Image Steganography Web App

This is a simple web application that allows users to encode and decode hidden messages in images using steganography.

Screnshoots

Encoding

Upload Image and Type Secret Data

Click Upload Button

Downloaded Successfully

Decoded Image

Features

1. Encode text messages into images
2. Decode hidden messages from steganographed images
3. Drag and drop image uploading
4. Download encoded image
5. Clean and responsive UI

Usage

1. Select between encoding and decoding modes
2. Upload an image by drag and drop or file selection
3. Enter secret text to encode
4. Upload steganographed image to decode

Encoding

To encode a hidden message:

1. Select the "Encode" option
2. Upload an image file
3. Enter your secret text message
4. Click "Upload" to encode the image
5. Download the encoded image with your hidden message

Decoding

To decode a hidden message:

1. Select the "Decode" option
2. Upload the steganographed image containing the hidden message
3. The decoded secret message will be displayed

Built With

1. Flask - Python web framework
2. StepIC - Image steganography library
3. jQuery - JavaScript library for AJAX and DOM manipulation
4. HTML/CSS/JS - Frontend UI

Future Scope

1. Support video steganography in addition to images
2. Add user accounts and authentication to allow saving encoded media
3. Implement more advanced encoding algorithms like LSB steganography