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pixel-manipulation

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A concise example repository showing how to manually convert a JPEG image to both grayscale and black-and-white using Python. Demonstrates reading/saving images with Pillow, computing pixel-by-pixel grayscale values, applying a binary threshold, and displaying the results with matplotlib.

  • Updated Mar 24, 2025
  • Jupyter Notebook

A lightweight, educational Python tool that demonstrates how to hide secret text inside RGB images using XOR encryption and ASCII encoding. This project showcases basic steganography principles by embedding encrypted messages directly into pixel color values.

  • Updated Jul 2, 2025
  • Jupyter Notebook

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