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Here is a good comparison of them: http://info.eps.surrey.ac.uk/FAQ/standards.html Basically jpeg is lossy and png is not
so you need to weigh up quality vs compression
I want quality for sure but I want a file extension that is popular (you know to upload on a webpage)
such as OpenStudy
Hi Myininaya, The jpeg format allows for image compression, so it looks for similarities in colors in the different areas of the pictures. If the picture is at night and there is a black sky in the background, jpegs compress that part of the picture to allow save on memory. You can keep jpegs pretty clear, but you have to do it by saving it without a lot of compression. You can do that in Photoshop and other photo editing programs, some of them are free. The same programs can convert from one format to another. You have to make sure to use those programs though. Changing the file extension by itself will make the image unreadable. A couple free programs are: http://picasa.google.com/, and http://fotoflexer.com/.
PNG is now very widely supported
JPEG is most suitable for real-world pictures you take with a digital camera, whereas the PNG format is nice for those icons and graphics you design in software .
Pretend like there was this person named @rebeccaskell94 and she was having issues with a png file I gave her...and that is all I really know...she was having trouble uploading this file to some site *cough openstudy cough*
I don't know if it is windows to mac thing or not
I think she had mac and I had windows
PNG is an open standard
so .png files as profile pictures don't work? or you can't download .png from OS?
so it should make no difference if you have a Mac/Windows computer
what exactly is the problem being experienced?
upload to OS*
I think this avatar I'm using was a png though
all images I use on almost any site (including OS) are png files
a good test would be to ask her to open locally on her machine - say in the IE browser
Gosh I don't know then. Hopefully @rebeccaskell94 can make some sense on her end. Thank you guys for attacking this question. You all deserve medals.
And this might have been a computer science/feedback question...lol.
haha Sorry Myin!! my bad. U I have to save the pic to my desktop to change it's format and it gives me like a dozen options but the few that OpenStudy actually accepts, are all blurry. :/ I'm on a mac haha
@shadowfiend I might should have put this in the feedback group but it also sounded computer sciencey. Anyway what do you think a good file extension would be if you don't want to lose a lot of prettiness in your avatar?
I have a mac as well and always use png format pics with no issues.
well here let me show you meh picture...give me just a sec
Whenever she tried to use it, it would show up blurry because of switching file extensions I guess.
ummmm I guess it worked. o.o weird.
xD idk why! Last time I saved it and tried people kept telling me my picture was blurry (it was) Oh well, I look like a boss now. My orange hair, and all.
looks like rebecca is going viral! :)
Is that good or bad?
it faaaaaantaaaaastic! :D
haha YAY *high 5* :D
Yeah, for the record, stick to PNG if you don't want blurriness. OpenStudy, Windows, and Mac OS X should all support PNG out of the box. Mostly because it is one of my favorite file formats EVAR :p
Thanks again all! :)
haha @shadow and yes! Thank you all so much!