Feature is neat but it looks like it converts images with a transparent background (png) to jpg by default. Would be nice if it asked if you want to keep the transparency or not and then choose a format to convert to. From reading the blog post, it sounds like it is supposed to check for transparenc…

There may be a bug. Can you share a image where this problem happens?

Yep, there you go Dropbox - CorePatchnotes_Banner.png - Simplify your life

Well, I just tried it here and the new feature is completely skipping this image: Transforming CorePatchnotes_Banner.png Image has transparent pixels, won't convert to JPEG! Looks like it’s getting converted into a JPEG server side, so it’s not related to the new Client side image optimization ena…

Interesting, thanks. Is there any why I could have noticed that without looking at logs? Also this means I have to disable the feature for now, sadly. Should I post in the other thread as well about it? I think it should at least be an option to keep transparency.

[图片] Stanzilla: this means I have to disable the feature for now, sadly The client side image optimization can be left enabled, as it respects transparent files. The feature you need to disable is the server side PNG to JPG conversion.

Ah! Thank you, that option was not quite clear to me, just noticed right now that you can set the quality to 100 to disable the conversion.

@Falco I had trouble interpreting that hint as well for the png to jpg quality setting. Perhaps a tweak to the wording would help here too? R

PNG 带有透明度上传后被转换为 JPG

支持

robbie.morrison (Robbie Morrison) 2022 年4 月 5 日 16:54 9

@Falco 我也难以理解关于 png to jpg quality 设置的提示。也许调整措辞也能在这里有所帮助？R

No strip image metadata works for PNG but not JPG

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Why default to converting PNG to JPG? Feature	22	4269	2025 年8 月 7 日
Very small PNGs are inappropriately converted to JPGs Bug	23	1940	2018 年11 月 23 日
Problem with category image transparency Support	11	1464	2021 年3 月 5 日
PNG Converts to JPG? Support	3	764	2021 年1 月 22 日
Remote image conversion ignores jpg quality setting Bug	2	462	2021 年8 月 30 日

PNG 带有透明度上传后被转换为 JPG

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