Photoshop :: File Size Different With Same Dimensions
Sep 23, 2013
I took some shots yesterday with my iPod Touch Fifth Geration and Adobe Bridge (of just by clicking on the file in Finder) shows the file size of the jpeg files at about 2.33 megs with dimensions of 1936 x 2592 or 26.9 x 36.0, 72 ppi. When I open the file in Adobe Photoshop CC, the file size is 14.4 megs with the same dimensions.
Why is there such a difference in file size?
And, after I work on the file in Photoshop and save it again AS A TIFF IMAGE without changing dimensions, but doing some work with NIK filters, Adobe Bridge now shows the new file at 14.39 megs. I know that TIFF takes up more file size than jpeg, but is there that much of a difference in file size?
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Oct 2, 2012
I am preparing images for the web and I really have 2 questions: one about gifs, and one about jpgs.My standard procedure is to reduce the image to the desired pixel dimensions at 600 dpiThat gives me a crisp small image. then I either use it as is if the file size is low enough (I try for under 600 kb) or convert it to a gif with the save for web and devices tool.
So here are my 2 questions (I will count this solved with either answer)
1) When I convert to a gif I have the 4 boxes: one with original size, the other 3 with options but often the options are too low res for me How do I change my 3 options to start at a higher gif res?
2) If I try to reduce the file size of the jpg in the image size box I set the resolution lower ( 400, 300), which lowers the pixel dimensions and the filesize, but I don't want to cahnge the pixel dimensions. And If I reset the pixel dimensions back to the size I want them, even though it is a lower resolution the file size doesn't change.
How to reduce jpg file size using only the resolution, not pixel dimensions? PS I have tried messing with checking and unchecking the 3 little boxes( scale styles, constrain proportions, and resample) but nothing has worked.
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Sep 3, 2013
I am trying to create a PDF/X-1a that is exactly the size (dimensions) of the .xcf file (15x12in.). There are two ways to do this that I have found at this point. Export does save the correct size, but I can't find a way to change to the x-1a format, or print to PDF which does save the correct format but doesn't save the correct size. When printing to PDF I go into Preferences>Adobe PDF Settings and change the Default Settings to PDF/X-1a and change the Adobe PDF Page Size to 15x12 (custom created page size). When it prints the PDF ends up as an 8 1/2 X 11 file.
Two notes:
1. When I go to Page Setup in Gimp I cannot set a custom page size .
2. The only reason I need the X-1a format is because when I export to a standard PDF the ink density for the black goes above the 240% limit that I need for the printers. If I could find a way to get the ink density results I need without saving in the X-1a format it would be just as good.
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Apr 4, 2013
I have an image received from a client in .eps format. I need to get it into either a .gif or .jpg format AND the final file MUST be .8 inches x .3 inces, AND no more than 10K in size. How can I save it with these dimensions/constraints and not lose resolution? What I have tried - export to .jpg (file is 5 inches x 3 inches), export and change resolution to 100ppi (image is nearly the right dimensions, but blurry). The tools I have are AI and PS both version CS5
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Apr 4, 2007
Working with CS2, is there a special way to match exactly two different images pixel dimesions
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Jul 28, 2004
I have to process a couple of thousand photos. What I need to do is get PS to resize the canvas so that Height=Width, no matter which is the larger. In the area where it increases the canvas size, it should then have white space.
So that for a 10x5 landscape picture, it resizes to be 10x10 canvas, for a 5x10 portrait picture, it resizes to be 10x10 canvas, etc.
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Nov 23, 2012
Is there a way of having different size dimensions on the same drawing? when i go into Annotate, then dimensions and change text size it changes all of the dimensions. in other cad packages i've used you can change selected text and so on a drawing you can for example you can have some text at 100mm and some at 25mm.
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Oct 25, 2011
Is there any way to set the font size for the temporary dimensions? I am having a hard time trying to read the numbers on screen.
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Sep 19, 2011
Is it possible to get an annotative Dimension to print at one size for an A1 Drawing and at another size for an A3 Drawing.
E.g. I want the text in the dimension to be at 25mm in the A1 Drawing but I want it to appear at 12.5 in the A3 Drawing.
