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Steganography Tool
安全Hide secret messages inside PNG images using LSB steganography, or decode hidden messages from images.
ttb run steganography-tool
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如何使用 Steganography Tool
In Encode mode, upload a PNG and type a secret message to download an encoded image. In Decode mode, upload the image to extract the message.
1
Choose mode
Select Encode to hide a message, or Decode to reveal one.
2
Encode
Type your message, upload a PNG, and download the encoded image.
3
Decode
Upload an encoded PNG to extract the hidden text.
常见问题
How is it hidden?+
LSB steganography — message bits are stored in the lowest bit of each pixel's red channel, invisible to the eye.
Does JPEG work?+
No — JPEG compression destroys the hidden data. Always use PNG.