Steganography Encoder

Hide secret text inside image pixels using LSB steganography — encode and decode messages in PNGs.

Cover image

Drop or click to upload PNG/JPG

Upload an image to see capacity.

Secret message

Image to decode

Drop or click to upload a PNG encoded by this tool

Extracted message

Tip: Messages are hidden in the least significant bit of each pixel's color channels, which is imperceptible to the eye. Always use PNG (not JPG) when downloading — JPG compression will destroy the hidden data.