This post helps you add watermark to PDF in Windows 11/10 computer using free tools. You can add text watermark and image watermark to PDF.

For maximum privacy and control, you need to self-host any available open-source PDF editors on your own server.

Some of the best Adobe Acrobat alternatives we really like with a host of professional tools include Nitro PDF Pro, EaseUS, ...

If you are wondering how to annotate a PDF on Windows, you can use free online tools and software that we have included in this article.