
Two years ago, I mentioned in an article that Nikon’s Raw (NEF) Codec was an important part of my photo-processing pipeline. After many laptops, photos, and software updates, it still is.
I now work with photos on 32- and 64-bit machines running Windows 7 and Windows Vista. In the hope it will help other Nikon photographers, here is an update describing some of my more recent experiences working with Raw (NEF) files under Windows.
[Note: I last updated this article November 2009.]
First – Why would you want a NEF Codec?
The principal reason you’d want a Raw (NEF) Codec is to view Raw Nikon images and metadata from within Windows File Explorer and Windows Photo Gallery, and now Windows Live Photo Gallery as well, which was released as part of Windows Live Essentials.

The goal: a directory of Raw (NEF) Image files and their metadata in Windows Explorer. This is 64-bit Windows 7.
Of course, if you’re shooting Raw images, you’ll probably also want a fully-featured application that can view and edit NEFs (such as Nikon’s Capture NX 2, or Adobe’s Photoshop), in addition to the Codec. But the Codec itself is very useful for viewing, sorting and “triaging” your photos.
The options available to you for NEF Codec solutions will depend on whether you’re running 32- or 64-bit Windows. Here are the ones I use today.
Recommended NEF Codec for both 32- and 64-bit Windows:
Fast Picture Viewer
(current version: 1.40) (click for download info) (recommended)
After first publishing this post, I was introduced to the Fast Picture Viewer, which is available, for free, for both 32-bit and 64-bit Windows installations. I’ve been using it on a few machines now and it has worked exactly as advertised: as a very fast NEF codec. What can I say; it’s great.
If, for whatever reason, the Fast Picture Viewer does not work for you, here are alternatives for 32-bit and 64-bit Windows:

32-bit alternate option: Nikon’s NEF Codec
(current version: 1.8) (click for download info)
Nikon’s Codec has gone through a number of revisions. It is currently at version 1.8, and can be downloaded from here. This codec is free to download, and I formerly used it on my 32-bit Vista SP1 installation.
My impression (not even remotely scientific, since I’ve switched machines and cameras) is that version 1.8 is quite a bit quicker and more robust (stalls less often) than earlier versions. My improved experience may also have to do with updates to Windows Vista, so I’m not sure.
64-bit alternate option: Ardfry’s x64 NEF Codec
(current version: Beta 4) (click for download info)
Unfortunately, there is still no 64-bit support for the Nikon NEF Codec that is linked above.
In addition to the Fast Picture Viewer, another third party, Ardfry Imaging, have released a 64-bit NEF codec for Windows Vista x64. I have previously worked with it on multiple 64-bit Windows 7 installations, and it worked well for me. I evaluated the Ardfry Codec beta for its trial period, and (before finding Fast Picture Viewer) decided it was well worth the $19USD they were asking for a registered copy.
But what if I don’t want to pay for a Codec and I am running 64-bit Windows?
Thanks to the folks behind the Fast Picture Viewer, this is no longer an issue. Just go download it. It has worked great for me (and, it seems, for the commenters on this post).
Please note that even if you choose not to install a codec like FPV or Ardfry’s, Nikon’s Capture NX 2.1 works fine under 64-bit Windows (in 32-bit emulation mode), as you can see in the screenshot of 64-bit Windows Task Manager below.

Capture NX 2.1 works fine under 64-bit Windows 7 in 32-bit emulation mode
That being said, I value being able to see my photos and their metadata within Windows Explorer and Windows Live Photo Gallery, which is not possible without the codec. So a codec solution like FPV or Ardfry makes sense for me. The Windows 7 installation pictured at the top of this article is sporting the Ardfry codec.
I hope this helps, and am always grateful for tips, advice, and further thoughts on streamlining my photography pipeline.
Possibly Related Articles (possibly not):
Nikon Raw (NEF) Codec: fast, free new option
Nikon’s Raw (NEF) Vista Codec Updated
From Windows DVD Maker to Silverlight Streaming site?
Posted Feb 19th, 2009
into Microsoft, Photography
with tags 64-bit, Ardfry, Fast Picture Viewer, NEF, Nikon, RAW, Windows 7, Windows Vista



[...] I posted some updated thoughts on NEF Codecs for Vista and Windows 7 for 32- and 64-bit installations. [...]
You can also run the 32-bit Windows Explorer which can load 32-bit thumbnail/preview handlers. Windows Live Photo Gallery is also 32-bit.
It’s here, by the way: %SystemRoot%\SysWOW64\explorer.exe
Lucas, that’s very interesting – thank you! Is it possible to have 64-bit Windows launch the 32-bit Windows Explorer by default?
