PGM Portable Graymap
A sample PGM grayscale image for testing grayscale image processing and scientific imaging.
PGM Portable Graymap
image file · 150 KB
A sample PGM grayscale image for testing grayscale image processing and scientific imaging.
File Details
- File Name
- PGM Portable Graymap.pgm
- Format
- PGM
- File Size
- 150 KB
- Category
- Image
- MIME Type
- image/x-portable-graymap
- License
- Free for testing
About PGM Files
The PGM format is commonly used in the image category. PGM files are supported by a wide range of applications and tools. This sample file is a valid, well-formed example with proper headers and metadata, designed for testing file upload/download functionality, validating parsers and converters, automated testing, and learning about the PGM file format structure. All files on File Examples are free to download without registration.
Common Use Cases for .pgm Files
- Testing file upload and download functionality in web and mobile applications
- Validating PGM parsers, converters, and rendering engines
- Automated testing in CI/CD pipelines
- Prototyping applications that process image files
- Learning about the PGM file format structure and metadata
How to Open PGM Files
PGM files can be opened with applications that support the PGM format. Check your operating system's default app settings or try a universal file viewer. Most text-based formats can also be opened with any code editor like VS Code.
Developer Notes
image/x-portable-graymapFile Size150 KBExtension.pgmCategoryImageThis file is well-formed with valid headers and metadata, making it safe for automated testing and CI/CD pipelines. You can fetch this file directly in your tests using the URL https://fileexamples.com/api/download?file=sample_image.pgm&type=image/x-portable-graymap. Works with curl, wget, fetch(), axios, and any HTTP client. Set the Content-Type header to image/x-portable-graymap when serving PGM files in your application.
Frequently Asked Questions
What is this sample PGM file used for?
This sample PGM file is designed for testing file upload forms, validating PGM parsers, automated testing, CI/CD pipelines, and prototyping applications that handle image files.
Can I use this file for upload testing?
Yes. This 150 KB PGM file is well-formed with valid headers and metadata, making it suitable for testing file upload endpoints, size limit validation, and MIME type detection (image/x-portable-graymap).
Is this example file safe to download?
Yes. All sample files on File Examples are created in-house, contain no malware or tracking, and are free to download without registration. They are safe for development and testing use.
What software can open this PGM file?
PGM files can be opened with applications that support the PGM format. Check your operating system's default app settings or try a universal file viewer. Most text-based formats can also be opened with any code editor like VS Code.