Remove Background in Paint.net — 3 Methods
Magic Wand, Layer Mask, and Plugin
Paint.net is a free Windows image editor that's more powerful than MS Paint but simpler than Photoshop. It has three viable approaches to background removal.
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Method 1 — Magic Wand Tool (Fastest)
Best for: simple images with solid-color backgrounds
Open your image in Paint.net
Drag and drop your image onto the Paint.net window, or File → Open.
Select the Magic Wand tool
Press K to activate the Magic Wand. Set the Tolerance to 20–40.
Click the background
Click once on the background area. Use Ctrl+Click to add areas, Alt+Click to subtract.
Delete and export
Press Delete to remove the selected background. Export as PNG.
Method 2 — Background Remover Plugin (AI-Assisted)
Best for: faster results without manual selection work
Install the Background Remover plugin
Download from the Paint.net plugin forum. Copy the .dll to your Paint.net\Effects folder.
Restart Paint.net
The new plugin appears under Effects → Background Remover.
Run the effect
Go to Effects → Background Remover. Adjust the threshold if needed. Click OK.
Export as PNG
File → Save As → PNG. Make sure 'Save transparency' is checked.
Paint.net background removal — frequently asked questions
Does Paint.net have automatic background removal?
Paint.net doesn't have a built-in AI background remover, but the Background Remover plugin adds one. Without plugins, the Magic Wand tool is the fastest approach.
Can Paint.net save PNG with transparency?
Yes. When saving, check the 'Save transparency' option. The image must be in RGBA mode (Image → Mode → RGBA).
Is Paint.net free?
Paint.net is free for Windows. Download from getpaint.net.
Skip the plugin install — remove background in 5 seconds
BGRemover runs in any browser, no install, no plugin. Open /workspace, upload your image, and download a transparent PNG in 5 seconds.