# PixelVault256

**PixelVault256** is a single-file GUI application for secure data hiding and encryption.

### 🔐 Features

- AES-128 / AES-256 encryption (AES-GCM) with password-derived keys (PBKDF2HMAC + salt)

- Steganography options:

  - **Pixel Stego** (LSB-based)

  - **Metadata Stego** (PNG tEXt chunk)

- "Save As" dialogs for outputs

- Extraction mode (reads stego, decrypts)

- SHA-256 hash utility (file or text)

- Custom error popups for failed decryptions

- Self-contained Windows .exe build (no prerequisites)

### Usage

1. Run pixelvault256.exe (no install needed)

2. Choose your mode: **Encrypt**, **Decrypt**, or **Hash**

3. Select stego method and files

4. Enter password → done!

### Build from source

pip install -r requirements.txt

pyinstaller --onefile --windowed pixelvault256.py



##  Download 

You can download the latest Windows executable here:

[Download PixelVault256.exe (latest release)](https://github.com/david-marin-0xff/PixelVault256/releases/latest/download/pixelvault256.exe)