From the course: Photoshop Masking and Compositing: Fundamentals

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Saving an image with alpha channels

Saving an image with alpha channels - Photoshop Tutorial

From the course: Photoshop Masking and Compositing: Fundamentals

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Saving an image with alpha channels

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In this exercise I'll show you how to save Alpha Channels along with your image file here inside Photoshop. Now you'll note that I'm still working along in the toolman.jpg file. I have unsaved changes as indicated by this asterisk outside of the parentheses here in my Title tab. If you're going to follow along with me in this exercise, you'll have to make sure that you've followed along with a previous couple of exercises and you're ready to save your brand- new Alpha Channels as well. Now the reason this is so important is because we're starting with a JPEG file and JPEG does not support Alpha Channels. It does support up to four channels where we saving, for example, a CMYK image, but you cannot save three color bearing channels along with an alpha, which is pretty interesting given that the JPEG format came around about 10 years after Alpha Channels. However, there is a variation on JPEG called JPEG 2000 that does support Alpha Channels. The problem is it's never really caught on…

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