What is a PPM file?
PPM is short for Portable Pixmap Format. Although these files are rare these days, you can spot one by looking out for the .PPM extension.
The PPM format emerged in the late 1980s to make sharing images between different platforms easier. Each PPM file uses a text format to store information about a particular image. Within each file, every pixel has a specific number (from 0 to 65536) and information about the height and width of an image, plus any whitespace data.
How to use a PPM file.
You’re unlikely to come across PPM files on a regular basis. However, their main uses can include:
How to open a PPM file.
To open a PPM file, you’ll first need to download a compatible graphics program to your Mac or Windows computer, such as Adobe Photoshop.
Open the folder containing your file and right-click on its name. Then select Open With and double-click on the program’s name to launch the file.
To open your PPM file in a web browser, try dragging and dropping it into the browser window.
How to create and edit a PPM file.
With Adobe Photoshop, you can open a PPM file and then convert it to another format.
Just follow these steps:
- Once your PPM file is open in Photoshop, click File, followed by Save As or Export.
- Choose your preferred image file format by clicking on the Format option.
- Give your new file a name and click Save or Export.
- You should now have a new file in your preferred format.