.ppm PPM image
Images
| MIME type | image/x-portable-pixmap |
|---|---|
| Description | PPM image |
| Acronym | PPM – Portable PixMap |
| Category | Images |
| Signature (magic bytes) | 50 33 (P3)50 36 (P6) |
| Based on | image/x-portable-anymap |
Frequently asked questions
What is a .ppm file?
A .ppm file is a “PPM image” (MIME type image/x-portable-pixmap). PPM stands for Portable PixMap.
How do I open a .ppm file?
With any image viewer that supports the format – the Photos app on Windows, Preview on macOS, Eye of GNOME or GIMP on Linux. For unusual formats a converter such as ImageMagick helps.
How can you tell a genuine .ppm file?
By the bytes at the start of the file, the signature (magic bytes): 50 33 (P3) and 50 36 (P6). On Linux and macOS, file --mime-type example.ppm checks the real type regardless of the extension.
Which format is .ppm based on?
Technically a .ppm file is a subtype of “PNM image” (image/x-portable-anymap), so programs for that base format can often read it too.
Which MIME type belongs to .ppm?
The MIME type is image/x-portable-pixmap. In the Apache web server: AddType image/x-portable-pixmap .ppm; in nginx: types { image/x-portable-pixmap ppm; }.