Image Compression: Difference between revisions

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BakaBT only allows images for descriptions that are <150kb in size. If your image is over the limit, you'll have to compress it to a file size that's acceptable.
BakaBT only allows images for descriptions that are <150kb in size. If your image is over the limit, you'll have to compress it to a file size that's acceptable.


==JPEG Compression==
=JPEG Compression=


JPEG is a format for lossy compression of images. This is the simplest and most wide-ranged used image format for compression.  
JPEG is a format for lossy compression of images. This is the simplest and most wide-ranged used image format for compression.  
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===Compression in GIMP===
===Compression in GIMP===


#In GIMP, choose to save as a JPEG. You should see this dialog box: [[Image:Photoshopjpegsave.png|thumb|right]]
#In GIMP, choose to save as a JPEG. You should see a dialog box.  
#Adjust the quality as high as possible until it's just under <150kb.
#Adjust the quality as high as possible until it's just under <150kb.
[[Image:Gimpjpgwindow.png|center|Dialog Box]]


===Compression in Photoshop===
===Compression in Photoshop===


#Go to '''File>Save for Web & Devices''' http://img502.imageshack.us/img502/8515/saveforwebservices.png
#Go to '''[http://wiki.bakabt.me/images/2/2f/Saveforwebservices.png File>Save for Web & Devices]'''
#Change the file type to drop down in the drop down box
#Change the file type to drop down in the drop down box
#Adjust the quality to find the right file size (Look at the bottom left under the preview) http://img843.imageshack.us/img843/2888/dialogbox.png
#Adjust the quality to find the right file size (Look at the bottom left under the preview)
 
[[Image:Photoshopjpegsave.png|center|Save for Web & Devices in Photoshop]]

Revision as of 10:48, 23 November 2011

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BakaBT only allows images for descriptions that are <150kb in size. If your image is over the limit, you'll have to compress it to a file size that's acceptable.

JPEG Compression

JPEG is a format for lossy compression of images. This is the simplest and most wide-ranged used image format for compression.

Compression in GIMP

  1. In GIMP, choose to save as a JPEG. You should see a dialog box.
  2. Adjust the quality as high as possible until it's just under <150kb.
Dialog Box


Compression in Photoshop

  1. Go to File>Save for Web & Devices
  2. Change the file type to drop down in the drop down box
  3. Adjust the quality to find the right file size (Look at the bottom left under the preview)
Save for Web & Devices in Photoshop