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Making JPEG Transparent
Old 09-22-2004, 05:49 AM Making JPEG Transparent
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I do have a JPEg and I use Jasc Paint Shop Pro. I also have (but not using it Flash and Fireworks). How can I make the jpeg Transparent. I dont want the background to be transparent, what I want to achieve is to make the whole pic verry lighter and softer. At this point in time it is nice and bright but it must become almost a watermark picture.

How cabn I achieve this?

Thank You
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Old 10-04-2004, 02:00 PM
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Your not getting an answer because this is too easy to waste time to answer. I laughed at this post myself because it is a grade school question. Try looking around at the GUI and you'll see plain as day. Obviously you haven't tried hard enough to solve the problem yourself. BTW, you can't make a jpg transparent.

P.S. I'm not trying to be mean, just trying to show you your mistake in posting very simple problems.
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Old 10-04-2004, 03:03 PM
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frik,

Load the image into PSP, go to the layer palette and add a raster layer. If it is not already, use your fill tool to make it completely white (or whatever color you want the watermark to appear over). Be sure that the layer containing the JPG image is on top.

Reduce the opacity (done with a slider on the ride side of the layer palette) until the image looks like you want. Use the export tools under the File menu to spit the image back out as a JPG (it will complain that you image will be flattened or merged; that's fine).
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Old 10-05-2004, 03:31 AM Thank you
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Thank you for the advice. It worked. I never "played" around with graphics, so i am still in kindergarden. Enjoy your day
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Old 08-01-2007, 08:43 PM Re: Making JPEG Transparent
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You can also use the TransparentJpeg Flash script available from here,

Ed
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Old 08-01-2007, 11:43 PM Re: Making JPEG Transparent
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Jpeg files don't understand the concept; you'll need to use a gif or a png file. That's not the kind of thing that would be obvious until you've spent too many hours in Photoshop.
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Old 08-02-2007, 08:27 AM Re: Making JPEG Transparent
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Intersting, I thought JPG and GIF were the only ones that can be transparent.
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Old 08-02-2007, 12:24 PM Re: Making JPEG Transparent
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JPG - no transparency option
GIF - transparency option - usually smaller files
PNG - transparency option - usually larger files
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Old 08-08-2007, 10:45 AM Re: Making JPEG Transparent
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png-24 offers the best options including alpha transparencies, however it ends up with large file sizes, so one has to use it quite sparingly.
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Old 08-08-2007, 11:58 AM Re: Making JPEG Transparent
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Jpeg was never borned to be transparent
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Old 08-08-2007, 12:49 PM Re: Making JPEG Transparent
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Can't you just save it as a gif and then make it transparent? do you have PSP? It's real easy in there and irfran view will save it as a gif for you...just a thought. I'm not the best graphics person, but have done this in a pinch a few times.
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Old 08-08-2007, 12:57 PM Re: Making JPEG Transparent
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Can't you just save it as a gif and then make it transparent?
The thing is that gif are limited to 255 colors (8bits: 2^8 = 256 - 1 color for transparency), when png/jpg are more than 4'000'000'000 colors (32bits: 2^32 = 4'294'967'296)

To convert a jpg to gif, you wil need to reduce the available colors in the image, and it can be pretty visible for an image with a shading.

Something else I'd like to add about png, is that's they have a full alpha-blended layer, meaning that you can have 34% opacity, or 67%.

Gif have nothing near that. They define 1 color as being transparent, and that color is either 100% transparent, either 0%.
No smooth blending like in png.
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Old 08-09-2007, 02:21 PM Re: Making JPEG Transparent
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nice, thanks for the script Javabase.
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Old 08-14-2007, 12:37 PM Re: Making JPEG Transparent
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...PNG's rule BUT there is a problem with IE5.5+ that (surprise-surprise) cannot render transparency right... There is a fix to this and it's dead simple...
check: http://www.twinhelix.com/css/iepngfix/
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Old 08-14-2007, 10:16 PM Re: Making JPEG Transparent
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Originally Posted by tripy View Post
The thing is that gif are limited to 255 colors (8bits: 2^8 = 256 - 1 color for transparency), when png/jpg are more than 4'000'000'000 colors (32bits: 2^32 = 4'294'967'296)
But in fairness, an adult human can distinguish less than 16 million different colors.

Still, the jump from 255 to several million is a huge one, and anything with any amount of gradation is likely to suffer from gif format. On the other hand, IE doesn't play nice with png files. Pick your poison.
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Old 08-16-2007, 06:19 PM Re: Making JPEG Transparent
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Photoshop -----> Layerstyle ----> blending options

decrease opacity.
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Old 08-16-2007, 06:24 PM Re: Making JPEG Transparent
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Wow, how did this get brought back to life!! lol! Look at the Original Post date: 09-22-2004!
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Old 08-16-2007, 07:48 PM Re: Making JPEG Transparent
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Post #5, by Javabase, who joined our forum purely to bump a 3 year old thread so he could drop a link. He hasn't been back since - that makes me sad and lonely.
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Old 08-17-2007, 08:31 AM Re: Making JPEG Transparent
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JPG - no transparency option
GIF - transparency option - usually smaller files - Crap transparecy
PNG - transparency option - usually larger files - Good Transparecy

Sorry MrTom-UK there was a little bit of info that you left out
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