Duotone Image Editor
Recolor actual image pixels using your shadow and highlight colors.
Tool inputs stay in your browser · optional AI search sends your query
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Good to know: Processes JPG, PNG and WebP files on your device only. No image is uploaded. Maximum 24 files, 10 MB each, 40 MB total; each decoded image and output are limited to 12 megapixels, with output sides at most 4096 pixels. Animated images are not supported. Your originals stay unchanged.
How to use it (step by step)
- 1Choose one photo or graphic.
- 2Choose the dark and light colors. Transparent pixels stay transparent.
- 3Create the duotone preview and download its PNG.
Words to know
- Resolution / pixels
- A picture is made of tiny dots called pixels. 1080×1920 means 1,080 dots wide and 1,920 tall.
- Duotone
- An image effect that maps dark and bright pixels to two chosen colors.
- JPG, PNG, WebP
- Picture file types. JPG is best for photos, PNG for graphics and see-through backgrounds, WebP is newer and smaller.
- Data storage units
- Sizes of digital files: 1 KB ≈ a short text, 1 MB ≈ a photo, 1 GB ≈ a movie. 1 GB = 1,000 MB (or 1,024 in computer counting).
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