Free Duotone Image Generator

A duotone image is a photo recolored with just two colors: one for the shadows and one for the highlights, with midtones blending between them. The style is popular for posters, album art and social graphics because it unifies very different photos.

1. Click Choose files and pick your photo. 2. Choose a Shadow color. 3. Choose a Highlight color. 4. Check the live result and click Download to save the image.

Pick one dark and one light color so the photo keeps its contrast, such as navy with cream or purple with yellow. Two colors of similar brightness make details hard to see. Brand colors often work well when one of them is clearly darker.

Yes. Put the light color in Shadow color and the dark one in Highlight color. Dark areas of the photo then turn light and bright areas turn dark, which gives a negative, poster-like result.

Yes. The result has the same width and height as your photo, and transparent areas in a PNG source stay transparent. Only the colors change.

Yes. It’s free with no signup, and the exported image doesn’t carry any SocQ logo or watermark. You can process as many photos as you need.

No. The color mapping runs on a canvas in your browser and the result is created on your device. Your photos aren’t sent to SocQ.

You can open JPG, PNG, WebP and AVIF images up to 30 MB and 40 megapixels each. A JPG is saved as a JPG at 90% quality and other formats as PNG. Large photos can take a few seconds because every pixel is recolored.

Yes. Select up to 20 photos and each one gets the same shadow and highlight colors. It’s a quick way to make mixed photos look like one set, and Download ZIP saves them together.

No. The tool has only the two color pickers, with no presets, contrast slider or blend strength. For a softer look, pick colors that are closer in brightness; for more punch, push them further apart.