Image Steganography Tool

Learn how steganography works by hiding secret text inside a PNG image using Least Significant Bit (LSB) encoding. The image looks identical to the human eye, but carries hidden data.

Educational purpose only. This tool is provided for learning about steganography concepts. All processing is done locally in your browser — nothing is uploaded to any server.

Encode — Hide a Message

Upload Cover Image (PNG recommended)

Secret Message

Decode — Extract a Message

Upload Encoded PNG

Extracted Message: