How to convert jpg image as transparent image ?

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Selva Karna
Selva Karna 2017-9-4
回答： Guillaume 2017-9-4
How to convert jpg image as transparent image ?

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Guillaume
Guillaume 2017-9-4
Your question is extremely unclear. What does convert [anything] into a transparent image mean? If you start with a non-transparent image, what do you want to make transparent?
Note that the JPEG image format does not support transparency. So a jpg image will never have any transparency info. If you want to save an image that contains transparency you have to use a different format. PNG (my favorite) and JPEG2000 (completely different format to JPEG) both support full transparency.

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