1 ---
2 name: remove-image-background
3 description: Remove backgrounds from existing images, producing transparent PNG files.
4 ---
5
6 # Remove Image Background Skill
7
8 Remove the background from an existing image file in the project, producing a transparent PNG.
9
10 ## Available Functions
11
12 ### removeImageBackground(imagePath, ...)
13
14 Remove the background from an existing image file.
15
16 **Parameters:**
17
18 - `imagePath` (str, required): Path to the input image file
19 - `outputPath` (str, optional): Path to save the result PNG. Defaults to replacing the extension with `_no_bg.png`
20
21 **Returns:** Dict with `outputPath` key containing the path to the saved result
22
23 **Example:**
24
25 ```javascript
26 const result = await removeImageBackground({
27 imagePath: "attached_assets/photo.jpg",
28 outputPath: "attached_assets/photo_no_bg.png"
29 });
30 console.log(`Result saved to: ${result.outputPath}`);
31 ```
32
33 ## When to Use
34
35 - User has an existing image and wants its background removed
36 - User uploads a photo and asks to make the background transparent
37 - Creating transparent versions of logos, product photos, or portraits
38 - Preparing images for compositing or overlay on other backgrounds
39
40 ## Best Practices
41
42 1. **Output must be PNG**: The output file must have a `.png` extension since transparency requires PNG format
43 2. **Use default output path when possible**: Omit `outputPath` to automatically save as `<original_name>_no_bg.png`
44 3. **Supported input formats**: Works with common image formats (PNG, JPG, JPEG, WebP, etc.)
45
46 ## Output Location
47
48 - Default output: Same directory as input, with `_no_bg.png` suffix
49 - Custom output: Any path ending in `.png`
50
51 ## Limitations
52
53 - Output format is always PNG (required for transparency)
54 - Very complex backgrounds or low-contrast edges may not be perfectly removed
55 - Works best with clear foreground subjects (people, objects, logos)