Check it out here https://alyrist.herokuapp.com
Conceal messages in plain (digitally temporal) sight and decode them.
The web interface only supports png.
/tools/steganography.py can be run as is and supports png / jpg / jpeg while the web/app only supports .png
~# python steganography.py [-h][-I][-d][-e] image
Images are stored on the FS when using the web interface. If a filesystem isnt available or the filesystem is ephemeral, one is created for you. The CLI tool applies encoding without creating a backup or duplicate image. Don't use -I and say you had not been warned!