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How low is the resolution for your GIF and JPEG files?<br />
<br />
If there are really low, then I don't think you can enhance the quality of the images in the image format that you have. I am not too sure if there are such programs that can reverse it, i doubt it, as when the image is compressed some image data is lost and is not recoverable.<br />
<br />
Because:<br />
<br />
JPEG file are compressed, and it uses a destructive image compression algorithm which the quality is not reversible. Therefore JPEG files has a lossy nature.<br />
More info: <a href="http://www.prepressure.com/techno/compressionjpeg.htm" rel="ugc">http://www.prepressure.com/techno/compressionjpeg.htm</a><br />
<br />
GIF<br />
<br />
Although GIF does not have that lossy nature, but GIF files can only support up to 256 color palletes, so many colors are lost during the conversion.<br />
More info: <a href="http://www.webstyleguide.com/graphics/gifs.html" rel="ugc">http://www.webstyleguide.com/graphics/gifs.html</a><br />
<br />
Hope this helps :)
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How low is the resolution for your GIF and JPEG files?

If there are really low, then I don't think you can enhance the quality of the images in the image format that you have. I am not too sure if there are such programs that can reverse it, i doubt it, as when the image is compressed some image data is lost and is not recoverable.

Because:

JPEG file are compressed, and it uses a destructive image compression algorithm which the quality is not reversible. Therefore JPEG files has a lossy nature.
More info: http://www.prepressure.com/techno/compressionjpeg.htm [http://www.prepressure.com/techno/compressionjpeg.htm]

GIF

Although GIF does not have that lossy nature, but GIF files can only support up to 256 color palletes, so many colors are lost during the conversion.
More info: http://www.webstyleguide.com/graphics/gifs.html [http://www.webstyleguide.com/graphics/gifs.html]

Hope this helps :)

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 Hi princess_amoora,<br />
<br />
Thanks for accepting my comment and for the points. I'm glad I could be of help to you and hope that your final image is right for the job.<br />
<br />
Good Vibes!<br />
<br />
Lobo
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Hi princess_amoora,

Thanks for accepting my comment and for the points. I'm glad I could be of help to you and hope that your final image is right for the job.

Good Vibes!

Lobo

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i want to use some of the low resolution image for a sign board, can i convert any picture in gif,jpeg, etc format to a high resolution one? i tryed to copy and past in photoshop 300 dpi document but the quality doesn\t change
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i want to use some of the low resolution image for a sign board, can i convert any picture in gif,jpeg, etc format to a high resolution one? i tryed to copy and past in photoshop 300 dpi document but the quality doesn\t change

high resolution image

Websites use graphics to enhance information, assist navigation, and generally improve the user’s experience. To create those graphics, developers use any number of programs, like the Adobe Creative Suite (Photoshop and Flash have their own topics), the CorelDraw suite, Xara, Gimp, ACDSee, Serif, ULead and others.