# Duotone Effect

> Map image luminance between two colors. Use duotone effect locally in your browser without an account or file uploads.

Canonical: https://xfiles.tech/tools/image/duotone-image

Map image luminance between two colors.

## Duotone Effect in your browser

Map image luminance between two colors. Use duotone effect locally in your browser without an account or file uploads.

## How to use duotone effect

1. Choose one or more files using the file picker or drop zone.
2. Review shadow color, highlight color, output format and adjust the available settings.
3. Create the result, review its preview and download it before leaving the tool.

## Before you start

Files stay in this tab. Output is limited to 40 megapixels. Animated images use their first frame unless you choose a GIF tool. PNG and WebP preserve transparency; JPG fills transparent pixels with white.

Selected files are limited to 150 MB total (100 MB for video). Results stay in this tab; download before leaving. [Read the privacy policy](https://xfiles.tech/privacy).

## Related

- [Pixelate image](https://xfiles.tech/tools/image/pixelate-image)
- [Sepia image](https://xfiles.tech/tools/image/sepia-image)
- [Round image corners](https://xfiles.tech/tools/image/round-image)
- [Meme editor](https://xfiles.tech/tools/image/meme-editor)

[Browse all image tools](https://xfiles.tech/image) for format choices, file limits and common questions.