Duotone Effect Generator Online Free (Two-Tone Filter) | ImagePlumber
Create Spotify-style two-tone duotone graphics online for free. Custom Shadow and Highlight HEX color pickers with zero cloud uploads.
How It Works: Easy 3-Step Guide
- Upload Photo: Select any portrait or landscape image.
- Pick Shadow & Highlight Colors: Choose custom colors or select Cyberpunk, Sunset Gold, or Neon Ocean presets.
- Save Duotone Graphic: Export the duotone artwork in high resolution.
Key Features & Processing Details
- Linear luminance gradient interpolation
- Custom Shadow and Highlight HEX pickers
- 100% In-browser canvas processing
Frequently Asked Questions (FAQ)
What is a duotone effect?
Duotone replaces all dark shadows with one color and light highlights with another color, creating striking visual graphics popular on Spotify album covers and modern posters.
Does applying filters downscale my original image?
No. ImagePlumber applies mathematical pixel matrix transformations to your native photo resolution without downscaling.