無料のブラウザツール・インストール不要
空白の画面
専用の全画面ツールを開くには色を選んでください。
Screens
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Watch: 空白の画面 in action
See it fill the screen edge-to-edge, then open it full screen on your own display.
ブラウザで全画面の空白の画面をすぐに開けます。この無料ツールはワンタップで画面全体を純粋な#ffffffで満たします — generic blank, distraction-freeに最適。ダウンロード不要、インストール不要、どんな端末でも動作します。
空白の画面の使い方
Hide your screen in one tap
Show a blank screen to look like your monitor is idle or off — handy before a presentation or when you step away.
Blank space to think
A completely blank screen removes every visual distraction so you can focus on a single task or clear your head.
Clean slate for presenting
Use a blank screen as a quiet pause between presentation slides or as a clean canvas while you set up.
どんなときに使う？
画面を空白の画面で埋める
あらゆるモニター、ノートPC、スマホ、タブレットで純粋な#ffffffを端まで表示。タイルをタップしてプレビューし、ワンクリックで全画面に。
シンプルで邪魔のない背景として使う
無地の空白の画面は、ビデオ通話の背景、落ち着くライト、集中できる作業画面として活躍します。
空白の画面を高画質PNGとしてダウンロード
空白の画面をHD、4K、正方形、ストーリー、または任意のサイズでロスレスの圧縮PNGとして書き出せます。
よくある質問
全画面の空白の画面を開くには？
Select the 空白の画面 tile on this page, then press Go Full Screen. Your browser fills the entire screen edge-to-edge with #ffffff. Tap anywhere or press Escape to exit.
空白の画面をビデオ通話やZoomの背景に使えますか？
Yes. Open the 空白の画面 on a second device or window, position it behind you, or use it as a light source to evenly light your face on a call.
空白の画面を画像としてダウンロードできますか？
Yes. Pick the 空白の画面 color, choose a size preset or type a custom width and height, then press Download PNG. You'll get a lossless, high-quality image at exactly that size, rendered in your browser — nothing is uploaded.
空白の画面ツールは無料ですか？
Yes, this tool is 100% free and works entirely in your browser. No account, no sign-up, and no images are uploaded or stored.
他の色を試す
Related tools & pages
Related guides
Learn how to get the most out of this tool.
How a Black Screen Saves Battery (and Helps You Focus)
On OLED and AMOLED displays, black pixels are off — so a full black screen genuinely reduces power draw. Here's when it helps and how to use it as a focus tool too.
How to Focus with a Blank Screen (Distraction-Free Work)
A blank, uncluttered screen removes every visual distraction so you can lock into deep work. Here's the setup, plus how to time it.
How to Make a White Background in Any Photo or Image
The quickest ways to make a plain white background in a photo, product shot, or design — using our free online white background editor, plus the manual Photoshop and Canva methods.
人気の全画面カラー
各リンクは即座に全画面で開きます。白と黒が最も検索されていますが、緑・青・ピンクは動画や配信のセットアップで人気です。
More Screen Tools
Zoom Light Screen
Adjustable-color full-screen light for video calls — dial in the perfect color temperature to look natural on camera.
Ring Light Screen
Create a custom-colored glow ring around your webcam window — softer than a solid fill and mimics a physical ring light.
Screen Flashlight
Instant max-brightness white fill — turns your screen into a portable flashlight for finding things in the dark.
Broken Screen Dummy
Convincing cracked-screen overlays — pick from spiderweb, shatter, glitch, or LCD bleed styles to prank a friend.
Fake Update Screen
Classic Windows, macOS, or Linux-style fake update screens — lock the display and watch coworkers think you're updating.
No Signal Screen
Animated TV static with a bouncing NO SIGNAL overlay — convincing enough to make someone check the cables.