Photoshop :: Large File Compression
May 11, 2009
I have CS3 extended and have been compiling a series of high resolution photographs into one layer in photoshop. I have copy and pasted each photo and then stitched them together resulting in a file that is 1.35Gb. I want to compress the file, keeping the resolution as high as possible, so it is easier to use in illustrator and import into ArcGIS. I have tried saving the file as a jpg, pdf and tiff with variable compression qualities. As soon as i open the image up in a different programme and zoom in I loose the picture, eitehr to a blank screen or a message saying 'invalid format/picture'. Opening the file and saving is taking so long too do as well...
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Mar 10, 2013
I am looking to create a collage made from 100 photos (all taken high res) to be printed large, approx 120cm x 50cm. To be able to print this size I need to keep the high resolution and hence looking for a large file output.
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Jul 28, 2006
what is the diffrence between these two pictures(the same picture both are .JPG images but the quality and size is diffrent)
i assume that they are saved with diffrent compression and encoding or sumthing like that.
BMW 1 (Good Quality)
BMW 2 (Normal Quality)
Cadalac 1 (Good Quality)
Cadalac 2 (Normal Quality)
EDIT: to see the diffrence between them, you must look at them with atleast 2x or 3x
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Feb 7, 2009
I'm trying to make an avatar for the forums here, but I can't seem to make it small enough (file size) for it to be usable.
Is there some way I can compress this down to 8kb without losing quality?
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Oct 14, 2013
After working on a jpg file, when I want to save it, still as jpg, with my Photoshop CS5,
- sometimes photoshop will just save the picture, and it's done
- sometimes photoshop will show me the compression dialog, "JPEG Options", in which I can choose the compression ratio, the format options (baseline, baseline optimized, progressive), and have an estimation of the total file size
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While not being prompted any dialog is simpler, and I'll then simply assume Photoshop decides to retain the current image's compression and format rules, I must say I like to be in control, and I'd like to know under what form the file is being saved without having to resort to the much more complex "Save For Web" menu.
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WHAT "triggers" the appearance of the JPEG Options when we close/save a jpeg file, in photoshop ? What makes this menu not to appear, what makes it appear ? If there are trivial file operations/changes/filters that necessarily trigger its appearance when we want to save, something like that ?
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Jul 25, 2012
I use CS5 on Win 7 64-bit. Today I learned about this option to disable file compression to speed up save time:
[URL]........
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I downloaded the reg key and installed it. When I restarted PS to test it on a file, there was no difference in either save time or file size. The test file is a 300 MB multi-layered PSD file.
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Jan 20, 2013
I'm trying to add audio to a slide show. I've done it before on this computer with no problem, but now it's telling me I don't have the correct compression files installed on my computer.Â
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Nov 13, 2013
I am trying to export .MOV file for resolution 1280x1080 (HD) compression is  DVCPRO (for broadcast) server is Harris. And i m  making a project on the 1280x1080 8 bit, field 2, fps 25.  and using the file which has size 1280x1080 at 50 P.
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So when i export this as .MOV and choose compression DVC pro 1080. it gives me error message, "frame rate and bit dept is not same of the clip and compression u choose
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Feb 7, 2012
The full message I'm getting reads: "Error loading PSD file: Unsupported compression mode: 60157."
Is there anything I can do to remedy this? I don't have PSD, so I can't open it that way...
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Nov 27, 2011
I'm running PSPX3. the effect of no compression (or compression factor = 1) on saving files. I've got a JPEG image file straight from my camera that's approximately 4.1MB in size. If I do nothing else but "Save As" with a compression factor of 1, the new file size is approximately 50% larger, or 6.2MB. What has changed to make the file size larger? Both images are still 72DPI, 3648X2736px. I can't image that I have done anything to "improve" image quality, so why did the file size increase?
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Mar 8, 2013
I have been learning about Textures and I've been playing around with different ones and so I have come across a great site with lots of Texture files for download ...
[URL]......
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Well, the files are small eg: 38x38 and 76x76 and how to create a larger image with these small images. Also, they are in .png format... if that matters.
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From what I've read a Texture is a Pattern ... right? So, I have searched the FAQ's, the Manual etc. for things like: How to make a large Pattern, How to use a small file for a large Pattern and so forth but I can't find the right info.
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Am I suppose to use them to create a Repeating Pattern? Can I do this and have them be seamless?
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Jan 3, 2013
I just large sign for a hockey rink. I created it in Photoshop and saved it as an eps( the printer requested it be submitted in this form.) The file is very large( 600 mb) and now that I need to open it to edit it Photoshop just crashes. I am using Photoshop cs5 on 3.06 ghz duo core mac with 4 gb of ram.
