Background Remover（Make image backgrounds transparent）
Free online background remover. Click the background color to make it transparent and save as PNG. Runs fully in your browser — your image is never sent to a server.
Drop image files here
or
Supported formats: JPEG, PNG, WebP
What the Background Remover Can Do (Make White or Solid Backgrounds Transparent)
The background remover is an online tool that makes the background of a photo or logo transparent with a click and saves the cut-out as a transparent PNG. For product photos on a white or solid-color background, you only pick the background color to remove it — no tedious manual masking required.
By combining a color-key approach with flood fill (a magic wand), it removes only the connected, similar-colored background around the point you click. A tolerance slider lets you widen or narrow the area being made transparent so you get exactly the cutout you want.
Click a color to make the background transparent
Just click the background color you want to remove and similar colors are made transparent together. Use the magic wand for the connected region only, or the color key to clear matching colors across the whole image.
Fix leftover or over-removed areas with manual brushes
Use the erase brush for spots the automatic removal missed, and the restore brush to bring back parts of the subject that were removed by mistake. Feathering smooths jagged edges.
Remove an Image Background in 3 Steps (Click the Background Color to Cut Out)
Upload an image and pick the background color
Drag and drop a JPG, PNG, or WebP image, then click the background color you want to make transparent.
Adjust the area with the tolerance slider
If too much of the background disappears, lower the tolerance; if some remains, raise it to fine-tune the transparent area.
Save and download as a transparent PNG
Once you're happy with the result, download it as a transparent PNG that preserves the see-through areas.
Why Background Remover on sakutto is safe
Many online tools upload your files to external servers for processing. This tool never sends your image files to any server — everything is processed entirely in your browser.
* Some AI-powered tools require server-side processing. Tools that send data to a server will always notify you beforehand.
| Comparison | Typical online tools | sakutto |
|---|---|---|
| Where data is sent | Uploaded to external servers | Nowhere — processed in your browser |
| Data leak risk | Risk during transfer and server storage | No risk — no network transfer occurs |
| External traffic | File data travels over the internet | No file data appears in network logs |
| Offline use | Not possible (server required) | Works offline after initial load |
How browser-based processing works
- WebAssembly (WASM): Processes image files in your browser at near-native speed. No server communication occurs.
- Web Workers: Runs on a background thread separate from the main thread, so your browser stays responsive during processing.
- After processing, your browser automatically frees the data from memory. No image files remains outside your device.
For IT security teams: How to verify
You can verify that sakutto never sends your image files externally by checking the Network tab in your browser's DevTools while using the tool. You'll see that no requests involving your image files are made. This can also serve as documentation for your IT security team.
Images That Cut Out Cleanly vs. Images the Tool Struggles With
White or solid-background product photos are removed with high accuracy
Product photos on a white background for marketplaces and online shops, and logos or icons on a solid background, cut out with high accuracy because the subject and background are clearly different colors.
Hair and complex backgrounds may need an AI tool
Fine outlines like a person's hair, or photos where the subject and background are close in color, are hard for a color-key approach. Touch them up with the manual brush, or use an AI-based cutout instead.
Background Removal Use Cases (Marketplace Product Photos, Logos, Thumbnails)
Whiten product photos for marketplaces and online shops
Making the background of marketplace and e-commerce product photos transparent gives a clean, white look that makes the item stand out, and makes compositing onto another background easy.
Turn a logo's white background into a transparent PNG
Removing the white background from a logo or icon and saving it as a transparent PNG lets it blend onto any background color — documents, thumbnails, or websites.
Background Remover FAQ
What format is the background-removed image saved in?
It is saved as a transparent PNG, which preserves the alpha channel. Because JPG cannot store transparency, images with a removed background are always downloaded as PNG.
Which image formats (JPG, PNG, WebP) can be made transparent?
You can load JPG, PNG, and WebP images to remove their background. The output is always a transparent PNG.
Can it cleanly cut out complex backgrounds?
Product photos and logos on a white or solid background are removed with high accuracy. Complex images such as hair or subjects that are close in color to the background are harder for a color-key approach, so manual brushing or an AI-based cutout tool works better.
Can I remove backgrounds on my phone?
Yes. It works in mobile browsers — just tap the background color to make it transparent. All processing happens on your device, and your image is never sent to a server.
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