Image Duotone Effects

Online image duotone effects tool with presets and custom light-dark color mapping to generate artistic poster-style images and export instantly

Image Duotone Effects

Drag an image here

Supports JPG, PNG, WebP, BMP, GIF, TIFF, AVIF, up to 20MB per file

Upload an image to start generating duotone effects

Upload an image to preview the effect

Tips

Duotone maps pixel luminance between your dark and light colors.
Use light color for highlights and dark color for shadows, then fine-tune.
Contrast and brightness shape depth, while saturation adjusts intensity.
Blend modes help quickly create poster, cover, and brand visual styles.

Guide

Image Duotone Effects maps image luminance into two selected colors to produce bold poster-style and brand-style visuals, with presets and advanced tuning for quick iteration.

Key Features

Generates duotone output instantly after image upload.
Includes multiple presets and editable light and dark colors.
Supports contrast, brightness, saturation, and alpha control.
Supports Normal, Multiply, Screen, and Overlay blend modes with PNG export.

Preset Notes

Classic B/W is ideal for clean and high-contrast compositions.
Tech Blue and Ocean Cyan fit technology and product visuals.
Warm Orange, Vintage Brown, and Luxury Gold fit campaign posters.
Fresh Green, Elegant Purple, and Romantic Pink fit themed content.

Use Cases

Style social covers and campaign posters quickly
Keep a consistent tone across brand visuals
Create artistic website banners and hero images
Explore creative color grading for photography

FAQ

Image looks too dark or bright: tune brightness first, then contrast.
Color result is not ideal: pick a preset, then edit both colors manually.
Edges look flat: switch blend mode and increase contrast moderately.
Are images uploaded: no, all processing is local in your browser.

Privacy

Image loading, duotone processing, preview, and export are fully local in your browser, and image content is never uploaded to the server.

Image Duotone Effects