How to Insert Signature in PDF: for PC, Mac & Mobile

Part 1: What Is a PDF Signature and Why Is It Important

A PDF signature is an electronic representation of your handwritten signature or a digital certificate that authenticates your identity. There are two primary types of PDF signatures:

• Electronic Signature: This is a scanned image of your handwritten signature or a typed version. It's commonly used for informal documents and doesn't provide robust security.
• Digital Signature: This involves encrypting your signature with a private key, providing a higher level of security and authenticity. It's often used for legal and official documents.

Using signatures in PDFs is crucial for several reasons:

• Legality: In many jurisdictions, digital signatures are legally binding and recognized in court.
• Security: Digital signatures ensure the integrity of the document and verify the signer's identity.
• Efficiency: Eliminates the need for printing, signing, and scanning documents, saving time and resources.

Part 2: How to Insert Signature in PDF for Windows/Mac Without Acrobat

If you prefer not to use Adobe Acrobat, Tenorshare PDNob is a great alternative that makes adding a signature to a PDF easy. This software works on both Windows and Mac, and it's designed to be simple even for beginners. You can sign your documents by drawing, typing, or uploading an image of your signature.

Besides signing, it also lets you edit text, insert images, add watermarks, and more. You can also convert PDFs into formats like Word, Excel, and JPEG. It's an all-in-one tool that's especially useful for handling PDF documents daily.

Features of Tenorshare PDNob PDF Editor

• Multiple Signature Options: Draw, type, or upload an image of your signature.
• Batch Processing: Apply your signature to multiple PDFs at once.
• Comprehensive Editing Tools: Edit text, images, watermarks, links, and backgrounds.
• Format Conversion: Convert PDFs to Word, Excel, PowerPoint, and other formats.
• Security Features: Protect your PDFs with passwords and permissions.

How to Insert Signature in PDF for Windows/Mac Without Acrobat

• Launch PDNob PDF Editor. Click on "Open PDF" to import the document you wish to sign.

• Navigate to the "Comment" section. Click on the Signature icon to view available options.

• Choose your preferred signature style. Draw or upload your signature. Place the signature in the desired location within the document.

Part 3: How to Insert Signature in PDF Document Using Adobe Acrobat

Adobe Acrobat is a trusted PDF editor, ideal for professionals needing secure digital signatures. While powerful, its signature feature typically requires a subscription to Adobe Acrobat Pro.

• Open your PDF file in Adobe Acrobat Pro.
• Hover over your personal icon in the upper-right corner and select "Profile Settings."
• Under "Personal Preferences," choose "My Signature".

• Click the "Create" button. In the signature panel, either draw your signature or upload an image of it.
• Place your signature on the desired spot in the PDF and save the document.

Related topic:

How to Edit a Signed PDF Without Losing Signature

Part 4: How to Put Signature on PDF for iPhone or iPad

Signing PDFs on iOS devices is straightforward using the built-in Markup tool or third-party apps like PDF Extra.

• Open the PDF file you want to sign using Preview on your Mac. Click the toolbox icon located in the upper-right corner of the window.

• Click the signature icon, then select "Create Signature" at the bottom of the dropdown to start creating your signature.

• Choose your input method - Trackpad or Camera. To use the trackpad, click "Click here to begin".
• Draw your signature on the trackpad. Press any key when you're done, then click "Done" to save it.
• Click your saved signature and insert it into the PDF. You can move or resize it as needed.

How to Add Image to PDF in Preview

Part 5: How to Insert Signature in PDF Free Online

For users seeking a free and convenient solution how to add signature to PDF, PDF24 Tools offers an online platform to sign PDFs without the need for software installation.

Steps to Sign a PDF Using PDF24 Tools

• Visit the PDF24 Tools website using your preferred browser.

• Upload the PDF document you want to sign by dragging it into the upload area or selecting it from your device.
• Create your signature using one of the available methods—draw it manually, type your name, or upload an image of your signature.
• Use your mouse or touchscreen to place the signature in the correct position within the document.
• Click "Finish" or "Save" to apply your signature.
• Download the signed PDF directly to your device.

FAQs of Insert Signature in PDF

When Is It Necessary to Use a Digital Signature in a PDF?

A digital signature is needed when the identity of the signer must be confirmed and the document's contents must remain unchanged after signing—often in legal, financial, or business contexts.

Who Can Benefit from Inserting Signatures in PDFs?

Anyone who handles contracts, forms, or agreements electronically—like professionals, students, and business owners—will benefit from signing PDFs.

How Do I Insert My Signature on All Pages of a PDF?

Use a tool like Tenorshare PDNob PDF Editor. After placing your signature on one page, use the batch tool to copy it to the others.

What Is the Best Way to Insert a Signature in a PDF?

The best way is to use a trusted PDF tool such as Adobe Acrobat or Tenorshare PDNob PDF Editor, which offer reliable and secure signing methods.

Conclusion

Knowing how to insert signature in PDF documents is now more important than ever, especially as more work, learning, and official paperwork moves online. Whether you're using a computer, an iPhone, or an online tool, there's a method that suits your needs. For those looking for a complete tool that works well across different tasks—editing, converting, securing, and signing PDFs—we recommend Tenorshare PDNob. It's simple to use, doesn't need Acrobat, and gives you a lot of flexibility.

downloads :

PDNob PDF Editor Software- Smarter, Faster, Easier

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• Instantly read, summarize, and extract insights from PDF
• Convert PDF to 30+ formats like Word, Excel, and images
• Edit text, images, watermarks, links, and backgrounds for PDF
• 99% OCR precision for making scanned PDFs editable and searchable

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