GIMP is the software, but you’ll need UFRaw to open and work on raw format files. It converts the images so you can work on them. The Unidentified Flying Raw (UFRaw) is a program that reads raw files for you. It works both as a standalone program and as a plug-in. UFRaw reads raw images, using dcraw as a back end, and supports color management via LittleCMS, allowing the user to apply input, output, and display color profiles. This allows UFRaw to support a variety of raw image formats. UFRaw has been unmaintained since 2016-12-17. The UFRAW Window. Guru raghavendra vaibhava serial all episodes. Click to see a larger version of this image. Good news everyone! If you downloaded GIMP from this site UFRAW may have come with your GIMP installation. If that’s the case, you won’t have to do anything. To check if you’ve already got UFRAW installed on your computer, follow these steps: Open GIMP. UFRaw is a GUI for reading RAW files from digital cameras and compressing them to 8bit per channel low dynamic range images. UFRaw is based on the dcraw command-line tool and has the same capabilities. There are two tools provided with UFRaw: A plugin for the gimp image editor allowing interactive opening of RAW files.

Ufraw For Mac Os X 10.7
Ufraw Mac Os X

Many photographers keep their originals in some sort of lossless RAW format instead of compressed JPEG, especially when shooting with a Digital SLR. Some mobile phones also support RAW or use HEIC/HEIF for a similar purpose. PhotoPrism aims at providing excellent support for all RAW formats, independent of camera brand and model. Please let us know when there is an issue with your specific device.

Web browsers in general can not display RAW image files. They need to be converted, which is what our import and convert commands do. You'll also find a checkbox for this step in our Web UI.

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In addition, PhotoPrism now also supports TIFF, PNG, BMP and GIF files. Be aware that files in those formats often don't contain useful metadata and are typically used for screenshots, charts, graphs and icons only.

Sips¶

On a Mac, PhotoPrism can convert multiple files at once using Sips (pre-installed on OS X). It is not available for other operating systems, as far as we know.

Darktable¶

We've recently upgraded Darktable from 2.6.2 to 3.0.0. Since the old PPA is not maintained anymore, we switched to this repository that is hosted by SuSE:

Note that PhotoPrism can only run one instance of darktable-cli because it uses a lock file. If you run it more than once, it will fail. Be prepared to wait a bit.

Using Darktable as library¶

We had the idea to use cgo and link directly against libdarktable.so to convert RAW images to JPEG, see darktable-dev mailing list. However this requires calling/wrapping a large number of C functions and also has other disadvantages. The idea is postponed until a clear benefit becomes visible. Running darktable-cli or any other binary that does the job (see above) seems to be the way to go.

Comparison of RAW to JPEG converters¶

darktable - popular open-source photography app and raw developer; available for Mac, Linux and Windows; supports XMP (compatible with photoshop/lightroom?)
Mac OS X ships with sips: sips -s format jpeg IMAGE.RAW --out IMAGE.JPG
Photivo - open-source photo processor; available for Mac, Linux and Windows; no XMP support?
RawTherapee - open-source RAW image processing app; available for Mac, Linux and Windows; no XMP support?
digiKam - open-source digital photo management application based on Qt (KDE); available for Mac, Linux and Windows; supports XMP (compatible with photoshop/lightroom?)
UFRaw - Unidentified Flying Raw is a utility to read and manipulate raw images from digital cameras

Tool	Command line options	Compatible OS	JPG Diff*	XMP support	Possible settings	EXIF Diff*	Compatible with Raspberry (ARM64)
Darktable	1) `darktable-cli IMG_0310.CR2 IMG_0310_darktable1.jpg` 2) `darktable-cli IMG_0310_EDITED.CR2 IMG_0310_EDITED.xmp IMG_0310_EDITED_darktable2.jpg`	MacOSx, Linux, Windows	****	yes (but seems to be not compatible with adobe xmps)	?	****	yes
Sips	`sips -s format jpeg IMG_0310.CR2 --out IMG_0310_sips.jpg`	MacOSx	*****	no	?	****	not available for ubuntu
Rawtherapee	`rawtherapee-cli -o IMG_0310_rawtherapee.jpg -c IMG_0310.CR2`	MacOSx, Linux, Windows	***	no	?	****	yes
UFraw	`ufraw-batch --out-type=jpg --output=IMG_0310_ufraw.jpg IMG_0310.CR2`	MacOSx, Linux, Windows	*	no	?	**	yes
ImageMagick	`magick IMG_0310.CR2 IMG_0310_magick.jpg`	MacOSx, Linux, Windows	*	no	?	**	yes
Digikam	?	MacOSx, Linux, Windows	-	-	-	-	-
Photiva	?	MacOSx, Linux, Windows	-	-	-	-	-
`*` Compared to JPG/EXIF converted from photoshop

Image Diff¶

The following table shows the difference between the JPEG files converted by Darktable, Sips, Rawtherapee, UFraw and ImageMagick compared to Adobe Photoshop. Red are pixel that differ from the photoshop version, white are equal pixels. In total 5 Images have been compared (full results). The diff was created using https://github.com/ewanmellor/git-diff-image.

Tool	Diff (left is Photoshop)
Darktable
Sips
Rawtherapee
UFraw
ImageMagick

EXIF Diff¶

The following table shows the difference between the JPG files converted by the tools compared to JPG files converted by photoshop. 5 Images have been compared.

Info	Photoshop	Sips	Darktable	Raw-therapee	Image Magick	UFraw
Kind	identical	identical	identical	identical	identical	identical
Size	2.881.969 bytes (EXIF)/ 2.7M (ls -alh)	2.673.777 bytes / 2.5M	5.446.710 bytes / 5.2M always bigger	3.467.998 bytes / 3.3M	3.467.998 bytes / 3.3M	1.558.587 bytes / 1.5M always smaller
Where	reference	different	different	different	different	different
Created	reference	different	different	different	different	different
Modified	reference	different	different	different	different	different
Dimension	identical - 5472 × 3648	5472 × 3648	different - 5494 × 3666	different - 5488 × 3662	different - 5496 × 3670	different - 5496 × 3670
Device Make	refrence	identical	identical	identical	not set	not set
Colour space	reference	identical	identical	identical	identical	identical
Colour profile	Adobe RGB (1998)	different - Display P3	different - sRGB	different - RTv2_sRGB	not set	not set
Focal length	reference	identical	identical	identical	not set	not set
Alpha Channel	reference	identical	identical	identical	not set	not set
Red eye	reference	identical	identical	identical	not set	not set

Ufraw For Mac Os X