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.tiff or .psd, which is better

 
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Dazz.W



Joined: 21 Apr 2007
Posts: 1

PostPosted: Sat Apr 28, 2007 1:48 am    Post subject: .tiff or .psd, which is better Reply with quote

I am thinking of converting all my jpeg files, is it better to convert to .tiff or .psd. What are the advantages?
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Dierk



Joined: 14 Jan 2005
Posts: 630
Location: Hamburg (Germany)

PostPosted: Sat Apr 28, 2007 9:08 am    Post subject: Reply with quote

PSD is highly proprietary. I forgot when but sometime in the past [PS v4 or v6] Adobe decided to not make documentation on PSD available to third-party developers. Thus other programs are unable to open PSD's later than the cut-off version.

This is why Adobe invented Maximise Compatibility, a fancy name for simply saving a flattened v4 [or v6, see above] PSD within the file. Obviously any size advantage PSDs may have over TIFFs are foresaken.

TIFF is a universal format, openly documented. With Adobe CS Bruce Fraser started to recommend and use TIFF instead of PSD because from then on Photoshop could save everything in TIFF it can save in PSD [layers etc.]. Works well in theory, unfortunately most programs supporting TIFF do not [yet] support these features - making it almost as unusable as PSDs.


My personal take for your specific situation: convert to TIFF, save them as your "raw" originals. Whenever you work on them, save the working copy as PSD with all layers etc. kept intact. Back-up both, the original TIFF and the working PSD.
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John Bean



Joined: 24 Jun 2006
Posts: 245
Location: Lancashire

PostPosted: Sat Apr 28, 2007 9:29 am    Post subject: Reply with quote

Dierk wrote:
My personal take for your specific situation: convert to TIFF, save them as your "raw" originals. Whenever you work on them, save the working copy as PSD with all layers etc. kept intact. Back-up both, the original TIFF and the working PSD.


This is a good suggestion. It's worth noting out that .psd is not really needed for its special features any more because Photoshop can now save exactly the same information in a TIFF that it can in a .psd, but in this case it makes it simple to keep an original and a working copy without naming conflicts or the possibility of confusing which is which.
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