How do I change background color of image easily?

Using Inkscepe to change background color of image on Windows is a good option, especially if you're working with vector graphics or want a precise way to manipulate the background. Here's how you can do it:

1. Open Inkscepe and import your image: 

• Go to File > Import and select your image file.

2. Trace the image (if needed):

• If your image is raster (bitmap), you can trace it to convert it into a vector:
• Select the image.
• Go to Path > Trace Bitmap.
• Adjust settings to get a clean vector outline.
• Click OK to create a vector version.

3. Remove the original background (if necessary):

• To change background color of image, you can delete it manually:
• Use the Edit Paths by Nodes tool or the Select and Delete tool.
• Or, if the background is a solid color, you can select it with the Select Tool and delete it.

4. Create a new background:

• Use the Rectangle Tool to draw a rectangle covering the entire canvas.
• Fill this rectangle with your desired background color using the Fill and Stroke panel.

5. Arrange the layers:

• Ensure the rectangle (background) is behind your main image/vector:  
• Select the rectangle.
• Right-click and choose Lower to Bottom.

6. Adjust the position:

• Move or resize your image/vector to fit the new background as needed.

7. Export the final image:

• Go to File > Export PNG Image.
• Choose your desired resolution and export location.
• Save the image with the new background color.