Remove Background
Background Remover - Remove background online by clicking colors
Input Image
or drop image here
Working Area
Please upload an image first
How to Use
Upload Image
Click 'Select File' button or drag image to upload area
Click Color to Remove
Click on background colors you want to remove. Connected Area mode (recommended) only removes continuously connected similar colors from click position, staying within boundaries precisely. Click multiple times to remove different color areas
Adjust Tolerance
If the result isn't ideal, adjust color tolerance. Higher tolerance removes wider range of similar colors
Download Transparent Image
When satisfied, select PNG format to download with transparent background preserved
Why Choose Our Background Remover?
Simple Color-Picking Removal
No complex operations needed, just click the color area to remove. Our background remover automatically identifies and removes similar colors to remove background quickly.
Precise Connected Area Detection
Uses Flood Fill algorithm to only remove continuously connected similar colors from click position, never crossing boundaries. Like Photoshop's Magic Wand, stops precisely at color edges. Adjustable tolerance, supports multiple color removals.
Real-time Transparency Preview
Checkerboard pattern shows real-time transparency effect. Supports undo and reset, giving you complete control to remove background online.
100% Free Local Processing
All background remover processing happens locally in your browser. Images never upload to server. Completely free, no registration required, protecting your privacy.
Frequently Asked Questions
How to remove background online?
Using our free background remover is simple. After uploading your image, just click the background color you want to remove. The tool will automatically remove image background. You can adjust tolerance to control removal range and click multiple times to remove different colors. All remove background online operations happen in your browser.
What is Connected Area mode and why is it more precise?
Connected Area mode uses Flood Fill algorithm, similar to Photoshop's Magic Wand tool. It only removes **continuously connected** similar colors from the click position, never crossing color boundaries to other areas. This is why it can stop precisely at edges without going over to remove other color regions. Global mode removes all similar colors across the entire image.
Can I remove multiple colors?
Yes! You can click different color areas on the image multiple times. Each click removes one color and its similar shades. If you remove incorrectly, use the undo function. This makes the remove background process more flexible and controllable.
Does background removal lose quality?
No. Our background remover uses high-quality canvas technology to process images. Choose PNG format for lossless save with transparent background. All remove image background processing happens locally in your browser, ensuring original quality.