Sepia image converter
Give photos a vintage sepia dithered look with a 4-tone brown palette. Free online tool, no upload, instant PNG download.
About the Sepia palette
Sepia toning dates back to 19th-century photography. Combined with dithering, a 4-tone brown palette gives images an old-print, newspaper-archive feel.
Try Stucki or Jarvis for smooth, archival results, or Atkinson for a high-contrast woodcut feel.
Colors
Best for
- Vintage photo effects
- Wedding & invitation art
- Historical-style graphics
How to dither an image
- Add your image. Click Upload image, drag a file onto the preview, or paste with Ctrl/⌘+V. JPG, PNG, WebP and GIF work.
- Pick an algorithm and palette. Error diffusion (Floyd–Steinberg, Atkinson…) for photos, Bayer for a retro crosshatch.
- Tune it. Raise pixel size for chunkier pixels; adjust brightness and contrast to control which tones become dark or light.
- Download. Export a lossless PNG at up to 8× with crisp nearest-neighbour scaling.
FAQ
What is Sepia palette dithering?
Sepia toning dates back to 19th-century photography. Combined with dithering, a 4-tone brown palette gives images an old-print, newspaper-archive feel.
When should I use Sepia?
Sepia works best for: vintage photo effects, wedding & invitation art, historical-style graphics.
Is DitherImage free?
Yes. DitherImage is completely free with no sign-up, no watermark and no usage limits.
Are my images uploaded to a server?
No. All processing happens locally in your browser using JavaScript and the Canvas API. Your images never leave your device.