🔐 File Encryption & Decryption

A simple web tool to encrypt and decrypt files directly in your browser using the Web Crypto API (AES-GCM 256-bit).
No uploads, no servers — everything happens locally on your device.

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⚙️ How it works

1. Choose a file and click Encrypt File.
   → The tool will create:

   • <filename>.enc — your encrypted file
   • <filename>.key — the secret key (keep it safe)

2. To decrypt:
   Upload the .enc file and its .key, then click Decrypt File.

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🧩 Tech

• HTML + CSS + JavaScript
• AES-GCM 256-bit encryption
• 100% client-side, private, and offline.