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Screenshot Firefox (mac) full page not in .png

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Hi, When I take a screenshot in Firefox Developer Edition (67, mac), "Save visible" > Download, gives me a .png screenshot, whereas "Save full page" > Download, gives me a .jpg screenshot. (A Page with pictures). Taking a screenshot of this page, "Save full page" > Download, gives me a .png screenshot.

Why this inconsistency? I don’t like this functionality being "smart", I just need a screenshot in .png, with and without pictures in the page.

所有回复 (1)

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Although I wasn't a replicate this issue in my version of Firefox, it seems that Firefox Screenshots will change from PNG to JPG if your image reaches a certain size. This is to save space and time for users downloading images.

There seems to be a bit of confusion as to whether a way to override this has been implemented (see reported issue). It's probably best for you to file an issue with them, since they are the ones that develop it.