Windows 8 and 8.1 Forums


Best file compressor - for .jpg files

  1. #11


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    Quote Originally Posted by norepli View Post
    Quote Originally Posted by topgundcp View Post
    You are very welcome. BTW, I use this for Website development and also for email which you want images to be small.

    Here is the Windows 8 BG, which is 1.1/10

    Oh boy! That is one beautiful background!! I'm glad my wife wasn't looking over my shoulder and I'm sorry that I missed the actual image comparison but "they both" looked good!!!
    LOL, I did not mean to give you that image but I did quite a few samples, here's is the desktop that I actually wanted to upload
    Best file compressor - for .jpg files Attached Files

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  2. #12


    Quote Originally Posted by dperecky View Post
    Hi. I used Infozip to create a .zip file with .jpg's. A 60,718,199 byte directory of .jpg images compressed into a 59,898,728 byte .zip file. Not what I had in mind.

    I want to copy a bunch of photos... about 2.85Gig onto CDs. Any help, tips would be appreciated.
    Hi topgundcp,

    So, I thought the OP wanted to store a large quantity of JPEGs on a standard CD, "without" reducing the image quality, and that is why I responded accordingly. However, if the OP is willing to "reduce" the quality and then zip them to a CD, your solution does work. Now, adding to the list of possible solutions, I would recommend Photofiltre. This program is totally free and portable (no nags) and it can be downloaded here:
    PhotoFiltre Portable | PortableApps.com - Portable software for USB, portable and cloud drives

    It is also capable of doing batch conversions and has variable (batch) quality settings. See image below:

    Click image for larger version

    So, I did a conversion of your w8_2001.jpg image (191kb original) and cut the quality to 50% (by using the slider in the image above) and the resultant image quality and new file size (26.9kb) was similar to your conversion results. The only difference I can see between the two programs is that Photofiltre is totally free and portable.

    Cheers again!
    Last edited by norepli; 25 Feb 2013 at 02:35.
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  3. #13


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    So, I did a conversion of your w8_2001.jpg image (191kb original) and cut the quality to 50% (by using the slider in the image above) and the resultant image quality and new file size (26.9kb) was similar to your conversion results. The only difference I can see between the two programs is that Photofiltre is totally free and portable.

    Cheers again!
    Thanks for the info. We learn new things from others every day.
    Yes, You did exactly what OP asks, I just provide the alternative because I don't think any zip program can do any further compression (Winzip, Winrar, 7-Zip etc...) as you already mentioned. The free program above, We need to explore a little bit more with some other images and compare the compression & resolution to see how good the result is.

    Cheers
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  4. #14


    Posts : 74
    s: XP, Win7, Win8, Ubuntu


    Quote Originally Posted by norepli View Post
    Quote Originally Posted by dperecky View Post
    Hi. I used Infozip to create a .zip file with .jpg's. A 60,718,199 byte directory of .jpg images compressed into a 59,898,728 byte .zip file. Not what I had in mind.

    I want to copy a bunch of photos... about 2.85Gig onto CDs. Any help, tips would be appreciated.
    Hi topgundcp,

    So, I thought the OP wanted to store a large quantity of JPEGs on a standard CD, "without" reducing the image quality, and that is why I responded accordingly.....
    Yeppers. Thanks for the feedback. I was looking for a 'compressor program' type of solution, not a photo-editing program biggerfile / higherquality <-> smallerfile / lowerquality compromise/solution.... Something like the Infozip -9 option- Compress Better (which doesn't really help for .jpgs, BTW).

    It's for a friend... and I didn't want to be in a position to decide for him: how small the pictures should be, and how much loss he could tolerate- to squeeze them onto the CDs.

    Tried the Advanced JPEG Compressor program. It worked pretty well though.... The pics seemed good- to me (but what do I know?). Reference above paragraph for caveat.

    The CDs was a request. A DVD obviously would work... but is a little less portable. Ended up just buying more CDs to burn all the pics with their original sizes onto them.

    Thanks for all of your responses. Good stuff here.
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  5. #15


    Webster NY US
    Posts : 325
    Win 7 / Win 8


    Quote Originally Posted by topgundcp View Post
    I said up to 1/10. Not every image will give you that ratio but here is a sample, the original image is 190K and compressed to 28K
    which is about 1.5/10
    It does look like more artifacts are introduced in the smaller image if you zoom in a little. So the program appears to basically recompress the image in JPEG format but use more aggressive lossy compression parameters.

    To the OP, does the target media have to be CDs? Why not DVD or flash drive?
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  6. #16


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    It does look like more artifacts are introduced in the smaller image if you zoom in a little. So the program appears to basically recompress the image in JPEG format but use more aggressive lossy compression parameters.
    Yes, that's exactly what it does and of course any image if you zoom it large enough, eventually you'll see some artifact but you can also adjust the compression rate so that will be acceptable.
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  7. #17


    Webster NY US
    Posts : 325
    Win 7 / Win 8


    Quote Originally Posted by topgundcp View Post
    It does look like more artifacts are introduced in the smaller image if you zoom in a little. So the program appears to basically recompress the image in JPEG format but use more aggressive lossy compression parameters.
    Yes, that's exactly what it does and of course any image if you zoom it large enough, eventually you'll see some artifact but you can also adjust the compression rate so that will be acceptable.
    I agree topgundcp. The beauty of JPEG is that you can optimize the compression versus how you want to use the image. If your objective is to view the image 1:1 on a screen and not, for example, print it at high resolution, then often times the compression level used in files is lower than necessary and one can reduce the size without visible effect by increasing the level of compression.
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Best file compressor - for .jpg files
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