looking for 400 x 100 PIXEL image

Dear Experts,

I am looking for a picture in the size 400 x 100. I want to check the size of this type of pic.
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Habib ZakariaNetwork Solutions ArchitectAsked:
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Joe Winograd, Fellow&MVEDeveloperCommented:
Attached is a picture that is 400x100 pixels, but keep in mind that "size" (by which I assume you mean number of bytes in the file) depends on additional factors, not just number of pixels. To understand these other factors, I recommend Wayne Fulton's excellent site, A few scanning tips — in this case, specifically the sections Pixels, Printers, Video - What's With That? and What is a digital image anyway?.

Also, for a specific discussion of how pixels relate to picture size, this is a worthwhile read:
How do pixels and DPI and resolution and picture size and file size all relate?

It's the wee hours for me and this is my last post of the day. If you have any follow-up questions, I won't see them until 7-10 hours from now, at which time I'll be happy to respond. Regards, Joe
400x100-24-bit-color.jpg
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Mal OsborneAlpha GeekCommented:
Grab a copy of The Gimp, free image editing software. This will let you rescale images and play with different formats and compression rates. a 400 x 100 picture stored as a JPEG could be under 10K. For any compressed format, particularly "lossy" ones, colour depth, image complexity and acceptable quality all made big differences.

Attached are the same image, stored as a BMP, a  low compression JPEG and a  highly compressed JPEG. File sizes  are 156Kb, 20Kb, and 9Kb.
115.bmp
115lc.jpeg
115hc.jpeg
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Joe Winograd, Fellow&MVEDeveloperCommented:
Yes, the GIMP is fine, so are GraphicsMagick and IrfanView and ImageMagick (all free) and others. Regards, Joe
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