Maybe a simple question

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palmas85

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Dec 15, 2003
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I have recently started downoading photos and copying photos of my own to disc. I have noticed that the photos come with diferent strings attached to their file names such as JPEG , TIF etc. What exactly do these strings signify?
 
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Aug 17, 2003
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A primer is here:
http://www.wfu.edu/~matthews/misc/graphics/formats/formats.html

The "strings" are the type of file it is. Referred to as file types, they are also known as file extensions.

JPEG (jpg) is a compressed file format, which has smaller diles but sme quality loss.
It is usual to send emaied photos as a .jpg file as they could be too large otherwise.

.TIFF is a non-compressed format, as is .BMP

Note that you cannot change file types by renaming the extension, it has to be done with image conversion software
 

911

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Mar 25, 2003
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I use a free program named IrfanView to convert images from one filetype to another. You can get it at http://www.irfanview.com/ and it is a great image manipulator. There are other programs that will do similar things, but none as easily. It is as simple as opening the image in IrfanView, and using "Save As"' to save it as a different filetype. Just select the new filetype from the drop-down menu.
 
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