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Jun 8, 2011
I created a design for my fraternity's new rush banner we need to have made. It's going to be 10ft x 8ft. I originally sent the design scalled down to 1000pixels x 800 pixels. The gentleman working with us replied that I must send him the image scaled down at 350 dpi or in real size at 72dpi. After changing the resolution to 350 pixels per inch (I'm assuming that means dpi), I tried scaling it up just to make sure everything looked correct. *The problem is though that when scaled up to 120in X 96in, the text as well as edges of the colors have a haze around them. Will this come out when printed?
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Feb 27, 2013
I have CS5 and whenever I try saving any file type to PDF it maximizes the file size tremendously. I have flattened the layers so that is not the issue, and it doesnt seem to do it with other file formats, so it makes me think there is a hidden preset that i cant find pertaining to PDF formatting. Example: Opened up a PDF file sized at 3.1M, and saved it without making any changes and it jumped to a size of 10.3M. (I tried doing the same thing in Photoshop 7 and the file stays at the size of 3.1M.)
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Nov 12, 2013
I'm having huge problems with opening large files. They're slowing down my entire machine, and even minor things such as resizing a layer with the file can result in 10 minute waits. I'm hoping I don't have to reinstall the OS, but I really cannot work out why there's such a jump in performance. It's becoming impossible to work with files approaching 1GB, leat alone some of the 2-3GB files I need to, which previously weren't a problem.
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I've recently upgraded to CC from CS5 on a 2.6GHz i7 MacBook Pro (less than a year old, circa. Jan 2013), with 8GB RAM and 500+ GB free memory on a 1TB hard drive. I don't have any third party plug-ins, and am very careful with fonts.
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I've let Photoshop use 80% of the 6440MB of available RAM.Activity monitor is showing PS uses about 60% of the CPU when saving, otherwise only 30/40%, about 5GB of virtual memory, and I have plenty of space on the disk.I don't know if it's odd, but my sleepimage file is about 8.6GB, which seems large? Also, there are at least 14 swapfiles all at least 1GB - should there be so many?
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Should probably say I'm also using an external monitor, but performance doesn't change when I disconnect.
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Mar 4, 2008
I've designed a shirt I want to send to the press to have made for a premiere. The file (flattened) is 16.3MB. The press allows an upload of 16MB. When I asked what formats they allowed they told me to send the PSD file. This is going to sound dumb, but is there a way to shave .3 from the file, yet keep the content? Maybe resize the file just a bit?
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Oct 8, 2008
I have this project I need to print in a newspaper. It's a PSD in CMYK, 300dpi (20 cm x 32 cm). I was told it need to be a TIFF or a EPS with text layers converted to paths.
So I've "turned into shape" every text layer I've had (it's tricky 'couse this way 1 text layer = one font color ... so if I had a block of text with 3 different colors I had to break it into 3 different layers ... anyways) and saved it as a TIFF and EPS. Just to see which one will be better (resemble my original PSD more?).
so after "saving as" TIFF my file grew from 177mb to 208mb and I still had layers and eveything (I've never actually used TIFF files as the main project files). I can preview the file in IrfanView - I understand TIFF still contains all my paths right? (well it should being a 200+ mb file ;))
I then tried the "Save As Photoshop EPS". Now the file is 95mb aaaaaand I cannot open it with any Adobe software. why is that?
Photoshop says:
"could not complete your request becouse the parser module cannot parse the file"
and Illustrator says:
"The operation cannot complete becouse of an unknown error"
By the way - I've always thought that EPS is a paths-only format. It seems it can also contain raster graphics?
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Oct 2, 2008
I'm working with a large PSD (100+ layers, over 170MB). I wan't to preview it as a PDF. I click Save As ... and I make a new file on the desktop. I minimize Photoshop, go to desktop and open the PDF. Ok everything's ok. I go back to photoshop (just maximize it). I work work work .... Ctrl+S every once in a while ... and I suddenly realize that the file I'm working on has changed its name from project2.psd to project2.pdf (I see this in the top bar of the window). I minimize photoshop, go to the folder where my psd file is stored and I check it for weight -> it's now 24MB instead of 170MB. Ok, Istead of going back in history I decide to Overwrite my original project2 (which is now a pdf as the windows explorere shows ... [oh yeah, and the pdf I've created on the desktop is still there as a totally separate file]) with the project I have currently opened in photoshop (I still have layers in the layers pallete and everything, it's just the photoshop shows the name of the file in the top bar "project2.pdf"). I do that. Now I close all the projects opened in photoshop (I guess that's the moment I really screwed up) - though I don't close the program itself if that matters at all - and I reopen my project2.psd.
it opens as a PSD ..... but it's flatten. No layers.
why after creating a new pdf file on the desktop the whole project I was still working with turned into a PDF file.
I wan't to get my 170MB 100+ layers file
Does Vista store some temp files anywhere? I suppose it won't be there.
