Use this free tool to view your PGM (Portable graymap format) files online without needing to download or install any software. Our PGM viewer tool will render your file within the browser with the ability to view full screen if needed.
First, click the "Upload..." button and select the PGM file you wish to view. Once your PGM file has been received it will be displayed in your browser.
We aim to process all PGM file viewing requests as quickly as possible, this usually takes around 5 seconds but can be more for larger or more complex files so please be patient.
We aim to create the most accurate rendition of your PGM file with our tools. Our tools are under constant development with new features and improvements being added every week.
Yes, of course! We do not store the PGM file you submit. The generated preview file within your browser is deleted after 15 minutes,
Yes! Our PGM file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.
| Extension | PGM |
| Full Name | Portable graymap format |
| Type | Image |
| Mime Type | application/octet-stream |
| Format | Binary |
| Tools | PGM Converters, Create Cookie Cutter, PGM Viewer |
The PGM file format is a bitmap image format used to store grayscale images in either a text or binary format. The text format, which is known as P2, enables easy manual editing of the image data due to it being stored in a human-readable format.
Greyscale data is stored within the file using values between 0 and 255; this gives 256 levels of gray, with 0 being black and 255 being white, and everything in between being a different shade of gray.
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