G4 to G3 Converter

Convert G4 to G3 online quickly and easily. Just upload your file, convert it, and download the G3 in seconds.

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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.

G4 format  ▶

What is G3 ?

The G3 file format, primarily associated with fax image files, is a compression format used to store black and white images. It is designed to efficiently compress data while maintaining the quality necessary for fax transmission.

G3 format  ▶

How to Convert G4 to G3 in Just a Few Steps

  1. Upload your G4 file
    Drag and drop your G4 file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose G3 as output format
    The converter is preset to G3, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.

Start converting G4 to G3 now — it’s fast, safe, and completely online!