File Crypter
Securely encrypt or decrypt any file using AES-GCM. All operations are performed locally in your browser. Max file size: 50MB.

Drag & drop file, or click to select

Max file size: 50MB

Use a strong, unique password. This password cannot be recovered if lost.

Encryption/Decryption is performed locally. Ensure you use a strong password and remember it; lost passwords mean lost files. Encrypted files will have a .cstcrypt extension.