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Weird scenario: Different File sizes in same jpg

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Old 09-13-2009, 03:36 PM
remake remake is offline
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Weird scenario: Different File sizes in same jpg

Few years ago I have been presented with the following scenario which I tested and to my amazement I couldn't explain it back then. Nowadays I know it can't be true as I started to study JPG compression and the JPG file size is in no way associated with it's extension.

The scenario. My friend comes and says: You won't believe me. Save this image as .log.jpg instead of only .jpg and you will get a smaller file size under the same compression. I thought this was the most stupid thing I heard all day. Well, somehow he was right. Arguably I think now the file saving was done in Paint not Photoshop and there you can't set your compression like in Photoshop.

I bet everyone will now agree with my opinion. Paint was probably offering different compression, but the question is why?

Also, if someone can test this in Photoshop too it will be awesome. I don't have it installed on my laptop right now.
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Old 09-16-2009, 12:59 PM
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aartist aartist is offline
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Re: Weird scenario: Different File sizes in same j

Paint Shop allows different compression JPG saves.

Last edited by aartist; 09-17-2009 at 06:43 AM.
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Old 09-17-2009, 05:07 AM
Quantum3 Quantum3 is offline
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Re: Weird scenario: Different File sizes in same j

if a normal Jpeg and that one you mention have dofferent sizes in KB then that's.
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