From GPWiki
An overview of image formats and their capabilities (see also file formats).
| | BMP | GIF | JPG | PCX | PNG | TGA | TIFF
|
| RGB | + | - | + | + | + | + | +
|
| Grayscale | + | - | + | + | + | + | +
|
| Indexed | + | + | - | + | + | + | +
|
| Alpha | - | +/- | - | - | + | + | +
|
| RLE Compr. | + | - | - | + | - | + | +
|
| Lossy Compr. | - | - | + | - | - | - | -
|
| Lossless Compr. | - | + | - | - | + | - | +
|
|
|
