Free Online File Encrypt Decrypt Tool - ATools
Free online file encrypt decrypt tool: AES-256-GCM + PBKDF2, locally encrypt any file and output savable encrypted JSON.
Free online file encrypt decrypt tool using AES-256-GCM encryption algorithm with PBKDF2(SHA-256) key derivation to encrypt/decrypt any file locally in the browser. Outputs JSON containing salt/iv/iter/ct for easy saving and transfer, supports downloading encryption results and decrypting to restore original files. Pure frontend processing without data uploads, suitable for backup encryption, sensitive file transfer, and temporary encryption.