🔐 DCT Steganography
Hide secret messages in images using DCT on the luminance channel
📤 Embed Message
Cover Image (PNG/JPEG)
Secret Message (max 2000 chars)
Embed Message
💡 The output will be a PNG image with your message hidden inside. Keep it lossless!
📥 Extract Message
Stego Image
Extract Message
🔍 Upload an image that contains a hidden message to reveal it.