Is Image Gradient Map free to use?

Yes, Image Gradient Map is completely free. No registration, no account, and no hidden costs — ever.

Is my data safe when using Image Gradient Map?

All processing happens directly in your browser. Your data never leaves your device — nothing is uploaded or stored on our servers.

No. All CheckTown tools work instantly without registration or sign-up.

Image Gradient Map works on any device — desktop, tablet, or phone. The interface adapts to your screen size.

将图片明度映射到自定义渐变，支持多色标和预设。100% 在浏览器中处理。

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或从剪贴板粘贴

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Ctrl+Enter 运行Ctrl+Shift+C 复制

了解渐变映射如何通过将亮度映射到自定义多色标渐变来为图片重新着色。

什么是渐变映射，以及它如何为图片上色

渐变映射用渐变中的颜色替换图片的亮度值。暗部像素取渐变左端的颜色，亮部像素取渐变右端的颜色，中间调则映射到两者之间的颜色。这能创作出色彩鲜明、风格化的图片，让你完全掌控调色板。