Photoshop :: Document Sizes And JPEG Compression / Quality?
Sep 20, 2012
In relation to Photoshop, in the status bar at the bottom it displays what it calls “document sizes”. How to clarify can this be used to determin the quality of a jpeg file ?
For example if I open up a jpeg with no compression (file size on disk is 4.57mb) it displays Doc:34.5M/34.5M however if I open the same file with compression set at 5 (file size on disk is 748kb) and ‘document size’ doesn’t change. How does the document size relate to jpeg compression etc...?
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Oct 21, 2007
I am trying to save an original vector psd to a jpg, however it is coming out with compression on it. I am saving it as maximum quaility level 12, but it still appears. Any ideas what else is causing this?
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Jun 19, 2013
When I upload photos to[URL]... They will either be a very large file size and delay the download of the page or they will come out grainy. I have tryed adjusting them in Photoshop, but I will either loose quality or they will not be compressed enough. It there an easier tool that I am missing?
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Feb 21, 2011
i have problems with images saved as jpgs in best quality. the same image saved as png is in much better quality, what is no surprise. but when i save the png in photoshop as jpg the no loss of quality.
1. jpg saved in max
2. png saved in max
3. png saved as jpg in photoshop
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i7 950, 12gb, gtx 460, 7x64
i7 920, 12gb, gtx 285, xp64
max/maxdesign 3.0 - 2012
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Feb 24, 2007
How do i compress JPEG images?
I have Fireworks and Paint only.
Do i need special software?
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Feb 19, 2009
One of my clients wants their files sent securely on DVD. One suggestion was to ZIP the jpegs and then appy the password option.
Has anyone done this? As it is really for security I would save at minimum compression.
But Does it affect the image quality?
Is there a better solution for secure delivery?
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Feb 28, 2013
I have many images of slides scanned at high res (4800 DPI, maximum pixels 5214x3592). Although I will be saving these as loss less TIFs, I also wish to make JPGs from them that I wish to be just less than 5 MB in file size. Aside from cropping, I know I can achieve such a reduction of JPG file size by a combination of saving to lower quality JPG compression or reducing image size. My question is, what is theoretically or practically better, achieving this mostly by reducing image total pixels or by reducing JPG compression quality.
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Nov 27, 2012
I have ProX3 and am trying to create .mov PhotoJPEG video clips. I'm trying to decrease the compression quality since I'm uploading these clips to stock video footage websites. However, when I go to export the video, under the Compression screen the Quality area is grayed out at 100% and won't let me move the tab over to decrease it. How to change it?
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Jul 29, 2013
When I save a PDF file in Photoshop CC in CMYK color with JPEG compression (quality = high), it will save without any errors. However, when I open the file in Acrobat, I get an "Out of Memory" pop up error. I press Ok, and the document is just displayed as a blank white image.
I'm using Win7 64-bit, Photoshop CC 64-bit. Plenty of memory (24GB) and allocated RAM in preferences, and I've done some troubleshooting that leads me to believe the error is not due to system memory, but rather a specific bug in the software. I have Photoshop CS6 on the same machine, and if I open the PSD, save as PDF with the above settings, everything is fine when I open it using Acrobat. This seems to just be for Photoshop CC, not CS6.
Here is the troubleshooting I've done so far:
PDF format, RGB color, any other settings --> Acrobat can open the file.
PDF format, CMYK, no compression --> Acrobat can open the file.
PDF format, CMYK, JPEG compression [medium] --> Acrobat can open the file.
PDF format, CMYK, JPEG compression [high] --> Acrobat can NOT open the file because it encounters the "out of memory" error.
PDF format, CMYK, JPEG compression [maximum] --> Acrobat can open the file.
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Sep 12, 2011
The PSP X4 that I have compresses jpegs to an extreme amount even when set on compression factor 1. (a 4000 kb jpeg gets compressed to 1900kb. The previous versions would not change the compression when you open a file and just save it without changes. This one cuts the file size in more than half.
I really like some of the new layout and features, however my clients won't accept a jpeg that is compressed that much. Any other setting I need to change to stop this?
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Apr 2, 2013
I have an image with five layers and I need to know the width of all five layers so I know what sizes to put them at on the web as a picture banner (I have a limited width space).
Is there an option that lets you find out the width and height of a selected layer? I know of tricks to do this, like copying it and making a new image and checking the size there, but I want to know if there is a way to do this without creating a new image and just inside your own image your working on.
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Apr 20, 2013
If I use 250ppi and 2000x2500 but then change that to be able to print a larger image (300ppi 3000x4200 - 10x14x print, for example), what exactly happens to the image when I increases pixels and ppi? Does it improve/degrade the quality?
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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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Oct 14, 2012
Is it possible to create AND save predefined document sizes instead of the standard US-letter, US-legal, A4, A3…? And DELETE these for video and screen sizes, ect., which I don`t need? I need my own standard sizes (print) for a daily working basis like business cards -> 85x55, postcard ->... A4). So that I don`t have to type the measures again and again manually within a new document or existing artwork. I normally combine all printproduct (drawingareas) for a client in ONE AI file.
(AI CS6)
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Mar 4, 2013
I am new to photoshop and am curious to see what quality setting others use when saving photos as jpeg The size difference between saving at 10 and 12 is almost 3 times the size, I see no quality loss when saving at quality 10.
I have some photos that are original size of around 5mb, after editing the photos saving at quality 10 gives a file size of around 5mb while quality 12 a file size of around 12mb-15mb.
