SGI (also known as IRIS and sometimes RGB) is a bitmap image file format. The image can be uncompressed or use RLE compression. SGI stands for Silicon Graphics Image. SGI files can have the extension .sgi, .bw, .rgb, .rgba.
Click the «Choose files» button and select the files you want to convert.
Choose «RGBA» as target format. Click «Convert» to start converting files to RGBA. It only takes a few seconds.
Done! Your files are converted to RGBA format. You can download them to your device.
You don't need to download and install any software to convert files to .rgba format. All conversions take place in the cloud.
Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.
Convert your rgba files in 2 clicks. And don't pay anything for it! MiConv RGBA Converter is free for all users.