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Feb 27, 2008
I can't for the life of me figure out why a 9 page PDF containing only outlined text, is ending up at 4.5mb. It's pretty intense lines and text, etc. But still. It seems too large.
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Jul 29, 2012
I downloaded an image from the NASA LROC Site that is around 10,000 x 68,000 pixels in size. It is HUGE! But I get an error message from Photoshop when attempting to open the file:
Photoshop can only decode JPEG encoded images up to 32767 pixels wide or tall.
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The file is a PTIF file around 70mb in size. How do I get PS to open this file? (I am using Photoshop CS6 Extended on Windows 7).
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Jun 28, 2013
how do I convert a large (1-3.4 GB) .pbs, .raw or .tif file to a pdf or back to a .psd? I made a large psd file to keep as much detail as possible for a 24" x 16" actual size graphic without pixelating and with sharp edges.
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The vendor wants a pdf file. How do I convert back without reducing quality of the graphic. I am using photoshop CS4.
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Apr 3, 2013
I was scanning a roll of drawings on a large format scanner, and I ended up with JPGs that are larger than 30k pixels wide. (I understand this is a limitation PS has)
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The issue is, I spent hours scanning all these rules, and now I have a few JPEGs files that are very large (45k x 10k pixels), that I cannot open at all).The JPGs open fine in the windows viewer, so I know they are not corrupt.
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If I can find someway to open them, I can then resize them slightly to fit within the limit, or save them as (PSB - Large Format).One of the ideas I had was to find some other software that I can use to open and re-save, or to split the JPGs in 2 or 3 pieces, and then piece them back together in Photoshop.
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Jun 22, 2006
Im currently trying to produce some banners that are quite large 80 inches x 34. I dont know how to scale that down to a managable canvas in photoshop but at the same time not loose any quality.
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Nov 29, 2002
when you need to make correction (level color) on really big file... something likes 200mb and more!
1) Open your image
2) Go to file size and reduce the size to a really smaller image (something like changing the resolution from 300 to 72) to get a much smaller file size, but make sure you still see some details.
3) Save this file over a new name (ex: LowFileName.psd)
Now we have a low-resolution version of our file, one that will be much easier and faster to work on.
Now here come the part where we will use a cool feature of Photoshop... Adjustment layers...
Make all your correction with adjustment layer, like lever, color, hue and saturation, until you like the results... you an also use mask.
4) When you like the results you will need to group all you adjustment layers...
5) Open you Original file
6) Drag all you adjustment layer over the original size
And voila, all you adjustment are over you Hi-Rez image!!! I you used mask you will need to adjust their size with Scaling!
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Mar 11, 2009
I'm working with a friend who's got perhaps unusual Photoshop needs. He's working on a 10000x20000 pixel 16 bit image with maybe 6 image layers and 12 total layers. Loading the file takes about 20 minutes.
The system is a 2.6 GHz quad-core i7 with 12 GB RAM and a 32GB SSD primary scratch, 200 GB of secondary scratch, with a 1 GB Radeon HD 4870, running CS4 64bit on Vista 64.
What seems odd to me is that memory usage climbs steeply for the first perhaps 4 GB, looking like the load might complete in a minute or two, then the CPU kicks in for the long, long remainder of the load. The file on disk is roughly 5 GB.
We've got issues aside from this, but I'll detail them in another thread.
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Feb 16, 2013
I have two catalogs created in Photoshop Album 3.2 and I downloaded Elements 11 and had no difficulty finding and converting the smaller file, but the function will not display the larger file to be selected for conversion. Is size the problem, and if so, how can I cope?
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Jun 24, 2012
I have 1 large photo (33cm x 200cm) i like to print on A3+ paper. Not cropped or reseized, but on about 4 papers i can glue toether after printing and so get 1 large file.
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So in all i'm looking for a way to print from PS cs5 so that , part by part, the image is split on the 4 sheets i like to use.
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I can of course manually 'cut' the photo into 4 pieces myself, but i really hoped PS CS5 could do this job automaic for me.
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Is their a way i simply did not find yet?
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Oct 23, 2013
Some of the thumbnails on elements 12 organizer have an error message of "File Size too Large" and are not displaying. All of the photos are jpeg file and are aound 8mb.Â
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Dec 11, 2012
Why is the file so large when I have not made any changes? 1..is there any thing that can reset to keep the original file size? I am using CS6 and Lightroom 4
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May 22, 2013
How can I get Elements 9 to show me thumbnails of my large file images? When I tweak them with CS5 Elements won't show them in the Organizer.
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Oct 7, 2013
My Photoshop Elements 10 keeps shutting down on me whenever I open a large file or I create a new file and try to add a new frame layer. It was working fine a week ago and now nothing.
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