Open, Convert, and Print SFW Files on Your PC

SFW is a file extension used by FileWorks and PhotoWorks to store image files in bitmap format. With UFO you can view SFW images, convert them to popular JPEG or PNG file formats, and make beautiful photo prints. UFO also provides quick and easy file viewing for over 260 file formats, including photo, image, text, and data files.

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  • Instantly view, print and convert sfw files.
  • Downloaded installer file size: 4.25 MB.
  • Supports Windows XP SP3, Windows Vista SP2, Windows 7, Windows 8, and Windows 10 (32 & 64 bit).
  • Product license and activation is required in order to use all the functions.
  • Installer may offer PC Clean Maestro. You can skip or uninstall them.
ufo image viewer
Open SFW Files Instantly

Ultra File Opener opens SFW files instantly. UFO's advanced decoding technology supports SFW files generated by Seattle FilmWorks (then called PhotoWorks).

Download UFO to open SFW files now

UFO supports multiple iOS devices
Enjoy Viewing SFW Files

Ultra File Opener preserves the maximum image data stored in your SFW files. It also delivers the most versatile viewing experience for your photos. You can zoom-in, zoom-out, fit-to-screen, or see them in actual-size.

View your SFW files the way you like

zoom-in and -out
Make Beautiful Prints

Make photo prints right at your desk with Ultra File Opener's powerful and easy-to-use print function. UFO detects your printer settings and provides popular printing templates like wallet-size, 4x6, 5x7, 8x10, and full-page printing.

Try UFO's printing function now

make prints with ultra file opener
Convert SFW Files

Use Ultra File Opener to convert SFW files to popular image formats like JPEG and PNG so that You can share them across different hardware devices as well as with friends and family.

Try UFO's photo conversion function

UFO concerts to JPEG and PNG formats
Hundreds of Possibilities

Ultra File Opener supports hundreds of different file types, including images, documents, and data files. Equipped with the groovy Hex Decoding technology, UFO is capable of opening files of any type!

See all supported file formats

multiple file formats
Get Help from the Experts

Our software is just part of the solution that you are getting. As experts in digital imaging and documents, we provide help and support for your file opening, viewing, converting, printing and sharing needs.

Learn more about the SFW file format

Product and Technical Support