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TIL: The Best Way to Compress JPG Files with ImageMagick

Audrey Roy Greenfeld on April 09, 2020

Got a JPEG that's too big to upload? Lazy to open Photoshop? ImageMagick to the rescue! What Is ImageMagick? ImageMagick is a tool fo...
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Renaud Kyoku •

Thank you for the article!

Option 3 gave me... Well, a blurred image, even using the unsharp option mentionned in a comment.

Using option 1 gave me better results than plain PHP resizing using gd2, at the cost of a slightly increased file size + processing time.

Stay safe,

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Clément Larduinat •

Thank you !
I'll test the sampling factor.
If the compression is associated with a resize (responsive picture breakpoints) I use a unsharp rule -unsharp 0x0.75+0.75+0.008 to counteract the blurry inherent of resolution reduction.
Also test the webp format.

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Audrey Roy Greenfeld Feldroy •

Thanks for the feedback, Clément! About testing the sampling factor, let me know how that goes! Those are good ideas about the unsharp rule and webp...I'll play with those.

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vamshi •

Thanks for your article..
It helped me get the best image compression output for my website ( compressjpeg.online).

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Fabio Tosto •

This producthunt.com/posts/compress-image