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Dec 9, 2002
I'm in the process of cropping 5000 family pictures. They were all scanned on a flatbed with about 4 pictures per scan. I've realized that the cropped pictures are much larger in size than their original counterparts.
For example 45 of the original scans are 27MB in size, while those same pictures cropped (157 of them) are 156MB in size.
My action automatically saves the images at the maximum JPEG quality of 12. I'm wondering what the lowest i can lower the quality to is, while preserving the original scan quality of 300DPI?
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May 10, 2004
I am trying to save a psd picture 125x500 picture. It is a simple gradient with nothing else in the picture. The psd saves with good quality. As soon as I save for web or even save as a jpeg or gif the quality is junky. Even with the jpeg file at maximum and not optiized there are chunky vertical lines. How can I fix this? The psd file is like 138k, but I can't save it more than 12k as a jpeg or gif.
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Jun 22, 2008
I have 300dpi color images. Some have cloud with blue sky in them. When I look at them on the monitor they look fine. But, when printed on a color laser printer the sky has a somewhat orange cast. What can I do to fix this, if anything, and get the color laser print as accurate a reproduction of the digital image as possible?
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Mar 23, 2008
Have a photograph which I have modified in wporkspace rgb/8. Looks great in
Photoshop with the exact colours I want.
If I now save in a jpeg or png format the resulting image is much lighter
and appears to have white speckles.
I then thought I'd try the save for web option and to my suprise I find that
on that screen my Original is not displayed as in my PS main screen but
rather as the pasty looking image I see after exporting.
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Jun 9, 2006
When saving a jpeg it gives the option of inserting a number on quality. I have mine auto set to 10 but I have no idea whether 1 is better or worse or what number I should be putting in to preserve the original quality?
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Oct 16, 2006
I have been told that when sending my JPEGS to my PRO lab that I can save them with a JPEG image quality of 10 instead of the maximum of 12. They say that there is no difference in the 10 versus the 12 in print quality. Is this true or are they just telling me this to save capacity and space on their server? The bulk of my print sizes are in the range from 4x6 to 8x10. Why are there 12 quality options to choose from? What are the differences from low, medium, high and maximum?
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Apr 25, 2008
What is the best way to achieve lossless JPEG quality in Photoshop? Is setting the quality of the file to "maximum" essentially lossless? I've been using .png files a lot more, but some of my clients still don't welcome that format.
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Apr 9, 2013
problems with the Export to JPEG dialog.
1. It does not show the original file size. At one time I used this as a cue to see if I had forgotten to resample.
2. After the installation of version 16.3, the displayed compressed file size is no longer accurate. It varies from perfect to reading 25% too high.
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Mar 20, 2012
when saving an image as a JPEG I would click "Save As", select my folder and the Image Quality dialog box would pop up and I would then select 12/Maximum as the image quailty and hit "OK". Thereafter, every time I saved an image, Photoshop applied the same settings as the previous save i.e., 12/Maximum was pre-selected and I would just hit OK and move to my next image.
However, since yesterday Photoshop is no longer pre applying the last setting used and is defaulting to quality 8/High every time. Si everytime I save, I am now having to slide the slider to 12 which is kind of interrupting my work flow.
I have tried delete my preferences settings in the hope that this glitch would be fixed by resetting the program, but the problem persists.
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Feb 20, 2013
I am a little bit lost when reading discussions regarding the best way to have photos accepted by Istockphoto. They are extremely demanding about the quality of the pictures and they accept zero artifacts for example.
I read that any corrections made of a RAW picture in Lightroom 4 must be very minimal (almost no correction for saturation, vibrace, exposure, and sharpening, noise etc.).
In this case it would mean that Lightroom is of no use and whay not use directly Photoshop CS6 to convert the RAW photo into a high quality JPEG. If this is true, what are the best settings in CS6 to convert a RAW photo into a JPEG format ?
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May 8, 2009
how to prevent Photochop from popping up and asking what JPEG quality to save the photo as. I want my action to end by saving the result as JPEG but dont want the interference of the dialog box asking me what quality to save the JPEG.
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Oct 15, 2007
I used CS2 to edit my photos but I notice that when i flatten the image and save it, the images saved has some quality loss in it. It really has started to annoy me and I cnt edit my images. Please tell me a way to reduce this quality loss. I have to save the images in JPEG as I have to post them on the internet.
and i hv also noticed that sme colors change when i save the image..like the saved image is a bit darker than what i see in photoshop...
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Oct 17, 2013
From what I can make of it, lossy is the option on GIF files, and therefore I am assuming that the optimisation is lossless for a JPEG at 100 percent quality and lossy when the quality is reduced?I just want to clarify that I am saving images for the web at the smallest size I can without losing too much quality.
All the images I save are 450px wide @ 75 dpi, but vary in length from 800px high to 1500px high, but have to be saved under 100kb. lossless and lossy in JPEG format in save for web?
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Sep 20, 2013
How do I move a jpeg into a new file I made. I have a project for school and I can not remember how.
I made a new file, and then I open the pictures I want but how do I select them as the size they are and put them in my new file?
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Nov 22, 2012
How can I set the Instant Fix mode to save as maximum JPEG image quality?
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Jul 7, 2013
Listing on ebay some clocks i do, looking at the latest requirements. They want a jpg image 1600 pixels on the longest size, ok its big but fair enough.
They also want it to be 90 on the 0-99 JPEG quality scale. Someone has shown me that scale in Ifranview but where do i find it in Corel Draw X4 blowed if i can find it, I don't really want to add another program just to sort this out, i am confident Corel Draw X4 can do it.
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