XnView

Yes. XnView open Picture It files (file extension .mix)

but you can only read it and can't convert it to other format.

Below is the pictures format list that xnview view:

http://www.xnview.com/en/formats.html

Yes, you can use XnView to mass watermark photos in a folder.Xnview enable you to mass edit photos.

If you dont have the watermark function, just add it to your Xnview.

1. Scale/Resize the watermark via Percent, Pixels, or "Fit to Image" 

2. Invert ("negative image") the watermark image. 

3. Use thumbnail label for watermark 

4. Save/recall/delete named watermark specification

1. Download XnView from XnView.Com. It's an executable file, so you don't need any zip software for it.
2. Look at the basic toolbar. There are basic tools and then each of them have their own toolbar. Your initial options are:
   • Browser - for organizing and renaming your images.
   • Open- open your images for digital changes.
   • Search- Search for a file by its name, size, location, and a sundry of others.
   • Scan- If you have a scanner or a digital camera you can 'acquire' the pictures with this button.
   • Convert- you can batch convert files
   • Capture- Do a screen capture for whatever you might need screenshots for.
   • Quick slide show- Create a quick slide show with a collection of pictures or images.
   • Options- Make any changes in XnView that you need to do
3. Look at user forums to find others that use the program.
4. Look under 'Info' to see what Plug Ins you have.

1. Open XnView and navigate to your folder with the desired files in it.
2. Select the files that you wish to rename. If they are non-contiguous, use CTRL to select the files you need.  Click on File Operations >> Batch Rename...
3. Make the correct changes to the dialog box. Click the Name Template box and change the name to what you want it. The format that you see is how the results will be.
4. Click on Rename. This will rename your files. It actually renames them, not makes a copy and gives them a name.

1. Get the software. If you don't already have it, download it at XnView.Com.
2. Start up the program.
3. Navigate to your pictures. This could be in a place selected by you, and/or in My Documents >> My Pictures (for Windows users).
4. Look over your folders. While you may have the correct folder names that you need, they might not have all of the right pictures in them. Check them out first and make sure they contain the correct photos.
5. Pick a folder and start moving. Choose a folder to start with and start moving pictures where they need to be.
   • XnView is great for this because you can stay in your working folder in the top right window and you can scroll to the correct destination without losing it.
6. Select images. You can highlight and select a block of pictures or you can skip around selecting them. To do this, hold down CTRL and click on each picture. Once selected, move them where they need to be. To hold down an irregular block (not a square or rectangle), click on the first file, hold down SHIFT and click on the last file.
7. Create new folders if you need to.

1. Open XnView.
2. Go to where your desired pictures are using the directory structure on the right.
3. Select the photos that you want to send. You can do this any way that you can select photos in a Windows program.
4. Send by Email. Either right click on your images and click Send by Email' or go to Tools >> Send by Email.
5. Resize your photos. You have an option to resize your photos. There are several things to consider when doing it:
   • Your connection speed and the connection speed on the other end
   • End use for the photographs...Just for email? Smaller is better...Printing? Get them a bit bigger.
6. Send your photos. Put in the name of the addressee and a subject line.
   • You will need to have your computer set up with an email program. Online mail programs won't work here.
   • You may get a warning that a program (XnView) is trying to access your email program. Allowing that is one of the options.

1. Open up XnView and navigate to the images that you want to make the slide show with. Select all of the images.
2. Click on the Slide show icon.
3. Make the appropriate changes. You can change the order, how to make a transition, change the size, and add music, if you like. You can find Creative Commons music on the Internet if you want. If your images are small, you probably want to change the size of the screen, as well.
4. Decide if you want your images in a certain order or random.
5. Create the slide show file. You can do it with an executable file or a *.SCR file.
6. Save and/or create the file. The difference is an SLD file (XnView) or EXE/SCR file, which anyone can access.

1. Open up XnView and navigate to the folder that you want to share.
2. Click on Create >> Contact Sheet...
3. Choose whether to use selected files or tagged files.
4. Create the dimensions of your contact sheet. Unless you have an idea of what you want, leave it with the default.
5. Click Create. This will create the contact sheet(s) for you. It will make as many contact sheets in JPG form as needed.
6. Send to whomever you need to, either through email or by having it printed and mail it.

1. Start up XnView.
2. Click on Info. There are several options for you to choose from. Click on Plug-Ins Information.
3. Look at the list of Plug-Ins that comes with XnView.
4. Look at the list of Addons.
5. Go to your favorite search engine and look for free XnView plugins. There are others that aren't free that you can find also.
6. Go to the XnView web site and download the ones offered there.
7. Download and unzip the files. Once opened, add the files to either the Plug-Ins or Addons folders. It may already be there. Before overwriting it, you will see a dialog window. This will let you know if your file is older or newer.

XnView is a utility for viewing and converting graphic files. I don't think it can play rm and mov files.