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Mar 15, 2013
I've just recently changed jobs and so I'm working on a new (to me) system with Autocad Mechanical 2013. I had been working with Mechanical 2010.
One (of the many) issues that is bothering me, is that I can't seem to scale resize individual dimension. Normally, I'd create the dimensions and then if I needed to tweak the fit, I'd go into the Properties pallet and change the overall scale under Fit. Not really a good standard of practice, I know...
But when I do that on my current system, the dimension doesn't change at all.
On top of that, I have a weird refresh problem. If I grab a dim by the grip and move/stretch it, it doesn't actually show the new position unless I Regen. Is that a setting or maybe just a slow reaction by my computer?
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Jul 25, 2012
How to display the annotations properly. Perhaps this may just be a display or view setting but I beleive I have checked them all at least 3 times =).
Even in the video he explains all the things explained here but does not explain exactly how to make the dims and ext lines notate and display properly, in model or paper view (view port). I have tried many ways to create a view port in paper space and annotation several dimensions. I constantly get different text sizes and ext line scaled differently within the same view port.....even after I have locked it.
I am also confused about notating dims in the model space within the paper space view port vs on the paper space outside of the model space view port? Perhaps this has something to do with my issues?
Again it may be because I don't understand another function/setting impacting this well enough yet?? I have tried/used every variable in the Dimension Style Manager on the Lines, Text and Fit tabs to no avail.
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Jun 2, 2012
I have a 900x900 px image, and a 900x900 px artboard.
When I place the image on the artboard, the image is 675.094x675.094 px
How can I place the image at its native size?
Windows 7 | CS5
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Apr 15, 2008
is there a function in photoshop cs3 that will reduce the file size of a photo without affecting the physical size of it, i know macromedia fireworks can but thats no help to me unfortunately...
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Aug 11, 2013
I'm trying to design an a4 and a3 poster; and I'm looking for the dimensions to fill in to the canvas sizing tool....
I keep finding the dimensions but I'm confused as to what I am to have the resolution bar/ option set at? I want the posters dpi to be 300 or 400.
Also what size should the file be .mb wise?
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Oct 24, 2013
Why is the image on the screen small the the actual file size. As an example I have an image thats 5.7x5.7 @72DPI. My canvas says 100% but the image on screen is about 3x3.
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May 14, 2003
Can someone please explain to me about file sizes and image dimensions. I have to put together a collage which is 165mm high by 258mm wide. If I click file new and choose default resolution (72) then the file size is ok, if I type in 300 dpi the image becomes huge.
If i chosse 300 dpi then the images I was going to use seem tiny on such a vast workspace - Im confused why does the canvas become so large when changing resolution?
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Jun 28, 2012
How to set up a dynamic block so I can control the size of an object through parametric dimensions that are linked (somehow) to a lookup table, spreadsheet, list, etc.?
What I'm trying to do (simplified) is place a block of a rectangle, select a size from a dropdown list, and have the block change to be that size - but I don't want to do this through visibility states as there are hundreds of sizes. The whole point is to be able to construct a list, lookup table, excel sheet, etc and link it to parametric dimensions in the block, or at least be able to link a stretch action to parametric dimensions. But the block editor will not allow me to associate a stretch action with a parametric dimension (at least I haven't figured out how to do this.)
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Dec 15, 2012
"Image > Print Size" really IS the command you are looking for.
The key is to pay attention to the units-of-measure shown on the Print Size dialogue box:- The "Width" and "Height" values under Print Size are displayed in real-world units (inches, mm, etc.), not image pixels.- The "Resolution" values are displayed in pixels-per-unit.- You cannot change your image's pixel dimensions (aka scale the image) from the Print Size dialogue. That's what the "Scale Image" command is for.Remember the relation between pixel and print sizes is:(print size) = (pixel size) / (print resolution)
When you change the image's print resolution, of course the real-world size (the "width" or "height" shown in the Print Size dialog) of your image will update to reflect the new print resolution -- that value is calculated from your image's actual pixel size and whatever resolution value you just entered. This is totally normal behavior -- in fact, it's expected. If you change an image's resolution from, say, 150 pixels/inch to 75 pixels/inch, this doubles the print size of your image but only the print size; the image's pixel size remains precisely the same as before. (You can confirm this by comparing "Image > Canvas Size..." before and after changing the resolution.)
