Hi gang! I’m setting up my first ghost site, and I really like it so far! This is my site: https://121gigawatts.org One issue I ran into, and which has already been asked once or twice on this forum, is how to configure image compression. I’m unhappy with the JPEG pixelated artifacts on my hero b…

Alright! I went ahead and manually resized my image to the w2000, w1000, and w600 presets, put them into my forked casper theme in /assets/images, created a custom CSS class just like .responsive-header-img in header-background.hbs, and used direct links to my resized assets. See here: Use custom he…

Here’s the GitHub issue I’m referring to: Image transformation with no compression/resizing looses quality · Issue #1360 · lovell/sharp · GitHub

And here’s the problem image, as resized by Ghost automatically: [Gigawatts-01-Cropped-Ghost]

Sounds like you already figured out the correct and expected way to work with images :wink:

Hi John, I found a way to make this work for this particular image by making it part of my theme, sure. However, the underlying issue still exists, and still affects any image that a user adds to their blog post: the image will be compressed with 80% quality by default, which often causes visible ar…

Seeing a similar issue, is there a way to edit the compression quality to 95 or 90%?

I am also looking for an option about the image quality/compression. The default quality for JPEG files is 80% which is way too low for me. It has been a while now and I don’t see any other possibility than uploading png files images in order to preserve the image quality…

It has always been possible to disable - this is not new and has not changed. It’s all in the docs! :)

Image Compression Configuration

Developer help

zoltanmaric August 23, 2022, 4:12pm 9

It seems like compression can at least be disabled now: Requisite sharp features/API to enable configurable image compression? - #4 by John

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Image Compression Configuration

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