Windows 10: File size not reducing when changing image size

Discus and support File size not reducing when changing image size in Windows 10 Support to solve the problem; I have a 16 mg image, 4500x3000. I resized all the way down to 100x100 and the file size won't change from 12.4 or so. This is true for all photos in a... Discussion in 'Windows 10 Support' started by joshman108, May 31, 2016.

  1. File size not reducing when changing image size

    I have a 16 mg image, 4500x3000. I resized all the way down to 100x100 and the file size won't change from 12.4 or so. This is true for all photos in a certain file I downloaded from online. They are appliance products. I tried downloading a random, even larger image from google, 26mg, 12000x8000 or something like that and changed it to 2000x1500 or so and the file size went to a respectable 1.5mg. I am resizing with windows photo gallery and my coworker tried photoshop with the same results, though I don't know what settings.

    I redownloaded the files I am having trouble with and that didn't work. I'm not sure what to try. Can't find much online. Any ideas?

    Here's one of the images
    WF45K6200_-_BLUE_8.jpg - Google Drive


    joshman108, May 31, 2016
  2. crazyfan Win User

    N8 Theme Wallpaper - Picture Size

    I do not use large images as wallpaper. If possible, you should change the image size to suit and reduce its size.
    crazyfan, May 31, 2016
  3. BulldogXX Win User
    Windows 10 no longer automatically reduces the size of a photo to attach in an email. WHY

    The only way to reduce the size of a photo is to reduce the number of pixels in the image, which reduces the quality of the image. But when an image is visually smaller, you don't notice the degradation. Take a reduced size image and compare it to the original
    when both are at the same size visually, e.g. both are 4x6 or 5x7 and you'll notice the difference.

    Therefore, if you're reducing a photo to include it in an email or a Word document, for example, make sure to reduce a
    copy of the original photo. If you reduce the original, it's reduced forever.

    Someone had to tell the software how much in size to reduce the picture (e.g., 75%, 50%.) Windows can't make that decision on its own. If you don't recall telling the software what size to use, it was probably using a default value programmed by the developer.

    Going forward, attaching a photo to an email just to get it reduced in size is a convoluted method, no? No need for that when there are so many good (and free) photo resizers available for download. Just be sure that when you install a photo resizer, that's
    the only thing you're getting, i.e., no viruses or add-on programs you didn't ask for.
    BulldogXX, May 31, 2016
  4. Berton Win User

    File size not reducing when changing image size

    It seems to be an embedded image on a Web page/.html. I pressed the PrintScrn key then opened Paint/MSPaint and Pasted then used Select tool and Cropped it, got a file size of 361KB and image size of 807 pixels by 541 pixels.

    File size not reducing when changing image size [​IMG]
    Berton, Jun 1, 2016
  5. philc43 Win User
    I have just resized it using GIMP. It is now 64kB and is 1000 x 667px with a resolution of 150px/inch

    File size not reducing when changing image size [​IMG]
    philc43, Jun 1, 2016
  6. I'm not sure what you mean, berton. My file says .jpg. Also, I don't want to print screen because I need the image as large as possible. I just need a lower file size, it seems unreasonable to stay so large.
    joshman108, Jun 1, 2016
  7. philc43 Win User
    Perhaps you can explain what you want to do with the image. Is it for a large poster print, if so what size do you want it to be?
    philc43, Jun 1, 2016
  8. File size not reducing when changing image size

    I work for an appliance retailer and I just need to upload it to our site for a product. I would like to retain the original size if possible. I deal with other images this size, or close to it, and their file size is never this big. The problem is the file size exceeds what I can upload to our site.
    joshman108, Jun 1, 2016
  9. philc43 Win User
    The original image had a resolution of 300px/inch. The image was 4500 in length so when displayed at that resolution it would be 15 inch in length. In practice for screen viewing you only need around 70px/inch for viewing quality on a monitor. So for the above image you would only need a size of around 1000 x 667px at a resolution of 70px/inch and the image could be viewed at a screen size of about 15in x 10in with acceptable quality. The file size will be the same as the one I posted (64kB).
    philc43, Jun 1, 2016
  10. That is true, but on these sites you can hover for a zoom-in view which is important at times when you are trying to read things on a product or something.
    joshman108, Jun 1, 2016
  11. philc43 Win User
    In that case you might want to increase the image size to around 2000 x 1333 to allow for a zoom. Even so the final file size should still be less than 200kB.
    philc43, Jun 1, 2016
  12. Berton Win User
    The .png format is more or less the default format when saving images but can always be change to .jpg as desired.

    Keeping the image size but reducing the storage size calls for reducing in number of pixels or changing some of the coloration or number of color layers, I don't get involved in that as it can be quite time-consuming.
    Berton, Jun 1, 2016
  13. Barman58 Win User

    File size not reducing when changing image size

    The DPI for screen reading is 72DPI for Apple MAC and 96DPI for PC 300DPI is used for print purposes

    when you create an image for the web you should save in either JPG or PNG format and set the compression ratio to whatever quality you find acceptable PNG is a later format than JPG and therefore gives better results generally, although if quality is not so important JPG can be made smaller.

    Basic rule is the smaller the file - the lower quality the image.

    One technique used on the web is to have a small low quality image that works as a link to an second higher quality larger image which acts as a pop-up, (this is what is seen in the magnified images used on Amazon and other similar sites using PHP, Java Etc)
    Barman58, Jun 1, 2016
  14. AndreyT Win User
    The file in question contains a huge blob (~12 MB) of textual metadata (see Extensible Metadata Platform) embedded into the file after the actual image data. It begins with

    Code: <?xpacket begin= ...[/quote] That metadata is not image data and its size does not change regardless of how you change your image. The tools that you used to resize the images carefully preserve that metadata, which is why your files never go below ~12 MB in size.

    Load your images into any editor and issue a "Save As..." command into some other format, like PNG. This should get rid of that metadata blob. After that you can convert your image back to JPG and resize it any way you wish. From that point on you will be able to reduce file size below 12 MB.

    There are probably dedicated tools that can simplify the process of stripping that metadata from the files.
    AndreyT, Jun 1, 2016
  15. That finally did it, thanks so much. I figured there was something else bogging it down but didn't know to change file type.
    joshman108, Apr 4, 2018

File size not reducing when changing image size

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