iLovePDF brings different PDF tools to sign PDF documents, edit PDF, convert PDF to PDF/A, Excel, Word, reorder or rearrange PDF pages, and more. Among those tools, a Protect PDF tool is also there ...
Use PDFEncrypt A free, open-source alternative to Acrobat is PDFEncrypt, which offers a simple yet effective way to password protect a PDF. The basic interface asks you to choose the file you wish to ...
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