This JS library provides functions to load image from file input into canvas, write message to image in canvas and read message from image in canvas.
Below is a simple example showing how the library works!
Step1. Select an image from your computer (Don't use image smaller than 64*64)
Step2. Choose a robustness level below
If you're going to retrieve message, your level selected here must be the same level you use to generate the image!
Step3. Optionally set/input a password for retrieving message
What do you want to do?
Write message into image
OR:Read message from image
Having trouble with this library or demo? Submit an issue and we’ll help you sort it out.