I wrote earlier today about tidying up your hard disk by zipping large files. If your problem is not so much large data files but large images, and if you want to keep those images in jpg format rather than zipping them (perhaps so that they still work with your favourite image viewer or slideshow utility), then you'll need to take a different approach.
JpegMini, for example, is a free program and web site (choose either - personally I find the web site easiest) to reduce the size of images. In the example shown in the screen shot below, the site managed to reduce this photo from 3.1 MB to 0.7 MB. Which makes the file much quicker to email or print, and smaller to store.
Remember, however, that with image file sizes there's no such thing as a free lunch. If you reduce the size of an image file you're removing data from the image, even if that missing data doesn't affect your view of the file at the time. If you subsequently decide to zoom or crop the photo, for example, and only use a part of it, you may find that the amount of detail available to you has been lost forever. Therefore, if you reduce a photo in order to email it or perhaps to make it suitable for uploading to a social media site, you may want to consider keeping both the original and the reduced file on your PC.
To try out jpegmini, head to www.jpegmini.com. The web site works well and is free to use. And if you sign up, you can upload and shrink multiple files at a time.
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