The File Browser tab is where you review your photos, select photos for editing, or perform batch-editing operations. It consists of the following parts:
The left panel:
The “Places” panel on the top links to your home folder, USB card readers, the system’s default “photos” folder, or custom folders;
Below this is a standard tree-type file browser that you can use to navigate to folders containing your photos;
The right panel:
The “Filter” tab lets you show only photos which match the parameters you specify;
The “Inspect” tab shows a preview at a fixed scale of 100% of the image your mouse cursor is hovering over;
The “Batch Edit” tab allows you to apply tool settings to the selected image or images;
The “Fast Export” tab lets you quickly process the selected images;
The central panel shows thumbnails of the folder currently selected;
You can hide the left and right panels using the Show/Hide buttons;
You can filter the visible photos by using the buttons in the File Browser’s or Filmstrip’s top toolbar, as well as by using the “Find” box or the “Filter” tab;
RawTherapee allows you to rank images between 0 and 5 stars;
Editor:
The central panel holds a preview of your photo. This preview is generated from the actual raw data by processing it according to the settings;
Processing profiles support via sidecar files with the ability to fully and partially load, save and copy profiles between images;
Exposure control and curves in the Lab* and RGB color spaces;
CIECAM02 mode;
Advanced highlight reconstruction algorithms and shadow/highlight controls;
Tone mapping using edge-preserving decomposition;
Pre-crop vignetting correction and post-crop vignetting for artistic effect;
Graduated filter;
Various methods of sharpening;
Various methods of noise reduction;
Detail recovery;
Removal of purple fringing;
Manual and automatic pre- and post-demosaic chromatic aberration correction;
Advanced wavelet processing;
Retinex processing;
White balance (presets, color temperature, spot white balance and auto white balance);
Channel mixer;
Black-and-white conversion;
Color boost and vibrance (saturation control with the option of preserving natural skin tones);
Hue, saturation and value adjustments using curves;
Various methods of color toning;
Lockable color picker;
Wide gamut preview support on Windows and Linux, while the macOS preview is limited to sRGB;
Soft-proofing support;
ICC color profiles (input, working and output);
DCP color profiles (input);
Support for Adobe Lens Correction Profiles (LCP);
Cropping, resizing, post-resize sharpening;
Rotation with visual straightening tool;
Distortion correction;
Perspective adjustment;
Flat field removal (hue shifts, dust removal, vignetting correction);
Hot and dead pixel filters;
Metadata (Exif and IPTC) editor;
Input file formats: supports most raw formats, including Pentax Pixel Shift, Canon Dual-Pixel, and those from Foveon and X-Trans sensors. It also supports common non-raw image formats like JPEG, PNG and TIFF as well as high dynamic range, 16/24/32-bit raw DNG images;
Output file formats: TIFF (8-bit and 16-bit), JPEG (8-bit), PNG (8-bit and 16-bit);
