無料AI背景除去器
画像、ポートレート、製品写真から即座に背景を削除。背景を単色、グラデーション、またはカスタム画像に置き換え。完全に無料で安全。写真がデバイスから離れることはありません。
初回利用時はブラウザがAIモデル（約100MB、以降はキャッシュ）をダウンロードします。モバイル通信の場合はWi-Fiの利用をおすすめします。
無料で画像の背景を削除する方法
画像の背景を削除するには、以前は高価なソフトウェアが必要でした。ImageFixrのAI背景除去器を使えば、完全に無料で数秒以内に完璧な透明PNGを作成できます。
- 画像をアップロード：明確な被写体（人物、ペット、車、製品）を含む写真を選択。:
- AI魔法：ローカルにホストされたニューラルエンジンがクラウドサーバーにアップロードせずに自動的に被写体を分離。:
- カスタマイズ：透明のまま、電子商取引用に白などの単色を追加、鮮やかなグラデーションを適用、または全く新しい背景をアップロード。:
- ダウンロード：新しい高解像度コンポジットを即座にエクスポート。:
無料の背景削除ツールを使う理由
AmazonやShopifyなどのマーケットプレイスは白無地背景の商品写真を求めます。撮影ボックスなしでその状態にできます
被写体を別の背景に置きたいYouTubeサムネイル、Instagram投稿、プロフィール画像に便利です
写真がアップロードされることはありません。モデルはWebAssemblyでブラウザ内で動くため、ファイルを受け取ること自体がありません
アカウント・クレジット・透かしなしで、HD画像を無制限にダウンロードできます
髪の毛のような細かい部分は、このツールを含めどの自動切り抜きでも難所です。シンプルで明るく写った被写体ほどきれいな輪郭になります
What Can You Do With a Transparent Background?
Nobody removes a background just to stare at a transparent checkerboard. It's what you do next that matters. Here are some of the most common things people use background-free PNGs for, and a few you might not have thought of.
Selling Stuff Online
Most marketplaces want product photos on a clean white background. Remove the background, drop in white, and you've got listing-ready images without renting a photo studio. This is probably the single most common reason people use this tool.
YouTube Thumbnails That Actually Get Clicks
There's a reason every big creator uses cutout photos on colorful backgrounds. They pop. Cut yourself out of a photo, slap a gradient behind you, add some text. It's the YouTube thumbnail formula, and it works.
Logos Without the White Box
We've all seen it: someone drops their logo on a website and there's a white rectangle around it. Transparent PNGs fix that. If you have a logo scan or screenshot, run it through here and you'll never have the white box problem again.
Photo Compositing
Want to put your family on a beach they've never visited? Combine product shots into a collage for a campaign? Background removal is step one for basically all composite work, whether you're in Photoshop, Canva, or anything else.
Profile Pictures
A clean headshot without a messy background looks better everywhere, LinkedIn, Slack, Zoom, you name it. Works on light themes, dark themes, whatever. Just remove the background and you're good.
Print-on-Demand Designs
If you're designing merch (t-shirts, mugs, phone cases), you need transparent PNGs. That's just how print-on-demand works. The design sits on the product, not a white square on the product.
Why We Don't Upload Your Photos
We got tired of uploading personal photos to random servers. Every other background remover out there sends your images to their cloud, processes them on hardware you can't see, and pinky-promises to delete them afterward. Maybe they do. Maybe they don't. We didn't love that tradeoff.
So we built something different. The AI model gets compiled to WebAssembly and runs right in your browser. It downloads once, caches locally, and after that everything happens on your machine. Your photos never leave your browser. Period. We literally couldn't see them even if we wanted to.
What's Actually Happening Under the Hood
The neural network looks at every pixel in your image and decides: is this the subject, or is this background? That decision creates a mask. Background pixels get their transparency cranked to zero, and you're left with a full-resolution PNG of just the subject. It's the same approach the big commercial tools use. We just do it locally.
What Works (and What Doesn't)
- Clear contrast between subject and background? You'll get a great result. A person in front of a wall, a product on a table, those are easy wins.
- Wispy hair, fur, or really fine edges are the hardest. The AI does its best, but don't expect pixel-perfect cuts around flyaway strands.
- Bigger photos give sharper edges. If you're starting from a tiny thumbnail, the result won't be as clean.
- Good lighting matters more than you'd think. Even, diffused light beats harsh shadows every time.
Frequently Asked Questions
How does this actually work?
Short version: a neural network runs in your browser (not on our servers), looks at every pixel, and decides what's "subject" and what's "background." Background gets made transparent, you get a clean PNG. Your photos never leave your device.
Why PNG? Can I get a JPG instead?
JPEG doesn't support transparency. There's no way around that. So the output is always PNG. If you need a JPEG for some reason, just open the PNG in any editor and export it with a white background. But for most uses (design tools, product listings, overlays), transparent PNG is what you want.
It's taking forever on my first image, is it broken?
That's completely normal. The first time, your browser downloads the AI model (usually 10-20 seconds, depending on your connection). After that it's cached, so every image after the first processes much faster.
I need to remove the background from a product photo, not a person. Does that work?
It works well for most products, animals, and cars, anything with a clear outline against a reasonably distinct background. It's a common question, and product photos are probably the single most popular use for this tool.
Can I swap in a different background color?
Yes. Once the background is gone, you can keep the transparency, fill it with a solid color (white is popular for product listings), or add a gradient. Those options appear right after processing finishes.