Also, I am curious to know if anyone has tried running Nikon’s 32-bit codec installer onto a 64-bit version of Windows. I wonder if it will allow itself to be installed.
I’ve tried installing the 32 bit Codec on a 64 bit system. It wont install.
Ardfry’s codec seems to be the only solution for viewing RAW in Vista 64 windows explorer. I wish someone woud hack the Nikon installer package… once installed the Nikon codec would probably work fine in 64 bit.
Running 64 bit XP here.
I just use the ViewNX to display my pictures, works just as well as viewing them in explorer as far as I can see.
If you want to run 32 bit explorer in windows 64 bit you might as well just install windows 32 bit.
i have installed both of these and none of them work AT ALL
even trired the 32 bit “wow” above
i think it working from everyone complaing
just got this
Nikon
Unfortunately, we do not have software/driver support for 64-Bit Windows operating systems at this time. Compatibility and support for Nikon software running on a Windows 64-bit system is currently under review by the Nikon Quality Department in Japan. At this time we do not have any time table on when we will issue driver and software support for this system. You can attempt to use our product(s) on this system anyway, but we cannot provide assistance should you run into problems.
Excellent post, thank you!
I’ve started using Ardfry’s codec, and it works, but I’m missing some of the metadata that you’re apparently able to display. It shows thumbnails, but no camera settings (aperture, shutter, etc). I’m on Windows 7 beta 1, as you are. What camera are you using for these .nefs? I’m on a D90.
@Dick — I am also shooting with a D90 (and love it). Have you noticed that you can increase the size of the panel at the bottom of a File Explorer window? Maybe you can stretch it to reveal the metadata. If it is not visible at all, try clicking Organize, then Layout, then Details Pane. hope that helps…
I appreciate the info – thanks rob. It certainly explained a few things. Just my opinion however, I am very upset with nikon over this whole issue. From what I have gathered, this has been an issue since mid 2007 and they have yet to do anything about it. I find it unacceptable that I must spend an additional 19 bucks on a third party plugin in order to work with NEF on Vista 64.
Nikon needs to wake up and realize that the 64-bit OS is not going anywhere. At this point I will no longer support NIKON with my future purchases.
Good info here, thank you guys!
I am shocked to hear that Nikon does not have 64 bit codec for my RAW files available! With RAM being cheap, 64 bit Windows is selling better than it ever has and people serious about photo work need the RAM because these app’s eat it up. My next build (spring of this year) is a i7 Intel and will have a minimum of 4 Gig of ram, so I’m expecting to go with 64 bit OS for the first time (am beta testing 64 bit of Windows 7 currently on my current dual core, 2 Gig ram system). Since I am running Windows 7 64 bit on my other partition and testing it out, I ended up here in a search for a working Codec.
I hope Nikon wakes up and smells the coffee that this ain’t the 1990′s anymore … 64 bit is coming strong now and the need is now.
For what it’s worth, I’ve used ExifPro for a number of years to view and organise my RAW files on my x64 system.
I find all my software still edits RAW files fine, it is just the convenience of being able to use the thumbnail view in Explorer that I am referring to for the NEF CODEC.
What the hell is wrong with Nikon? They are still old hat compared to Canon in the things they continually produce. They need to support what people use:
1) A non 64-bit codec? common, what are they thinking? get with the times
2) Their cameras still lag in modern features and mega pixels as compared to canon..again, they’re still too much of a camera company and not cutting edge enough or bleeding edge enough
3) My D70 just died on me…nice quality
Too bad that the Ardfry codec seems to load the JPEG preview image embedded in the NEF, not the actual Bayer RAW data. Reading the Bayer data would be better because you would get correct white balance and correct luminance levels (in JPEG, the in-camera exposure bias is corrected, so the results aren’t usually very reliable even as a preview of the final image).
I am running Vista Ulitimate 64bit. What I find confusing is that if a NEF image has been opened in Lightroom, the image thumbnail will appear in Explorer. However if the RAW file has not been opened, only an icon displays.
adflys works in windows 7 RC also
(64bit)
@andrew – I can confirm the same – it seems to work just fine on my 64-bit Windows 7 RC installations, thank goodness
I didn’t work after installed Nikon Capture NX 2 in Windows 7 (build 7100), the *.NEF only show Capture NX icon on it.
543, You will need to install one of the codec packages mentioned in the article for thumbnails to work. Capture NX 2 does not generate thumbnails for you.
So I’ve got an interesting situation.. I have the 32bit NEF Codec installed on my 64bit Win7 RC and the first 50 pictures I transfered from my D90 have thumbnails and work great. The remaining 100 or so have no thumbnails and show the ViewNX icon.
