G4 to G3 Converter

Convert your g4 files to g3 online & free

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Group 4 FAX

G4 is a method to compress black and white images without losing quality. It is used for fax machines and as a one of the compression types for the TIFF format. G4 treats a picture as black dots and lines on a white page (less file size will be achieved if there are less black dots and lines).

G3 Converter

Group 3 FAX

The G3 format is used to compress image files in TIFF format when sending faxes. The compression algorithm allows for the use of a standard 10-times compression, which can be increased. It is used to remove excess image data, which makes it possible to reduce the size of the image and speed up delivery.

How to convert G4 to G3

Step 1

Upload g4-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to g3"

Choose g3 or any other format you need as a result (more than 200 formats supported)

Step 3

Download your g3

Let the file convert and you can download your g3 file right afterwards