Free Online JBG to PGM Converter

JBG
to
PGM

JBG

Image JBIG 1-bit Raster

JBG is a lossless format used to store both black and white, and color images. It was developed by JBIG (Joint Bi-level Image Experts Group) for compressing pictures to send by fax but can also be used quite effectively on other images. Moreover, it offers better compression than the earlier G3 and G4 standards.

PGM

Portable Graymap

PGM is a storage format for grayscale images. Files in this format can be opened using software: ACDSee Photo Manager 14, ACD Systems Canvas 15, Corel PaintShop Pro X4. This type of file can be edited with a text editor. PGM files can be in two versions: P2 / P5. P2 are readable, P5 - to binary formats.
How To Convert JBG to PGM

Step 1: Upload Files

Click the upload button or drag and drop your JBG files into the upload area.

Step 2: Convert File

Click "Convert" and wait for conversion done

Step 3: Download

Download the converted PGM file

Logo Copyright @ 2025 - All rights reserved.