REDLIGHT
A fast, lightweight RAW image editor for photographers and artists.
FEATURES
- Non-destructive editing — original RAW files are never modified
- 35+ RAW formats — CR2, CR3, ARW, NEF, DNG, ORF, RAF, RW2, PEF, and many more
- GPU acceleration — OpenCL support for faster previews on discrete GPUs, automatic CPU fallback
- HSL panel — per-color hue, saturation, and luminance adjustments across 8 color ranges
- Smart eyedropper — sample a color from your image, drag to adjust matching sliders proportionally
- Per-image adjustments — each image remembers its own settings across sessions
- Batch editing — select multiple images and adjust them all at once
- Copy/paste adjustments — Ctrl+C to copy, Ctrl+V to paste, Ctrl+R to reset
- Auto-adjust — compute optimal exposure and color settings, then fine-tune manually
- Real-time histogram — RGB and luminance channels with clipping indicators
- Before/after comparison — draggable split-view to see your edits side by side
- Professional crop tool — rule of thirds overlay, aspect ratio presets, custom resolution
- Denoise — multiple noise reduction methods with adjustable strength
- Batch export — export entire collections with optional watermarks using multiple CPU cores
- Customizable themes — dark/light modes with custom accent colors
- Automatic RAW brightness — correct exposure for all major camera brands out of the box
SCREENSHOTS
SUPPORTED FORMATS
.cr2, .arw, .dng, .ari, .cr3, .crw, .cs1, .bay, .eip, .erf, .cxi, .raf, .gpr, .3fr, .fff, .kc2, .dcr, .k25, .kdc, .mos, .rwl, .mfw, .mef, .mdc, .mrw, .nef, .nrw, .orf, .rw2, .pef, .iiq, .raw, .rwz, .j6i, .srw, .x3f, .sr2, .srf
WHAT'S NEW
v1.4.0
- HSL panel — per-color hue, saturation, and luminance adjustments across 8 color ranges
- Smart eyedropper — sample colors from your image and drag to adjust sliders proportionally
- New keyboard shortcuts — B for before/after view, C for crop mode
- Reorganized denoise panel — noise reduction slider and method dropdown grouped together
- Automatic RAW brightness — works correctly for all Sony, Canon, Nikon, Fuji cameras
- Fixed bottom bar navigation and zoom buttons
- Fixed uppercase RAW extensions on Linux (.ARW vs .arw)
- Fixed eyedropper drag conflict when zoomed in
DOWNLOADS
RedLight is free and in active development. New features and improvements are added regularly.
FAQ
Is RedLight free?
Yes. RedLight is completely free with no ads or limitations.
What RAW formats does RedLight support?
RedLight supports 35+ RAW formats including CR2, CR3, ARW, NEF, DNG, ORF, RAF, RW2, and PEF.
Does RedLight modify my original files?
No. RedLight uses non-destructive editing, so your original RAW files are never changed.
Does RedLight support batch editing?
Yes. You can batch adjust and export multiple images at once, with optional watermarks.
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