FPX is legacy and read-only here
FPX (FlashPix) is a 1990s multi-resolution format that has effectively disappeared. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new FPX files.
Looking for JPEG to FPX? Here's why FPX isn't an output option — and the modern formats to use.
We don't create FPX files — it's a legacy format that's effectively read-only. Here's what to convert to instead.
FPX (FlashPix) is a 1990s multi-resolution format that has effectively disappeared. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new FPX files.
For a file that opens everywhere, convert your JPEG to PNG, JPG or TIFF instead.
JPG (JPEG) is a lossy raster format that compresses photographs into small files by discarding detail the eye barely notices — the most widely used photo format on the web and in cameras.
How to open JPG opens in every browser, image viewer and editor with no special software.
Full JPEG format guideFPX (FlashPix) is a 1990s Kodak/Microsoft format storing images at multiple resolutions for fast zooming — now largely obsolete.
How to open FPX opens in legacy imaging software and IrfanView; convert to JPG/TIFF for modern use.
Full FPX format guide