Duotone Filter Generator — Two-Tone Photo Effect Maker
Apply a two-color duotone treatment to any photo and download the result
Give your photo that Spotify-poster-style duotone look by mapping shadows and highlights to two colors of your choice.
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
How to use
- Upload a photo.
- Set your highlight and shadow colors, then save.
FAQ
- What kind of photos work best?
- Portraits or architecture shots with strong contrast between light and dark come out looking the most striking.
- Does all the original color information disappear?
- Yes — only the brightness values are kept, and everything gets remapped to your two chosen colors, so none of the original color survives in the result.
- Can I save a color combo to reuse later?
- There's no save feature built in, but if you jot down the HEX codes you used for the highlight and shadow, you can enter the same values again next time to get the exact same tone.