Duotone Image
Duotone Image
Map luminance between two selected colours.
Prepared files
Preview, inspect and downloadChoose an image and prepare it to see your result here.
Downloads are generated files, not links to stored uploads. Batch and layout tools can return several files.
Two chosen colours can represent the picture's darker and lighter tones.
Select both endpoints and inspect the subject's tonal separation.
How to use Duotone Image
- Choose a static JPEG, PNG or WebP source. Check the displayed upload limits before processing.
- Set Shadow colour, Highlight colour, Download format and Quality. Review the selected units and options before preparing the output.
- Select Prepare image. Inspect the resulting preview, dimensions and file size, then download the output you need.
Why choose this tool?
The mapping gives a consistent two colour style while keeping the luminance relationship visible.
Before you use the result
Compare the finished picture with its source. They can be, but weak separation may hide detail. Choose endpoints that suit the intended appearance.
Questions about Duotone Image
Should the two colours be nearly identical?
They can be, but weak separation may hide detail. Choose endpoints that suit the intended appearance.
What should I check before using Duotone Image?
Prepare a supported source image and check Shadow colour, Highlight colour, Download format and Quality. Use the exact units shown beside the controls and replace any example values with your own inputs.
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