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NEF Codec

Select your operating system.

  • Windows
  • Mac OS

This software update program is for the customer-owned product listed above (the “affected product”), and is provided only on acceptance of the agreement listed below. By selecting “Accept” and clicking “Download”, you are held to have accepted the terms and conditions of the agreement. Be sure you understand the terms of the agreement before beginning download.

The NEF Codec

The NEF Codec module allows NEF (RAW) files to be handled as easily as their JPEG and TIFF equivalents.

What’s New with Version 1.31.2
  • • Added to the list of supported cameras. See “System requirements”, below.
  • • Added a note concerning the handling of NEF files recorded with HLG selected for tone mode.
Product Description
Name NEF Codec
Version 1.31.2
File name S-NEFCDC-013102WF-ALLIN-ALL___.exe
System requirements
  • Windows 11 (64-bit)
  • Windows 10 (32-bit / 64-bit)
CPU Intel Celeron, Pentium 4, or Core™ series, 1 GHz or better
Supported cameras
Digital SLR cameras D6, D5, D4S, D4, D3X, D3S, D3, D2XS, D2X, D2HS, D2H, D1X, D1H, D1, D90, D80, D70S, D70, D60, D50, D40X, D40, D850, D810A, D810, D800E, D800, D780, D750, D700, D610, D600, D500, D300S, D300, D200, D100, D7500, D7200, D7100, D7000, D5600, D5500, D5300, D5200, D5100, D5000, D3500, D3400, D3300, D3200, D3100, D3000, Df
Mirrorless cameras Z 9, Z 8, Z 7II, Z 6II, Z 7, Z 6, Z 5, Z 50, Z 30, Z fc
Advanced interchangeable lens cameras Nikon 1 J5, Nikon 1 J4, Nikon 1 J3, Nikon 1 J2, Nikon 1 J1, Nikon 1 V3, Nikon 1 V2, Nikon 1 V1, Nikon 1 S1, Nikon 1 AW1
Compact digital cameras COOLPIX A
  1. Create a folder on the hard drive and name it as desired.
  2. Download the file to the folder created in Step 1.
  3. Double-click the downloaded file to launch the installer.
  4. Follow the on-screen instructions to complete installation.

Note: Earlier versions (version 1.6.0 or earlier) of the NEF codec must be uninstalled before installation can be completed. Follow the installers on-screen instructions during installation to uninstall earlier versions.

Before installing the software, read the notes below.


Be sure to read the following notes:

  1. The NEF Codec

    The effects of the NEF Codec are not reflected when NEF (RAW) images are displayed in the Microsoft Photos application supplied with Windows 8.1 and later.
    Windows Photo Gallery, Windows Live Photo Gallery, Windows Photo Viewer, and other applications that use the Nikon NEF Codec to display pictures will show the previews embedded in the NEF (RAW) files.

  2. Handling NEF Files Recorded with HLG Selected for Tone Mode

    NEF files recorded with HLG selected for tone mode cannot be viewed using the NEF Codec. Use Nikon’s NX Studio image viewing, NEF processing, and retouch software.

  3. “Camera Model” and “Camera Manufacturer”

    Do not change the “Camera model” and “Camera Manufacturer” fields in the “Details” tab of the NEF file properties. Operation of Nikon applications and the NEF Codec is not guaranteed if these fields are changed.

  4. Rotating NEF Images

    NEF images cannot be rotated in the Explorer, Windows Photo Gallery, Windows Photo Viewer, or Windows Live Photo Gallery.

  5. NEF (RAW) Thumbnails

    Thumbnails for NEF (RAW) files may not display correctly in the Explorer, Windows Photo Gallery or Windows Photo Viewer. If this occurs, use Disk Cleanup as described below.

    • 1) Right-click the system disk in Computer and select Properties.
    • 2) Select Disk Cleanup in the General tab.
    • 3) Under Files to delete in Disk Cleanup, check Thumbnails and uncheck all other options.
    • 4) Select OK to start disk cleanup; when a confirmation message “Are you sure you want to permanently delete these files?” is displayed, select Delete Files.
  6. Capture NX 2 Version 2.3.0 or Later

    If NEF images saved in Capture NX 2 version 2.3.0 or later are opened in Windows Photo Gallery, Windows Live Photo Gallery, or Windows Photo Viewer:

    • • A message may be displayed stating that the file is corrupt and cannot be opened
    • • Windows Photo Gallery, Windows Live Photo Gallery, or Windows Photo Viewer may not function normally after the file is opened
Checking the Current Version

Windows 10/Windows 11

  1. Right-click an NEF (RAW) image in desktop mode and select Open with program > Windows Photo Viewer.
  2. Confirm that this image is displayed.
Uninstalling the Codec

Windows 10/Windows 11

  1. Select Settings > System.
  2. Select Apps & features.
  3. Select NEF Codec and click or tap Uninstall to launch the uninstaller.
  4. Follow the on-screen instructions.
Related Software

• Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
• All other trade names mentioned in this document are trademarks or registered trademarks of their respective holders.
• This software is based in part on the work of the Independent JPEG Group.


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