Posters Size

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lori2018
Posts: 4
Joined: Sun Jul 30, 2017 6:57 am

Posters Size

Postby lori2018 » Mon Jan 22, 2018 12:55 am

How do you get the poster image to save to 680x1000 to be less than 500kb?

Mistywing
Site Moderator
Posts: 530
Joined: Mon Jul 18, 2016 1:59 am

Re: Posters Size

Postby Mistywing » Mon Jan 22, 2018 10:11 pm

I use GIMP's preview before export function and adjust the JPEG compression quality parameters until the preview reports a size less than 500KB.

Turning down the quality slider is the main way of adjusting for size. Subsampling can also be halved or quartered in special cases. DCT method Floating-Point provides a minor reduction in size as well.
Smoothing is not recommended as it will make things blurry, but is also a way to reduce the size.
Removing EXIF, Thumbnail, XMP and comments also reduces size.

Image