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JBG Converter

Convert JBG images to a variety of formats, edit and optimize images online and free.

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Joint Bi-level Image Group (.jbg)

The JBG file extension stands for Joint Bi-level Image Group, a format developed for efficient lossless compression of binary images, primarily used in fax transmissions. Introduced by the Joint Bi-level Image Experts Group, JBG files store 1-bit raster images and offer superior compression compared to older standards like CCITT Group 3 and 4. Although initially popular for fax machines, the format has largely been superseded by JBIG2, which provides even better compression.

How to convert JBG?

  1. Upload JBG File

    Click Choose File to browse and select the JBG image you want to process.

  2. Choose Output Formats

    Pick the output format option available for your JBG file.

  3. Convert & Download

    Allow the converter to finish, then download the file immediately.

JBG Converter

Convert JBG on Desktop

(macOS • Windows • Linux)

Vertopal CLI must be installed to handle JBG image conversions correctly.

  1. Access the command-line interface directly.
  2. Change into the JBG directory or provide the file path.
  3. Execute the command after updating JBG_INPUT_FILE with your file information. $ vertopal convert JBG_INPUT_FILE --to output_format

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