Image Duotone — Free Online Tool

Map image brightness onto a two-color gradient. Image Duotone is a free online tool from the ToolsRift Image Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

Loading Image Duotone

How to use Image Duotone

  1. Open the Image Duotone above — it loads instantly, no account needed.
  2. Enter or upload your input. Everything is processed locally on your device.
  3. Get your result immediately and copy or download it with one click.

Frequently asked questions

How do I use this image duotone?

Simply select your image or enter your settings, and the tool will instantly process your request right in your browser.

Is this image duotone free?

Yes, all tools on ToolsRift are completely free to use with no daily limits and no sign-up required.

Is my data secure?

Absolutely. This tool runs 100% locally in your browser. Your files are never uploaded to any server.

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