How to reduce the image weight using asp.net, without lose of image quality and image pixels. For example i have an image with the size of 4 MB (3024*2045), so how to reduce the image weight ie 4 MB to 1 MB without lose quality in the same pixels ie(3024 * 2045) using asp.net. Please help

Thank You

I don't have the answer but can maybe help to point you in the right direction.

What you are looking for is a lossless image compression (so that no quality at all is lost). I don't think it would be possible to ahceive the reduction in file size you are looking for using lossless.

Lossy may get you closer but some amount of quality may be lost (even if hardly visible). Also this will depend on the format your files are already in - jpeg is already compressed (and generally lossy).

This may help - http://en.wikipedia.org/wiki/Graphics_file_formats

Hi shibbard

Thanks for your comments. I will check and get back to You

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