Anyone have any ideas why the first 50 or so show thumbnails?? I haven’t changed any settings between the two transfers.
Scatch that previous comment. I figured it out! I have the Nikon NEF Codec (32bit) installed on my copy of 64bit Win7 RC build 7100. By default the thumbnails will not appear, but there is a way to make them show up without installing a 64bit Codec.
Manually start Windows Live Photo Gallery (available from Live.com free) and then browse to the folder containing all your NEF files. From there, the program reads through all the photos and creates a thumbnail for it.
It appears to get landscape photo thumbnails very quickly, then makes a second pass to create any portrait style thumbnails. If you open Windows Explorer while these thumbnails are being created, you will see them appear (and stay visible) there as well!!
I would like to raise a bit different issue, which may be connected with the codec itself or Windows Live Photo Gallery. One of the great features of Windows Live Photo Gallery is that it allows you to post to Flickr with just a click of a button. This also works for NEF files. However, what does not seems to be working is the ability to choose the size (resolution) of the NEF that you upload. I can pick original size, 1600, 1200, 800, the NEF is always posted as 1024pix JPEG. Does anyone have any experience with posting NEFs to Flickr?
>once installed the Nikon codec would probably work fine in 64 bit.
Certainly not with 64-bit applications as it is not possible to mix and match “bitness” within a given process. OTOH it is true that if you get it to install, 32-bit apps running on WOW64 should be able to use it.
For native 64-bit apps like Windows Explorer, Photo Gallery and FastPictureViewer Pro (http://www.fastpictureviewer.com) you need one of Ardfry’s 64-bit codecs. Besides that I see huge benefits of being able to use all of the computer’s memory to preload and cache images with FastPictureViewer when running in native 64-bit mode with 64-bit codecs, talk about day and night with large images and, say, 8GB of RAM.
i want import RAW image on nikon d40 to my pc
On a slightly different item has anyone had problems sending E-Mails with ViewNX 1.60 . I an using Vista 32 and Windows Mail and am utterly defeated . i would much prefer to use View Nx for my postings
Thanks Ryan (31st May 2009 @ 6:57 pm). Great information.
Try this:
http://www.fastpictureviewer.com/codecs/
Adam, I am intrigued… I will check these out. Have you been using them with success?
I have given it a quick test under Windows 7 64 bit and can report that thumbnails in Explorer work and I can now open NEF files in Irfanview (which I use for quick viewing of images). Previously I could not do this. I am also seeing EXIF data!
Rock on!
FastPictureViewer seems to be working so far for me too – on Vista x64. I may finally be able to dump Adobe Bridge for quick photo finding.
I have found everything works for me under Windows 7 x64 with the codec loaded from the Fast Picture Viewer link I provide above. Thumbnails in Explorer and opening NEF files in my quick viewer, Irfanview.
Hi, I am new to all of this, bit have recently bought a d90 and am hoping to get into photography. It is heaps of fun! Our last computer crashed and I have bought and new computer with Windows VISTA 64bit.
My Nikon CD is not read at all and so can’t install anything. From what I can gather (I am not really computer literate…yet), I will need to download a codec such as Ardfry’s, to view the photos as thumbnails and then buy something like Photoshop (although I have no idea which version will work on my computer) or something similar to edit the raw files. Is this correct? Any other suggestions?
Someone help me understand??
Hello Adam
Thanks for the great info about the fastpicture codecs for my nikon (D70) raw pics, together with windows 7
Adrian
Denmark
Hi Adam !
Working great on my windows 7 64-bit ! The best and simple solution.
Thanks, thanks, thanks
I to recommend everyone !
I agree with the commenters – Fast Picture Viewer is my new favourite thing. I have updated this post to advocate FPV!
[...] on the article I wrote earlier this year about Nikon Raw (NEF) Codecs for Vista and Windows 7. [...]
I am still dumbfounded how Nikon can neglect their customers and fail or refuse to create a 64-bit codec for Vista 64-bit and Windows 7 64-bit. It’s just unbelievable to me that a company who expects to maintain a first rate status expects to do this by neglecting usability. They have jumped to digital, therefore it’s a requirement that they cover this if they want to remain a top-rate photo company.
[...] the 64bit system in the near future either. But do not despair all is not lost. Check here: Nikon Raw (NEF) Codecs for Vista and Windows 7 – robburke.NET If you you use Lightroom or another photo editing program, you do not necessarily need it but it [...]
I had a Nikon D200, can I veiw my raw pictures on my laptop with Window 7.
