Free Online ZIP Encrypt Decrypt Tool
Free online ZIP encrypt decrypt tool: Locally package ZIP and encrypt to JSON with AES-256-GCM, supports decrypting to restore ZIP.
Note: This tool first packages files into ZIP (fflate), then uses AES-256-GCM to encrypt the entire ZIP into JSON. After decryption, the ZIP can be downloaded and restored. Pure frontend local processing without file uploads.
Input
Click to upload or drag files here. Dropping files replaces the current file list.
Encrypted JSON Output