How to use digital signature in PDF?

Enabling digital signature in documents is not an exclusive feature of Adobe, one can enable digital signature in a document without using Adobe Reader DC using the following tools:

• PDF Documents:
  • Foxit PhantomPDF
  • Nitro PDF
  • Smallpdf
  • LibreOffice
  • DocuSign
  • HelloSign
• For Office Documents:
  • Microsoft Office
  • OpenOffice/LibreOffice

Hey! If you’re looking to digitally sign a PDF in a professional and legally valid way, I highly recommend using ByteSigner. It’s a web-based tool that makes it super easy to add a secure digital signature to any PDF, no software needed. Here’s how it works: 

1. Go to ByteSigner official website 
2. Upload your PDF document 
3. Add your digital signature, you can draw it, type it, or upload a signature image 
4. ByteSigner will timestamp your signature and generate a full audit trail, making it legally valid under standards like ESIGN, UETA, and eIDAS 
5. Download your professionally signed PDF - done in minutes! 

The platform is designed for professionals, so whether you’re signing contracts, NDAs, or business documents, it looks clean and credible. Plus, it works entirely in your browser and has a free option if you’re signing up occasionally. I’ve used it for client agreements, and it works like a charm. Hope this helps!

Some of the free open-source digital signature software that can stamp a signature onto the document and save it are as follows:

• JSign
• OpenSC
• Cryptomator
• LibreOffice
• PDF-Shuffle

Some of the best eSigning software for Dot net Application are as follows:

• Adobe Acrobat Sign
• DocuSign
• SignWell
• SignNow
• ESignatures.io

• To create a digital signature in Word, you can use the built-in feature.
• Go to Insert > Signature Line and follow the on-screen instruction to create digital signature.