.jpg images too big for uploading, need to use gimp to downsize them, but how?

xyla · 07-14-2008, 03:06 AM

I need to downsize my .jpg images so that they are under 100x1024 bytes (100kb) using gimp image editor.
how do i do this??
is there any other better image editing software that could be recomended?

acid_kewpie · 07-14-2008, 03:13 AM

jsut click Image, Scale Image (or similar). Exactly the same place you'd find it as photoshop.

rikijpn · 07-14-2008, 03:23 AM

If you just want to resize only one file, then gimp would do fine. But if you want to change the size of lots of pictures then you'd better use something from the command line. If you use TeX you probably have a program called convert. It is not released under the GPL, but you still can download it free. With convert you could just

Code:

convert -resize 100x100 image1.jpg image1-tiny.jpg

and get a REALLY tiny version of a file selected. There are of course more options ("convert -help").

jlinkels · 07-14-2008, 06:10 AM

That makes really small thumbnails! I guess rikijpn intended:

Code:

convert -resize 1024x1024 image1.jpg image1-tiny.jpg

and I would add:

Code:

convert -resize 1024x1024 -quality 75 image1.jpg image1-tiny.jpg

to reduce the quality a little bit, not noticable on screen but saving a few kb.

jlinkels

pixellany · 07-14-2008, 07:42 AM

I thought "convert" was part of the ImageMagick suite. ImageMagick provides an incredible range of tools for photo manipulation.

But---yes---for just one picture, use "scale" in GIMP.