General Question

ANef_is_Enuf's avatar

Is this a problem with Gimp or with Photobucket?

Asked by ANef_is_Enuf (26789points) August 6th, 2010

Suddenly if I save an image as a .png it looks fine when I have it open in Gimp. However, when I upload it to the web (on photobucket) it shows up very dark and discolored.

However, if I save it as a .jpg, it does not seem to have the same problem. Where should I be troubleshooting? Is this an issue with photobucket, or does it have something to do with how Gimp is saving my images suddenly?

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4 Answers

llewis's avatar

I don’t know anything about photobucket, so I apologize if this is not helpful. I would suggest:
1) View the image using a different browser – I’ve had issues with png graphics with some browsers but not others – and not all pngs, either.

2) Try uploading using a different method, if possible.

Does the png look good when opened using any other program? Can you view the png off your hard drive using your browser and see what it looks like that way (“open with…” or “open file…”)? Might help narrow down the problem, at least.

saraSKELLINGTON's avatar

Most likely in all my days of uploading photos, this happens to me a lot. its a photobucket problem for sure. Photos seem to go through this process whenever they are uploaded, they get darker. Myspace does the same thing. The only thing i can offer for you is to lighten your pictures a little more than normal to get that picture that you want. But becareful, dont over expose it! I hope it goes well for you!

mystica555's avatar

Its a combo of both actually. :)

GIMP by default saves the PNG Gamma. Some implementations of PNG decoding software end up seeing that gamma as a weird value and then your colors get screwy.

When the save dialog box comes up for PNG, unselect the “Save Gamma” option. I’ve yet to have a problem since I did that.

ANef_is_Enuf's avatar

@mystica555 thanks, I didn’t know that. :) I ended up switching to flickr, which helped tremendously… but that is definitely good to know.

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