RESIZING IMAGES VIDEO

  • Why Resize Images for Web Pages?
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    Why Resize Images for Web Pages?
    Why Resize Images for Web Pages?
  • Resize Image with Preview
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    Resize Image with Preview
    Use Preview on a Mac to Resize Images
  • Resizing Images: Free Mac App JPEGmini lite
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    Resizing Images: Free Mac App JPEGmini lite
    Resizing Images: Free Mac App JPEGmini lite

Resizing Images

If you have ever sent or received photos via email or attached them somewhere on the web, you know that image size can be a problem. Some websites only allow small images so they load faster and consume less memory, and getting an email with a huge image can be very annoying.  This is why we "resize" our images.  The aim of optimization is to reduce the time it takes to access a website (or run a program).

The time it takes for a webpage to display is affected by a number of factors:

  • number (and filesize) of images used on the webpage
  • structure of the underlying XHTML code, for example; setting height and width attributes enables the browser to reserve the correct amount of space for an image (before it has downloaded) avoiding the browser redrawing the webpage
  • browser’s rendering engine (how the program is used to access the web loads on each webpage)
  • browser caching: if the webpage, images, stylesheets, etc. are stored locally they do not need to be downloaded
  • user’s connection speed (i.e. dial-up modem will take longer to download a webpage than a cable modem)
  • speed of the server hosting the website
  • Internet traffic

 

 

 

The below software can be used to resize image files.

 

 

Windows Image Resizer-  Image Resizer

  • Image Resizer will install as part of Windows
  • Right-click on picture
  • Select "Resize Picture" (640 X 480)
  • Automatically resizes picture and ready to use

 

*Preview does not require downloading any software

Place all images in a folder or on the desktop

  • Right-click on the images, or command click to view this display window
  • Hover over "Open With"
  • From the drop-down select "Preview"

  • Select "Adjust Size"

  • From drop-down select 640 X 480
  • Width and Height pixels
  • Resolution 72 
  • Click OK



  • File Save

 

 

Download the free software JPEGmini App from the Mac App Store

Using the App:

  • Download to Mac
  • Open and click optimize originals
  • Create your folder and set-up Operation Mode
  • Drag photos in, click optimize automatically resizes