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Compress bmp file

Posted on 1998-11-11
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Last Modified: 2013-12-25
I scanned a few pics for my home page using various scanning software like Deskscan at college, however the file size for a 6x4 inch photo is something silly like 1.5 megs!

1. Why is that large
2. I was told to use something like Paintshop Pro to convert it to a *.jpeg file, but even then it only comes down to 200 or 300k.  How is it that a lot of the pics on the net are only 20 or 30k, load very fast and are extremely good quality.  Any tips on how to do this with mine?

3. What is the html command to have the pic displayed on a web site.  I used Adobe Pagemill but it didn't have that feature, and when I hyperlink the *.jpeg file, it starts to download it of the server.


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Question by:ey143
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Erika083198 earned 140 total points
ID: 1865898
Go to www.lview.com and follow the "download" link.  Download version 1.D2 of LView Pro (not 2.0!  1.D2 is easier to use!).  Install it and open the .bmp file.  Then Save As and choose JPEG for the format and change the ending to .jpg.

Check the file size--is it satisfactory?  If not then you can open the file in a program like Paint Shop Pro and reduce the number of colours gradually until it reaches a point where to do so any more would cause a loss in quality.  There are many compression programs that can be downloaded to do this as well.  You can find a list of them at www.davecentral.com under Graphics-->Compression.  I don't know how much it is worth to you... I like CyberView for jpgs because it allows me to choose which sections of the images I do NOT want compressed.

Even without compression, converting to .jpg format will help a lot.
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Author Comment

by:ey143
ID: 1865899
Hi

I'm looking into the software you mention and will get back to you, thanks.

Do you have any suggestions to questions 1 & 3 above at all, and a bit of q.2 also?  :)
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Author Comment

by:ey143
ID: 1865900
Hi

I'm looking into the software you mention and will get back to you, thanks.

Do you have any suggestions to questions 1 & 3 above at all, and a bit of q.2 also?  :)
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Expert Comment

by:Erika083198
ID: 1865901
Question 1:  It is that large because of the format.  All .bmp files are large, there isn't anything you can do about it. :(

Question 2:  Do you have a location where your images can be found on the web?  If they're really huge in dimensions then you won't be able to reduce the size much more.  If they're normal picture sized then I'd like to take a look at them to find out why they're so big in filesize.

Question 3:  Save the file with a .jpg ending, maybe that is the problem you are having.  Or make a page for each picture that is named "myimage.html" and in the file just put <IMG SRC="myimage.jpg">

Did I cover it all?
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Expert Comment

by:pollyanna
ID: 1865902
Paint Shop Pro 5 comes with a program called ULead Smartsaver.  You can scan in the picture and do all your work on it to ready it for web if need be and then just compress it.  You save either Jpg or Gif.  Jpegs tend to be a bit larger because you want them to be to keep the picture looking normal.  When you scan in a picture you should keep a close eye on the what you are scanning at.  If I scan a 3.5x5 picture at 100dpi what the program produces will be very large. What are you scanning at?  I scan a 3.5x5 for example at around 75-85dpi so it isn't so large and then do the ULead on it.  You can check out ULead at http://www.ulead.com  Ulead Pro is out and runs around 60.00.  I bought PSP5 for 79.95 and got Ulead with it.
Hope this helps a little bit. :)
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Expert Comment

by:reiters
ID: 1865903
make sure you are viewing the graphic at 100%.  If you are viewing at 25% on your screen then the picture will be 4X larger on the web.  Resize the picture so that it is a good size on you screen and you are at 100%.  After you have a good image size, then play with the filetype in save as in whatever graphic program you choose.

  JPEG - Great for quality photo (16 million colors)
         Can adjust comression level to suite needs.
            (May have to close and reopen the picture to see
             affect to the photo)
         Cannot adjust the number of colors

   GIF - Great for Clipart with less colors
         Can adjust number of colors to suite need
         Not too shabby on photos
         Larger file sizes for 16 million colors
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LVL 6

Expert Comment

by:reiters
ID: 1865904
make sure you are viewing the graphic at 100%.  If you are viewing at 25% on your screen then the picture will be 4X larger on the web.  Resize the picture so that it is a good size on you screen and you are at 100%.  After you have a good image size, then play with the filetype in save as in whatever graphic program you choose.

  JPEG - Great for quality photo (16 million colors)
         Can adjust comression level to suite needs.
            (May have to close and reopen the picture to see
             affect to the photo)
         Cannot adjust the number of colors

   GIF - Great for Clipart with less colors
         Can adjust number of colors to suite need
         Not too shabby on photos
         Larger file sizes for 16 million colors
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