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Need to compress JPEGs and BMPs to make file size smaller, with minor degradation to quality

I hope there's a program I can use to squeeze the file sizes while only sufferering a small loss of quality. I do not realy want to make the images physically smaller, just the file size.

Can anyone suggest a good program for this?

I don't have much money so hope it's free.  I have:

Visual Studio
MS Office, including Visio
irfranview, which does not seem to have this feature. Please tell me if it does.

Gimp 2

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2 Solutions
Farhan KaziSystems EngineerCommented:
Change the compression ratio is a solution... but quality is less than the original...
Trying convert to another type like jpg2000 or png  and look the new size.

To convert it in one shot  imageMagick it the right tool (http://www.imagemagick.org) u can do everything with the "convert" command

after the installation of imagemagick put some photos in c:\temp
open a cmd prompt go in c:\temp an run:
for /f %a in ('dir /b  *.jpg') do convert -quality 60% %a CONVERTED%a
a new photo will be created with the 60% quality factor..  


You can also use "FastStone Photo Resizer". Its a freeware and has an option of batch convert and resize.

* Features *
- Convert and Rename images in batch mode
- Convert to JPEG, TIFF, BMP, PNG, GIF
- Resize, crop, change color depth, apply color effects, add text and watermark.
- Rename images with sequential number.
- Support folder/non-folder structure.

Download it from:

or for a more in depth program (only a few steps behind photoshop) The Gimp (www.gimp.org)
newbiewebSr. Software EngineerAuthor Commented:
I tried picasaweb.com and it wasn't bad. But I wonder if Gimp can compress more.

I can't really use it, it's too complicated.

Can you suggest where I might find the features to compress images?

I have found another product - http://rbytes.net/software/picshrink-review/
(The bottom of that page, there is a whole list of other software you could use as well.

For Gimp, there is atutorial at http://www.gimp.org/tutorials/Lite_Quickies/  under "Make JPEGs smaller.
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