PGM to G4 Converter

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

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What is PGM ?

PGM, or Portable Gray Map, is a simple grayscale image format that is part of the Netpbm format family. It stores pixel values in a straightforward manner, allowing for easy manipulation and conversion by various image processing tools.

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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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How to Convert PGM to G4 in Just a Few Steps

  1. Upload your PGM file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose G4 as the output format
    The tool will automatically convert your file to G4.
  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 G4 file instantly.

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