Can I swap colors in a PNG that has transparency?

Yes, the tool processes the visible colors in the PNG; transparent areas are preserved and not affected by the color exchange.

What happens if the two colors I select are very similar?

The swap will replace pixels that match the exact selected colors; if the hues are too close, some pixels may be missed or only partially swapped.

Is there a file size limit for the PNG I can upload?

The material does not specify a maximum file size, but very large images may take longer to process due to browser-based handling.

Can I swap more than two colors at once?

No, the tool is designed to exchange exactly two chosen colors per operation; additional swaps would require running the tool multiple times.

Image ToolsFree Tool

Swap PNG Colors

Provided byOnline PNG Toolsonlinepngtools.com

Exchanges two chosen colours throughout the image.

Use This Tool

browser-based image png

Screenshot of Swap PNG Colors on Online PNG Tools — onlinepngtools.comOpen the live tool →

About this tool

What Swap PNG Colors does

Swap PNG Colors is a web-based utility that lets users exchange two specific colors across an entire PNG image. By uploading a file and selecting the two hues to trade, the tool automatically replaces every instance of the first color with the second and vice versa, delivering a modified image ready for download. This provides a quick way to rebalance color palettes or test alternative schemes without manual editing. Online PNG Tools offers a straightforward, no-frills interface focused on the core color-swapping function. The process runs entirely in the browser, and the site emphasizes that the service is free, quick, and powerful, with examples available for inspiration. Compared to other image editors, this tool strips away complex menus and focuses solely on the color exchange task, making it accessible for users who need a simple, direct solution for palette adjustments.

Step by step

How to use the Online PNG Tools Swap PNG Colors

1
Upload a PNG image by clicking the import area or dragging a file into the editor on the left
2
Select the two distinct colors from the original palette that you wish to exchange
3
The tool automatically processes the image, swapping all instances of the chosen colors
4
View the result instantly on the right side of the screen
5
Download the modified PNG file to your device

Is it right for you

Best for

Graphic designers, artists, and web professionals who need to quickly rebalance or experiment with color palettes in PNG images without using complex software.

Limitations

Only works with PNG files; other formats must be converted first
Color swapping is based on exact color matches and may not handle gradients or anti-aliased edges perfectly
No option to preview or adjust the swap tolerance before processing the full image

Questions

Swap PNG Colors FAQ

Can I swap colors in a PNG that has transparency?: Yes, the tool processes the visible colors in the PNG; transparent areas are preserved and not affected by the color exchange.
What happens if the two colors I select are very similar?: The swap will replace pixels that match the exact selected colors; if the hues are too close, some pixels may be missed or only partially swapped.
Is there a file size limit for the PNG I can upload?: The material does not specify a maximum file size, but very large images may take longer to process due to browser-based handling.
Can I swap more than two colors at once?: No, the tool is designed to exchange exactly two chosen colors per operation; additional swaps would require running the tool multiple times.

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