Convert PSB to G4

The PSB (Photoshop Large Document Format) file extension is utilized for handling exceptionally large images in Adobe Photoshop. Introduced to support projects exceeding the limitations of the traditional PSD format, PSB is optimized for files that surpass 30,000 by 30,000 pixels, accommodating up to 300,000 pixels in either dimension. This format is essential for professional photographers, graphic designers, and digital artists who work with high-resolution images, providing a robust solution for maintaining the integrity and quality of detailed visuals in complex projects. PSB's development has been integral to Adobe's efforts to enhance the capacity and efficiency of its image editing software, ensuring that professionals can work without restrictions on image size and complexity.

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.