Elevate your visual branding with the Image Duotone Generator. This design tool allows you to map the dark and light values of any photo to a custom two-color palette. Create the iconic high-contrast look popular in modern posters, Spotify-style graphics, and indie website headers. With full control over color hex codes and intensity, you can transform a standard photo into a professional piece of graphic art in seconds.
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Image Duotone Generator
Transform your images into stunning duotone art. Map shadows and highlights to any two colors. Perfect for stylized branding. Fast, free, and private.
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Select files or drag & drop here
Processed 100% locally in your browser. Your files never touch an external server.
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100% Client-Side Privacy•No File Size Limits•Free Forever
About Image Duotone Generator
FusioFiles 100% Client-Side Privacy Guarantee
Your files and data never leave your browser — processed directly on your device.
Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.
HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.
Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.
Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.
1
Upload Photo
Select a PNG, JPG, or WebP image from your device.
2
Choose Colors
Pick shadow and highlight colors using the picker.
3
Adjust Effects
Tweak contrast and exposure sliders as needed.
4
Download
Click download to save your duotone masterpiece.
Key Features
Two-Color Mapping
Map shadows and highlights to any hex color for a unique aesthetic.
Smart Presets
Browse curated color pairs including Cyberpunk, Midnight, and Sepia.
Intensity Controls
Fine-tune contrast and exposure to get the perfect duotone balance.
High-Res Export
Download your processed image as high-quality PNG instantly.
Frequently Asked Questions
Duotone is an image composed of two colors, mapping shadows to one color and highlights to another.
Yes! You can enter any hex code for both shadows and highlights.
Absolutely. All processing happens locally in your browser; we never see your images.
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