Re: [libreoffice-users] exported PDF file size

Hi :)
I was wondering how this has gone so far?  Have you been able to get significant 
reductions?  Pdf itself is a compressed format so it might be possible to simply 
increase the compression rate although that might significantly reduce quality.  


I sometimes open pdf in gimp and re-save as gif but again there is sometimes a 
loss of quality and anyway it might well not be appropriate for what you need.

If the 20Mb size is inconvenient for email or posting onto a website then 
perhaps a different metod of transferring the file might be better?  Usb-stick, 
memory card, Cd, perhaps one of those tiny business card Cds, and then normal 
postage?

Good luck and regards from
Tom :)




________________________________
From: Daniel A. Rodriguez <daniel.armando.rodriguez@gmail.com>
To: users@libreoffice.org
Sent: Sat, 30 April, 2011 1:55:32
Subject: Re: [libreoffice-users] exported PDF file size

> Hi :)
> I tend to save pictures in 3 different formats to see which gives the best
> result for the least size.  I would always keep a copy of the original.
>
> Gif tends to be about 1/10th the size of jpgs or pngs but it doesn't work
> well
> on smoothly changing shades so some of the pictures on pages 15, 17, 19,
> 20, 26,
> 57, 79, 81, 111, 116, 120, 127, 135, 136 and 139 might not work well but
> all the
> rest will probably be better as gifs.
>
> To change formats in Ubuntu just install gimp

I've got it


> and use "Save As ... " the change the file-ending from .jpg (for example)
> to
> .gif.  Sometimes png is lighter-weight or sometimes jpg although usually
> those 2
> formats tend to be better for photos.  Png tends to be higher quality than
> jpg
> but it is also often lighter-weight.  Not always tho which is why i try all
> 3
> before committing myself to 1.
>
> Note that just changing the format of an image can cause it to degrade a
> bit or
> even a lot and changing the entire document to pdf can cause further errors
> to
> creep into images.  At the moment all your images looked fine to a quick
> "squint
> test".
>
> Do you have all the separate images available to work from?  Can you create
> a
> new folder for testing different formats?

will play with that

thanks

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