PDF file encryption encyclopedia

PDF files are encrypted to prevent random access, deletion, and copying, and only you know the content. It has the characteristics of beautiful and friendly interface, simple and easy to use, stable and error-free, powerful functions and good compatibility. To use it, just click the right button of the object that needs to be encrypted. Decryption can be easily accomplished by double-clicking the encrypted object and entering the password. Everything is really practical and convenient. The editor of Huajun has compiled and recommended various free PDF file encryption software for everyone. Download it now!
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PDF file encryption encyclopedia

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PDF files are encrypted to prevent random access, deletion, and copying, and only you know the content. It has the characteristics of beautiful and friendly interface, simple and easy to use, stable and error-free, powerful functions and good compatibility. To use it, just click the right button of the object that needs to be encrypted. Decryption can be easily accomplished by double-clicking the encrypted object and entering the password. Everything is really practical and convenient. The editor of Huajun has compiled and recommended various free PDF file encryption software for everyone. Download it now!