GROUP4 to J2K Converter

Easily convert your GROUP4 files to J2K format in the Image category with ConvertOnline's efficient tool.

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What is GROUP4 ?

Group 4 is a file format commonly used for storing bi-level images, particularly in the context of fax transmission. It employs a compression method that reduces file size while maintaining image quality, making it efficient for transmitting scanned documents.

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What is J2K ?

J2K, or JPEG 2000, is a file format for compressed digital images that provides superior image quality at lower file sizes compared to traditional JPEG. It is commonly used in applications that require high-quality images, such as digital cinema, professional photography, and medical imaging.

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How to Convert GROUP4 to J2K in Just a Few Steps

  1. Upload your GROUP4 file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose J2K as the output format
    The tool will automatically convert your file to J2K.
  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 J2K file instantly.

Start converting GROUP4 to J2K now — it’s fast, safe, and completely online!