Colors
Shadow
Highlight
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What is Duotone Image?
Duotone Image transforms a photo into a two-color version by mapping shadows and highlights to custom colors. It is useful for posters, campaigns, branding experiments, and any edit that needs a stronger graphic identity than the original photo.
How to Use Duotone Image
- Upload one image into the tool.
- Choose a shadow color and a highlight color.
- Review the duotone preview instantly.
- Download the edited PNG when it looks right.
Understand Duotone Effects ▾
Example
Input
Upload a portrait, choose a dark navy shadow and orange highlight
Output
Download a two-color duotone PNG for poster or campaign use
Common Use Cases
- Create campaign-style two-color hero images
- Apply a brand palette to a monochrome photo treatment
- Make stylized speaker or artist portraits
- Generate fast visual concepts with custom shadow and highlight colors
Why Use This Tool
- Useful for posters, campaigns, and brand-colored image treatments.
- Lets you apply your own highlight and shadow colors quickly.
- Runs locally so your images stay on your device.
Frequently Asked Questions
What is a duotone effect?
A duotone effect maps the darker and lighter parts of an image to two chosen colors instead of using the original full-color photo.
Can I choose my own two colors?
Yes. Set one color for shadows and one color for highlights.
Does this work best on photos?
Yes. Photos, portraits, and high-contrast screenshots usually show the effect most clearly.
Is the image uploaded anywhere?
No. The duotone effect runs entirely in your browser.