Re: Re: photo file size

On Wed, 2008-10-01 at 18:34 +0200, Maciek Sokolewicz wrote: > elk dolk wrote: > > > > > > > > Hi All, > > > > I have some photos with different file sizes like 100KB 125KB 200KB ,… > > I want to shrink them and reduce the > > file size to Max 60KB without sacrificing image > > quality and size! > > Without sacrificing size AND quality? So you don't want to lose enough > data to get to a max 60KB amount, without actually losing data... wow, > that won't be easy; or even better, it will probably not even be > possible. Maybe he has uncompressed bitmaps (yeah I know it's unlikely :) > Changing formats makes the size smaller, but always loses some > detail/modifies the image slightly (eg. from bmp to png loses alot of > data, but unfortunately also some (little) quality). > > So, decide which you want to sacrifice, and do it. Depedning on how his files are stored, he may get some extra compression out of a PNG by upping the compression factor without quality degradation. If he has uncompressed bitmaps he will benefit greatly. I think I've found alos that jpg compresses better than gif (with 100% quality setting). Beyond that a 5 to 10% quality loss on jpg is often minimally adverse to the the visibility but strongly depends on what kind of detail is in the picture. > > PHP should have a solution for reducing the size of files in Batch. > it does, it's called writing a function and calling it for each of the > files in the batch. > > > > Please comment. > > thanks > Your request is unreasonable and should be better phrased :) Certainly could use some improvement. Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP