Color Efex Pro 4
Color Efex Pro 4 is a macOS photo effects and color editing app for applying creative filters, tonal adjustments, and stylized looks to images.
What is Color Efex Pro 4?
Color Efex Pro 4 is a photo editing application and plug-in focused on creative color work, image enhancement, and stylized photographic effects. It is used by photographers and image editors to adjust contrast, color balance, tonal range, atmosphere, and finishing treatments without building every effect manually. The app includes a wide selection of filters for tasks such as color correction, black-and-white toning, glow, diffusion, polarization, graduated adjustments, and vintage or cinematic looks. It can be used in editing workflows as part of the Nik Collection and is commonly launched from supported host photo apps or used on its own for single-image editing. On macOS, it fits best in photo finishing workflows where users want fast visual experimentation and preset-based editing.
Key features
- Apply creative filters for color correction, contrast, toning, and stylized looks
- Adjust specific areas of a photo with selective local edits
- Preview before-and-after changes while refining an image
- Use stacked filters to combine multiple effects in one edit
- Create or reuse presets and recipes for repeatable photo styles
- Add effects such as glow, diffusion, graduated adjustments, and film-inspired treatments
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Safety overview
Status: Safe
Color Efex Pro 4 is legitimate photo-editing software. It normally needs access to images you open or send from a host editor, and that level of file access is expected for its purpose. Removing it will mainly affect your Nik Collection editing workflow, presets, and host-app integration rather than macOS itself. If you still use compatible photo apps or saved presets, keep it installed.
Recommendation: Keep Color Efex Pro 4 if you edit photos with Nik Collection or rely on its presets and filters. Remove it only if you no longer use its editing tools or related plug-in workflow, and expect host-app menu entries or saved style workflows to stop working afterward.
Common paths
/Applications/Nik Collection/Color Efex Pro 4.app~/Library/Preferences/DxO/Color Efex Pro 4~/Library/Preferences/Google/Color Efex Pro 4
Preference paths
~/Library/Preferences/DxO/Color Efex Pro 4~/Library/Preferences/Google/Color Efex Pro 4
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