And as others have stated, if you're using the image for Web viewing then its print resolution has absolutely zero effect on how it will appear onscreen (print resolution only affects, well, actual printing), in which case you'll want to use the "Scale Image" command to actually scale your image larger or smaller.
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Sep 21, 2011
See video. What can I do about that?
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Nov 14, 2002
first post on the board and i have a simple question. how do lock the height and width numbers to maintain scale? like say i wanted to use a file that is 2x4 and i wanted to change the height to 8, then i would also like the width to automatically change to 4 for me.
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Apr 29, 2009
 When I save a file to jpeg the image size in photoshop remains the same as it was as a tiff file BUT according to the information that comes up in windows properties the file is much smaller (300k vs 2.9mg).  Can you advise me which is the correct file size?  If the correct size is the one showing in windows (300K) does mean that the file compressed in JPG and lost a lot of information?
 and if this is the case how can I prevent that from happening and still save the file as a JPG?  [ I would like the image to remain the size photoshop shows it to be] . Thank you very much.
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Dec 13, 2012
I take photos in raw and jpeg. My raw files have the dimensions 3:4 and jpeg have 2:3. However when I use camera raw, the dimension of the raw file is changed to2:3 which causes me to loose part of the picture. If I save the raw file to tif and open in elements I get 3:4 but then I can not edit in Camera raw! I have a canon powershot g12 and photoshop elements 11.
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Jun 27, 2012
Using Photoshop CS5 and Windows 7. How do I get a photo file (jpg) to print at specific dimensions? For instance, I have a file open in Photoshop and it's dimensions are: width-3872 pixels and height-2592 pixels. I want to print and have the print size be 10 inches by 8 inches without distorting the image.
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Sep 30, 2013
I am looking for a program that will rip through a couple thousand psd files and provide a list (preferably csv or xls file) of file names and corresponding dimensions and resolution for those files.
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Oct 17, 2012
Using ObjectARX2013, I have to solve problems.
When I plot PNG or JPG file, its paper size is needed to edit according to drawing size.
I want to know the source code or function(or method) - C#.
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Dec 6, 2013
My picture’s original size was 108.2 MB in tiff. After I developed my photo in Lightroom and exported the new image, the file decrease to 50MB in tiff. Why did Lightroom decrease the file size to more than half the original size? Is there a way to increase the exportation file size to that I may develop a large size print?
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Oct 18, 2013
Background info:
We got several image files every 2 weeks which should be edited and mainly reduced in size for web purpose. This work needs 1 work day for one man/woman to do, because he/she has to open the file save for web and then set the quality to a value were the file is nearly about 150-200 KB in size.
The images are different, some have few colors, some have a lot of colors and there are also different in resolution. But they should not be reduced in resolution, only in quality. All other specs of the image should be kept
Is there any possible script, plug-in or similar which can do the same (Saving with a specific max. file size) in some automatic and faster way?
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Oct 29, 2013
I'm creating an animation in AE eventually but initially have two hand drawn images of the same object that I've scanned into PS.
I have a single mask created that I turn into a selection to copy the two images to output as new single files to then import as 2 frame png sequence into AE.
Normally, and this is critical, the dimension of the new files would/should be exactly the same. But they're not! How is this possible, the selection is the same for both layers.
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Mar 4, 2013
How can in retain my original jpg file sizes when processing multiple file in 11 using expert mode.
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Jun 2, 2013
I'm creating a logo for a newspaper ad for an attorney. It would be very easy to create by itself, but the damn dimensions keep changing.
Whenever I try and create a new file W 2.646 " x H 2.895 " it changes W to 2.458 " which I DO NOT WANT and the image cannot be used unless the width is correct.
This is really frustrating and I was wondering if there was ANY way I can turn this dumb thing off. I want EXACT dimensions and it keeps changing it.
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Jul 24, 2013
Image Sizing Dimensions produces wrong image sizes upon export for certain images.
Example, I have export set up for iPad resolution, 2048x1536px at 264ppi. If I now export an 3264x4928px image it should be resized to 1356x2048px. What I get is 1356x2047 instead, one pixel too short on the long side. This doesn't happen for all images source resolutions and ratios though. I haven't figured out the pattern yet.
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