🔐 File Encryption & Decryption
A simple and secure 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.
How It Works
- Choose a file and click Encrypt File.
- The tool generates:
→ your encrypted file.enc → the secret key (keep it safe).key
- To decrypt: upload the
.encfile and its.key, then click Decrypt File.
Tech
- HTML + CSS + JavaScript
- AES-GCM 256-bit encryption (Web Crypto API)
- 100% client-side, private, and offline
