Method 1: On Windows (MS Paint)
If you are using a PC, the absolute fastest way to invert colors is by using the built-in MS Paint application. It has had this feature for over 20 years.
- 1
Right-click your image file and select Open with > Paint.
- 2
Press Ctrl + A on your keyboard to select the entire canvas.
- 3
Right-click anywhere on the image and select Invert color (or press Ctrl + Shift + I). The colors will flip instantly.
- 4
Save your new image.
Method 2: On Mac (Preview)
On macOS, you can use the built-in Preview app to manually drag the color curves, which achieves the exact same inverted effect.
- Open your image in Preview.
- Go to the top menu and select Tools > Adjust Color.
- In the adjustment panel that appears, find the graph with the diagonal line (the color curve).
- Click the slider on the bottom left and drag it to the top left. Then click the slider on the top right and drag it to the bottom right. This flips the curve and inverts the image.
Frequently Asked Questions
What does it mean to invert colors?
Inverting colors means flipping every color in an image to its exact mathematical opposite on the color wheel. White becomes black, red becomes cyan, green becomes magenta, and blue becomes yellow. This creates the classic 'photo negative' effect seen in old film cameras.
Can I invert colors natively on my iPhone?
No, the Apple Photos app does not have an 'Invert Colors' button in its editing suite. If you just want to view your screen in inverted colors, you can turn on 'Smart Invert' or 'Classic Invert' in your Accessibility settings, but this won't save the image file as inverted.
Why would I need to invert an image?
The most common reasons are artistic expression, turning a white logo into a black logo for graphic design purposes, or making a blindingly bright schematic/blueprint easier to read in a dark room by turning the white background black.