Challenges → Steganography

Steganography Basics

Easy 100 pts 🚩 33 solves ⏱ Avg. time to solve: 63d 23h

Challenge Question

This gradient PNG looks like nothing more than a smooth color transition. Somewhere in the image, one bit per pixel has been quietly repurposed to carry a message instead of color. Dig into the pixel data at the bit level to read it back out.
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Details

  • CategorySteganography
  • Authortark
  • AddedJul 4, 2026
  • Avg. Time to Solve63d 23h
  • First Blood🩸 nsimon

Recent Solvers

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