ツール一覧に戻る
Steganography Tool
セキュリティHide secret messages inside PNG images using LSB steganography, or decode hidden messages from images.
ttb run steganography-tool
このツールを共有:
Steganography Tool の使い方
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.
よくある質問
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.