does anyone know what MMH ...
4
votes
3answers
29k views

All PDF's appear to be 72 dpi, no matter what

I'm having some trouble creating a PDF with Photoshop. The client wants the final file to be "a PDF at 300 dpi". I have an image (3300 x 2550 pixels @ 300 dpi) in Photoshop. (11" x 8.5" canvas) It ...
4
votes
4answers
14k views

Will 300 dpi (non-vector) result in blurry artwork for screen printing?

I created a .psd artwork on a t-shirt that has several "sponsor logos" on it sized at around 1x1inch each. I created the file at actual size with 300dpi. I then got an email back from the printer ...
4
votes
1answer
2k views

High res Laser Printer for home use

Im looking for a 2400 x 2400 DPI Color Laser Printer, I can't seem to find anything cheaper than the Xerox D560, but I want to use it at home... Is there anything like that? Thanks in advance! Edit: ...
4
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2answers
271 views

Printer Resolution

The Windows 7 printer preferences dialogue box tells me: Print pixels: 1416 x 2152 dots Does this mean that I should always provide an image of 1416 x 2152 pixels to achieve max quality? How is DPI ...
4
votes
2answers
150 views

Designing a HUGE Shop Window Wrap

I have been asked to design a huge shop window wrap. The exact dimensions are 16640mm x 2400mm (yes thats 16m!). As a spec the printers have recommended working at 300 DPI, but making the image 50% or ...
4
votes
1answer
1k 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
5answers
31k 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 ...
3
votes
2answers
16k views

iOS 4 retina display resolution size

I'm a little confused about the resolution here, I know the dimensions suppose to be: 320x480 points but what do I need to put for the resolution? e.g. 300 dpi? I'm designing on CS5.
3
votes
4answers
33k 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 ...
3
votes
4answers
85k 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 ...
3
votes
3answers
925 views

How can I simulate a 300DPI printout on a 600DPI printer?

So I had a 600-1200dpi printer but we wanted to get a 300dpi output because we wanted a rougher dots for screenprinting film. Is there any workarounds or settings I can use to get a 300dpi output from ...
3
votes
2answers
29k 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 ...
3
votes
3answers
25k views

Convert PX to DP

First of all, I'm a mobile developer and I'm risking the development of a layout for my app, right from the start I found the following problem, Photoshop uses PX as a unit of measure for the forms ...
3
votes
2answers
5k views

When creating PDF from an image, what determines the screen dimensions when viewed at 100%?

I would like to use pdf for ease of use and annotations when creating previews of my screen designs. However, no matter how I create my pdf, I can't seem to figure out what determines the 100% view of ...
3
votes
2answers
3k views

What DPI to design at for small label on 4800 DPI printer

I have a printer that prints onto labels at supposedly up to 4800 DPI. https://www.primeralabel.com/lx900_features.html I'm guessing this is mostly marketing. I need to print onto 25mm by 51mm ...
3
votes
1answer
7k views

Inkscape, 300dpi image for printing, 2“x2” - export settings

It was requested of me to provide a 300dpi image for printing at a resolution of 2"x2". I have been scouring the forums and am more confused than ever. My image is easily scalable in Inkscape and will ...
3
votes
2answers
6k views

Decreasing the page size when saving to PDF

I created an SVG image in InkScpae. It is 1328 pixels wide. Then I did "Save as PDF". The resulting PDF was 15 inch wide. I need the PDF to be in the width of an A4 paper - about 8 inch. I tried to ...
3
votes
3answers
4k 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 ...
3
votes
2answers
3k 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 2....
3
votes
4answers
8k 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 ...
3
votes
1answer
591 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 ...
3
votes
1answer
592 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 ...
3
votes
1answer
163 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 ...
3
votes
1answer
329 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. ...
3
votes
2answers
399 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 ...
2
votes
5answers
599 views

How important is it to use the correct resolution?

When working on a project, its obviously important to use the right resolution. My question is, how important is it to use the right one? For example, why can't you always use a high PPI for all ...