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  • Open-source, cross-platform.
  • Easy camera-like starting point. By default, RawTherapee matches your raw photo to look like the out-of-camera JPEG photo. You can export as-is, or make further tweaks.
  • RawTherapee uses SSE optimizations for better performance on modern CPUs, and performs calculations in floating point precision.
  • Color management using the LittleCMS color management system.
  • Supports DCP and ICC color profiles.
  • Supports most raw formats, as well as floating-point HDR images in the DNG format. Also supports JPEG, TIFF and PNG.
  • Support for film negatives and monochrome cameras.
  • Queue your photos for later exporting, freeing up your CPU for working with the preview in a responsive way.
  • Rate photos using a 0-5 star system (ratings are read from Exif and XMP), tag them by color, filter by filename and metadata.
  • Scroll the tool panels using your mouse scroll wheel without worrying about accidentally misadjusting any tools, or hold the Shift key while using the mouse scroll wheel to manipulate the adjuster the cursor is hovering over.
  • Efficient use of vertical screen space by right-clicking on a tool to expand it while automatically collapsing all other tools.
  • A Before|After view to compare your latest change to any previous one.
  • Lossless editing - all adjustments are stored in PP3 sidecar files.
  • Dedicated command line support to automate RawTherapee using scripts or call it from other programs.
  • Preserve, edit or strip metadata from exported images.
  • Localized in over 15 languages.
  • Adaptation of the CIECAM02 color appearance model ratified by the International Commission on Illumination (CIE) to maintain accurate colors and to, given a set of initial viewing condition parameters, convert the image so that it will look the same under the target viewing conditions.
  • Profiled lens correction (vignetting, distortion, chromatic aberration) using Lensfun or Adobe Lens Correction Profiles (LCP).
  • Dark frame subtraction and flat field correction to eliminate some forms of noise and sensor dust and correct vignetting and lens color casts.