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File Encryptor (AES-GCM)

Encrypt and decrypt files in your browser. Password-based encryption using Web Crypto (AES-GCM + PBKDF2). No uploads.

Encrypt

Drag & drop a file here or browse

No file selected

Tip: longer is stronger. Use a passphrase.
Download encrypted file
Keep the .enc file and your password safe. You'll need both to decrypt.

Decrypt

Drag & drop the encrypted file here or browse

No file selected

Advanced Options (optional)
Higher = slower but stronger. Recommended 200k–600k depending on device.
12 bytes (96 bits) is recommended for AES-GCM.
All operations happen locally in your browser via Web Crypto API. Nothing is uploaded.