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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > screenshot - to JPG - help needed

screenshot - to JPG - help needed
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Senior User
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Sep 9, 2005, 10:57 PM
 
im dying on this one. i take a ton of screenshots daily to send back and forth for several things.

problem they get saved to png files and when working with modem users its too large. is there any way to save them as a jpg directly? i always end up opening in preview, saving as jpeg with compression, etc....

hope anyone can help!
     
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Sep 9, 2005, 11:10 PM
 
You can use a utility such as Snapz from www.ambrosiasw.com
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Sep 9, 2005, 11:59 PM
 
Assuming you are using Tiger, download TinkerTool. Go to the General tab, switch the Screenshot file format to JPEG-JFIF. That is a normal JPEG. Seems like I've seen another utility that even allows you to set the JPEG quality setting, but I'm not remembering what utility it was.

If you have OSX 10.3 or earlier, download Kunvert. You can drop pictures onto it and it can convert them to JPEG.
     
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Sep 10, 2005, 12:14 AM
 
Edit: never mind, I didn't read the original poster's message carefully.
     
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Sep 10, 2005, 04:54 AM
 
Do you have Tiger (OSX 10.4)? If so there is no need to download any extra applications. Just paste this into Terminal.

Code:
defaults write com.apple.screencapture type jpg
If you want to change it back, just replace jpg with png.

You'll need to log out and back in again for it to take effect.
     
reemas  (op)
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Sep 10, 2005, 05:21 AM
 
cool tips everyone. thanks a lot!
     
reemas  (op)
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Sep 10, 2005, 05:26 AM
 
franz, is there a way to customize the jpeg compression/quality level?
     
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Sep 10, 2005, 05:57 AM
 
Originally Posted by reemas
franz, is there a way to customize the jpeg compression/quality level?
No, not that I know of.

If you use Dashboard though, there is a handy widget called Capture that lets you change the quality and file format, etc. Link.
     
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Sep 10, 2005, 06:20 AM
 
thx for that
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Sep 10, 2005, 08:16 AM
 
Originally Posted by reemas
franz, is there a way to customize the jpeg compression/quality level?
actually, there's a much easier way than all of that. If you want the default file type to always be jpg, do what was previously posted, the thing about pasting a line into terminal.

If you want to change the quality/compression rate, open the file (png/jpeg/gif... whatever) in Preview (it should be the default viewer for your screenshots. Go to Save As, pick JPEG, and voila!

No need for extra software on this one. Hope that helps.
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reemas  (op)
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Sep 10, 2005, 11:35 AM
 
only problem with that is i want it to be the default without doing that. that takes too much time for the amount of screenshots i take.
     
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Sep 10, 2005, 11:41 AM
 
Originally Posted by mpancha
actually, there's a much easier way than all of that. If you want the default file type to always be jpg, do what was previously posted, the thing about pasting a line into terminal.

If you want to change the quality/compression rate, open the file (png/jpeg/gif... whatever) in Preview (it should be the default viewer for your screenshots. Go to Save As, pick JPEG, and voila!

No need for extra software on this one. Hope that helps.
But he could do the same thing from a PNG if he wanted to. The whole point was skipping that intermediate step.
     
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Sep 10, 2005, 12:20 PM
 
So if you change the default once in Preview, doesn't it stay that way forever until you change it again?

edit: sorry. guess not.
     
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Sep 10, 2005, 12:48 PM
 
Originally Posted by reader50
... Seems like I've seen another utility that even allows you to set the JPEG quality setting, but I'm not remembering what utility it was.
...
I was thinking of the quality setting in Kunvert. I don't know of any utility that sets compression level on the screenshot.
     
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Sep 10, 2005, 06:29 PM
 
This might help -- http://www.xtralean.com/IW.html It's a free program. You set up how you want images to come out of the well (size, compression etc) and then just drag and drop the originals. It will even FTP the images to a server for you. Did I mention free? :-)
     
reemas  (op)
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Nov 25, 2005, 02:11 AM
 
thanks to franz for that awesome code!
     
   
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