Hidden Image Maker | Optical Illusion Secret Picture Generator

🟢 Free Online Tool • No Installation Required

隠し絵メーカー

画像を白黒＆薄くして線を重ねた「隠し絵」を作成します

画像ファイルを選択

線の太さ（px）

線の間隔（px）

元画像の明るさ（％）

💡 About & How to Use

Optical Illusion Hidden Picture Generator

Turn your photos into mind-bending optical illusions! By converting images to delicate grayscale contrasts and overlaying fine grid lines, the subject remains hidden up close and reveals itself from afar.

Key Features

Adjustable Density & Line Spacing: Fine-tune optical parameters to balance mystery and visibility.

Instant Art Creation: Upload any JPEG or PNG to create interactive puzzle art.

Export & Share: Download your finished illusion image and challenge friends on social media.

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