Forums
New posts
Articles
Product Reviews
Policies
FAQ
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Menu
Log in
Register
Install the app
Install
Forums
Digital Lifestyle
Images, Graphic Design, and Digital Photography
Trying to reduce the size of jpgs by reducing resolution - doesn't work
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="RadDave" data-source="post: 1835930" data-attributes="member: 234411"><p>Well, in my first pic, there are 2 numbers given in size, i.e. 3.2 MB & 4.8 MB - since these are lossy JPEGs, maybe the size on my camera's SD vs. the size Preview might make an adjustment is a possible explanation - this could be tested by using a lossless format, such as TIFF - have not given it a try?</p><p></p><p></p><p></p><p>The resolution (i.e. the interchangeable terms, dpi or ppi) if changed w/o reducing the number of pixels will only expand or compact those pixels into different dimensions whether on screen or on paper; the image size will remain the same. So, pixels must be removed to reduce the 'file size', which you already knew. Dave</p></blockquote><p></p>
[QUOTE="RadDave, post: 1835930, member: 234411"] Well, in my first pic, there are 2 numbers given in size, i.e. 3.2 MB & 4.8 MB - since these are lossy JPEGs, maybe the size on my camera's SD vs. the size Preview might make an adjustment is a possible explanation - this could be tested by using a lossless format, such as TIFF - have not given it a try? The resolution (i.e. the interchangeable terms, dpi or ppi) if changed w/o reducing the number of pixels will only expand or compact those pixels into different dimensions whether on screen or on paper; the image size will remain the same. So, pixels must be removed to reduce the 'file size', which you already knew. Dave [/QUOTE]
Verification
Post reply
Forums
Digital Lifestyle
Images, Graphic Design, and Digital Photography
Trying to reduce the size of jpgs by reducing resolution - doesn't work
Top