GIF to JBG Converter
Convert GIF images to JBIG compressed format online
Superior Compression
JBIG compression outperforms Group 3/4 fax and other bi-level encodings — producing smaller files for scanned documents and text images.
Document Imaging
JBG is a standard in high-volume document scanning and fax servers where compression efficiency directly impacts storage and transmission costs.
Online Conversion
No JBIG tools needed on your machine. Convertio generates the JBG file online — upload the GIF and download the compressed result.
How to convert GIF to JBG
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose jbg or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your jbg file right afterwards
About formats
Frequently Asked Questions
JBG uses JBIG compression — far more efficient than Group 3/4 fax encoding for bi-level images. Ideal for scanned documents and text-heavy content.
JBIG-Kit tools, ImageMagick, and specialized document imaging software handle JBG format. It is used in high-volume scanning and fax infrastructure.
JBIG was designed primarily for bi-level (black and white) images but can handle grayscale. It excels at compressing text and line art.
JBIG achieves 20-50% better compression than Group 4 fax on typical documents — significant savings in high-volume document imaging systems.
Yes — JBG is the file extension for JBIG (Joint Bi-level Image experts Group) compressed data. Both names refer to the same standard.