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.

Edit PDF: this tool helps to add images, text, draw boxes, arrows, circles on PDF pages and save edited PDF Compress PDF: if you want to reduce the size of a PDF file, then you should use this tool.

Smallpdf is a solid online PDF editor for making basic changes to documents on the fly. Smallpdf is a free online PDF editor that offers a limited but useful set of editing and conversion tools ...

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

Ditch the free (yet sketchy) tools and Adobe Acrobat subscription for the last PDF editor tool you'll ever need, featuring AI and OCR tech.

Need to protect sensitive information? Add password protection with a click — or unlock PDFs just as easily. Plus, you can extract images from any PDF in a single step.