My camera Nikon D200. May I download free NX2
How do I open a pictures with PPS ?
PLEASE – I have a new Nikon with it’s NEF files. However, I am running Vista Home Premium on a PC in 64-bit format and can’t find a way to process my RAW files through PhotoShop CS4. HELP, HELP, HELP!
Kathy, for that you will need to download and install Adobe’s Raw Plugin on top of CS4: http://www.adobe.com/products/photoshop/cameraraw.html
Hey all, apparently something went wrong with fast picture viewer being free. Now it costs 5.99$… any other option?!
Thanks in advance,
Emilio.
Thanks, Rob. That’s just what I did.
I run Adobe PhotoShop CS4 on a 64-bit PC. I finally just went to Adobe and downloaded their plug-in for RAW — it is new as of November/December, 2009 and covers my new Nikon. RAW ccouldn’t deal with the NEF files from my D300 until I installed this new plug-in. Now it does. Can’t help the Picture-Viewer people…….. I LOVE RAW because then I have all this information, and can save as .jpg and still have the original RAW file that doesn’t suffer cumulative degradation everytime I open it.
Kathy
Kathy, glad to help; Emilio, thanks for the heads-up and I am sorry to see that Fast Picture Viewer is no longer free! They are ominously promising to raise the price further as well. I will say that FPV works very well for me. FPV guys, if you’re reading this, please consider keeping the non-Pro version free or super-affordable (like $5.99).
Thank you Rob for helping us find a suitable alternative for something that would seem so simple for Nikon to supply. Unfortunately, it seems FPV has raised the price to $8.99. I just can’t justify spending $9 just to have the ability to view my .NEF files in windows when Nikon should have taken care of months ago this for free.
Paul
I just ended up paying $9.99 for FPV. I hope it works. I like to use Windows Explorer for initial sorting before bringing photos into Photoshop Elements. I really like the idea of a FAST codec!
1.9 is out now
http://www.nikonimglib.com/nefcodec/
Still no 64bit support.. that’s really quite sad.
Hi there
From a confused OAP, what do I download to view NEF files in Windows Explorer Using Windows 7
Many thanks in advanced
Bob
Hi
Said I was confused, meant Thumbnails
Thanks
Bob
I run PhotoShop CS4 with 64-bit Vista. What I did was go to Adobe and there is a free patch to their Codecs to include my Nikon 300s. Maybe that will work?????
Got free version off cnet.com at following link:
http://download.cnet.com/1770-20_4-0.html?query=fastpictureviewer+64-bit&tag=srch&searchtype=downloads&filterName=platform%3DWindows%2CWebware&filter=platform%3DWindows%2CWebware
If that link doesn’t work, try using the search box on cnet. I input FastPictureViewer 64-bit, which took me to the above link.
Nikon really disappoints on this issue. No excuse on their part for not having a free 64-bit codec for NEF files to be viewed in Windows. Spend thousands of dollars on their equipment, least they could do is provide us with that! Thankfully CNET saves the day once again!
Thank you CNet and thank you cd!!! Worked like a charm for my Windows 7 64bit
As an update. After taking a closer look and sharing the download link it was pointed out to me that this is a TRIAL version. Now, everything installed fine and I have nothing stating it’s trial in the install but that’s what CNet and FPW’s website says. Also, after searching everywhere I can’t find anything stating how long the trial period is. Well, it’s up and running now. If it comes to an end I’ll be sure to post and let you guys know.
I just thought I’d mention that even though I was happy FPV was found for free and it may turn out to be trail software that hasn’t discouraged me with FPV. These guys have put effort into this software and are deserving of compensation for putting this out. My utter disappointment lies with Nikon for not offering a 64bit NEF codec to simply view your images in Windows without opening a third party software.
@Paul B: Glad you found the FastPictureViewer Professional trial!
Just to clarify, there are two products: the first is the “FastPictureViewer Codec Pack” and the second is “FastPictureViewer Professional”, a standalone raw image viewer application that you installed, which ships with most codecs from the first product and comes with a trial license lasting a few weeks.
Rob’s article refers to the Codec Pack, which is all you need to enable support for raw formats in Windows Explorer and Windows Photo Viewer (thanks Rob, and BTW we heard your remark about keeping the codec’s price affordable!)
The FastPictureViewer Codec Pack was initially released as “donationware” for about 6 months, but unfortunately the “donation” part did not work so well despite the huge enthusiasm, so we changed the licensing and now ask for a modest fee to cover the development and testing costs, which helps us deliver a robust (and supported) product.
–Axel (“the FPV guy”)
hai i cont view the photos on windows 7