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Discussion in 'Jailbreaks and iOS Hacks' started by BornToMac, Feb 27, 2009.
Do any of you guys know of a good .png converter for files taken off of the iPhone?
Ever tried renaming it photo.png?
You might have to do that in some sort of photo editing program depending on your OS, but with Linux a simple rename is all. Just open it with your favourite editor, then go to File, Save As, then name it and save it as a .png.
Right, or I could just do that on my desktop. However, when I take a .png image off of my iPhone and try to open it in photoshop or preview, it doesn't recognize the image. So what I am looking for is a converter or method to open / modify those files.
I saw a utility that did this a while back.
Don't remember what it was called, but just search around on Google a bit. That's how I found it.
So your software wont recognise the photos before, or after renaming them? You should be able to just open the .jpg files that are from the phone into some photo editing software, then save it as a .png.
I think on Mac if you rename it a different file type it may corrupt it, not sure though. I can't check because I'm monitor-less at the moment
And on Windows you can right click, then go to "Convert to". That should work.
Modmyi gave a link to this website, which will convert the apple png file for you to an editable png format:
I haven't used it myself but Modmyi are a good source of iphone stuff.
^^Before. Photoshop will regcognize png files without a problem. However, if you take a default image off of your iPhone (one of the icons, or a slider for example) it won't open (i was told that this is so the iphone can read these files easier). These files are .png and not jpeg. I am looking for a converter for those files specifically. I can convert any image to a png, with the exception of those on the iphone, and once I have viewed/ediited the image and saved it as a .png I can but it back on the phone without a problem. It is just the default images you remove through ssh that won't work. Make sense?
@Moi un Mouton. I had seen that site before, and I am looking for something similar to that. However, when I try to use their converter, it doesn't seem to work and I always get a "server error" message.
Command line utility. Works perfect.
Read the article for the 'modified version'...
I use FixPngDroplet. Very easy to use and works fine.
I just tried this Python version by Axel E. Brzostowski. Here is the info:
iPhone PNG Images Normalizer
To run it, type "python ipin.py icon.png" where icon.png is the file you want to convert.
I've tried this on an Ubuntu server with Python 2.5.2. I was going to try it on the iPhone directly, but the Python package for that expands to 40MB and I don't plan to convert that often.
Thanks to Axel for creating this version.
I use that too. If you run it without arguments, it will normalize all pngs in the directory.
It's an honor for me to have been helpful ;-)
After searching on web for this topic, I decide to make a Java version by myself. It can run on any platform, and convert a bundle of files by one click.
Here you can find Jar file and source code of it.
Hope it can be helpful.
The python script is nice but it only works for some files on 5.x pngs.
For example I wanted to theme the mobilenotes.app. It only converted 15 out of 41 images. I wonder why?
I could never get anything that works reliably. The only way I can do it is:
Open iFile on the iPhone, find image, save to camera roll, then email them to myself.
pngcrush is what you want.
Hmm nice Xcode.
Grab (the open source modified version of) pngcrush out of Xcode and use this command:
-revert-iphone-optimizations -q GraphicYouWantToConvert.png TheNameYouWantToGiveTheNewGraphic.png