MetadataG – Free Online File Metadata Extractor
MetadataG

PGM Metadata Viewer and Extractor

Extract and read PGM metadata securely with a private, browser-based metadata viewer.

All PGM metadata extraction happens locally in your browser—no files are uploaded to any server, keeping your private data completely secure.

What is PGM Metadata?

PGM (Portable Graymap Format) is a grayscale image format in the Netpbm family. PGM metadata includes image dimensions, maximum gray value (usually 255), and optionally comments in the header. According to Netpbm PGM specification, the format supports plain (P2) and raw (P5) variants with header comments being the primary metadata storage.

How to View and Extract PGM Metadata Online Free?

Follow these three simple steps to view, check, and download PGM metadata instantly in your browser.

1

Select Your File

Click or drag your PGM file — directly into your browser.

2

View the Metadata

Explore detailed metadata such as file properties, technical info, and metadata tags extracted from your PGM file.

3

Download Results

Save your metadata as PDF, JSON, HTML, or TXT for documentation or sharing.