Convert RGF to G4
Convert RGF images to G4 format, edit and optimize images online and free.
Drop Files Anywhere to Upload
The RGF (LEGO Mindstorms EV3 Robot Graphics File) is a proprietary raster image format used by the LEGO Mindstorms EV3 software to create and edit images for programming LEGO robots. These files, which include text boxes, shapes, and drawings, are designed to be displayed on the EV3 robot's screen or within the programming environment. The format was developed by LEGO to facilitate the integration of visual elements into robot design and programming tasks.
The G4 file extension, standing for CCITT Group 4 Fax Image, is a specialized format used primarily for storing black-and-white facsimile (fax) images. Its origins trace back to the Consultative Committee for International Telegraphy and Telephony (CCITT), now known as the ITU-T, which developed the Group 4 standard in the 1980s to improve fax transmission efficiency over digital networks. This format employs a high compression ratio to reduce file size while maintaining image quality, making it ideal for archiving documents and transmitting faxes in professional and business environments.
Choose a RGF image and upload it to the converter.
Finalize the RGF to G4 conversion by applying tools and clicking Convert.
After the G4 conversion finishes, click Download to retrieve the file.
With Vertopal CLI installed, you can convert RGF image directly into G4 image.
cd to the RGF folder or include the path.