G4 to JXL Converter

Easily convert your G4 files to JXL format in the Image category with ConvertOnline's efficient tool.

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What is G4 ?

The G4 file format is primarily associated with Group 4 compression, a method used to encode bi-tonal images, typically for fax transmission. It is designed to efficiently reduce the size of monochrome images while maintaining high quality, making it ideal for documents like scanned pages and faxed materials.

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What is JXL ?

JPEG XL is a modern image file format designed for high efficiency and versatility. It offers superior compression compared to traditional formats, making it suitable for both web and archival use.

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How to Convert G4 to JXL in Just a Few Steps

  1. Upload your G4 file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose JXL as the output format
    The tool will automatically convert your file to JXL.
  3. Start the conversion
    Click the "Convert" button and let our tool handle everything. The conversion only takes a few seconds.
  4. Download your converted file
    Once complete, download your new JXL file instantly.

Start converting G4 to JXL now — it’s fast, safe, and completely online!