Is Image Duotone free to use?

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

Is my data safe when using Image Duotone?

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

使用两种颜色分别处理阴影和高光色调，应用双色调色彩效果。100% 在浏览器中运行。

上传图像

或拖放到此处

或从剪贴板粘贴

选择图像

Ctrl+Enter 运行Ctrl+Shift+C 复制

了解双色调效果如何将图片亮度映射为两种颜色，打造醒目、有品牌感的视觉风格。

什么是双色调，以及它如何变换图片

双色调将图片映射到仅仅两种颜色：一种用于阴影，一种用于高光。每个像素首先被转换为灰度，然后根据其亮度在阴影色和高光色之间进行插值。最终得到一张引人注目的双色图片，具有大胆而现代的美感。