PDF (Portable Document Format) is the most widely accepted file format for sharing documents, including images, text, and other information. Not just that, it can also contain rich media elements such ...

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can ...

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 ...

PDFファイルの有効期限を自由に設定できるソフト「PDF Lock」v1.00が、2日に公開された。Windows 98/Me/2000/XPに対応するフリーソフトで、現在ベクターのライブラリページからダウンロードできる。 「PDF Lock」は、任意のPDFファイルの有効期限を自由に設定できる ...