If you have hundreds of PDF files that need to be encrypted, but can only process one file at a time, it is not only inefficient but also prone to errors. What's even more troublesome is that I can't remember the password I set, which leads to repeated attempts and a long struggle to open the file. Batch processing vs. individual files: First, you need to determine whether you are processing hundreds of files or only a few dozen. Whether the file is classified, and how serious the consequences of encryption failure are; And whether multiple versions of the file need to be encrypted. Easy Batch Encryption Open online PDF Batch Encryption…