隠し画像

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Image A on white backgrounds, Image B on black. Toggle backgrounds after generation.

Image A (white background)

Visible on light backgrounds

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Image B (black background)

Visible on dark backgrounds

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Swap images

Image B scaling

Keep aspect ratio (recommended) Stretch to fill

Keep ratio: scale and center; stretch: fill the canvas

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Color image as base; QR must be black & white on white.

Color image

Base color image

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QR code image

Black & white QR on white background

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Generate color hidden QR Download