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Why convert PEF to JBG?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the PEF format
RAW — Pentax PEF RAW
PEF is Pentax's proprietary RAW format used in Pentax DSLR and medium-format cameras. It captures full sensor data for flexible post-processing and is the native format for Pentax's unique weather-sealed camera bodies.
Common uses
- Pentax DSLR and medium-format photography
- Outdoor and weather-sealed camera workflows
- Landscape and nature photography
- Professional studio post-production
About the JBG format
JBG — JBIG Bi-level Image
JBG is an alternate extension for JBIG (Joint Bi-level Image Experts Group) compressed images. JBIG compression is specifically optimized for bi-level (black and white) images and outperforms G3/G4 fax compression, making it useful for fax, document scanning, and monochrome archiving.
Common uses
- High-efficiency fax image compression
- Monochrome document scanning archives
- Converting JBIG compressed fax data
- Black-and-white document storage
Related conversions
Other conversions available for PEF and JBG files
Frequently asked questions
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.