Fotografix supports opening and saving images in a variety of image file formats. The following table lists the supported formats and features of each format.
| Format | File extension(s) | Colour depth | Layers | Write |
|---|---|---|---|---|
| Fotografix | fgx | 32 bpp | Yes | Yes |
| Photoshop | psd | 32 bpp | Yes | No |
| GIMP | xcf | 32 bpp | Yes | No |
| JPEG | jpg, jpeg, jpe, jfif | 24 bpp | No | Yes |
| Bitmap | bmp | 24 bpp | No | Yes |
| PNG | png | 32 bpp | No | Yes |
| GIF | gif | 8 bpp | Yes * | Yes |
| TIFF | tif, tiff | 32 bpp | Yes (read-only) | Yes |
| Targa | tga, vda, icb, vst | 32 bpp | No | Yes |
| PCX | pcx | 8 bpp | No | No |
| Windows Icon | ico, cur | 32 bpp | No | No |
| RAW | raw | 24 bpp | No | Yes |
* Individual frames in an animated GIF file are imported as layers. The reverse (saving an animated GIF) is currently not possible.