Introduction
Need to sign a PDF electronically without paying for expensive software? Whether you're signing contracts, agreements, or official documents, adding an electronic signature is quick and easy.
In this guide, we’ll cover the best free methods to sign PDFs using:
✅ Online tools (No software needed)
✅ Built-in PDF readers (Adobe Acrobat, Preview)
✅ Mobile apps (Sign PDFs on the go)
Why Sign PDFs Electronically?
🔹 Fast & Paperless – No printing or scanning needed.
🔹 Legally Binding – Digital signatures are recognized in most countries.
🔹 Secure & Professional – Add your signature without altering the document.
Method 1: Sign PDFs Online for Free
The easiest way to sign a PDF is using a free online tool like ConvertMergePDF.
Steps to Sign a PDF Online:
1️⃣ Go to ConvertMergePDF’s PDF Sign Tool.
2️⃣ Upload your PDF document.
3️⃣ Click "Add Signature" and choose from:
- Type your name (Choose a font style).
- Draw your signature with a mouse or touchscreen.
- Upload an image of your signature.
4️⃣ Click "Apply", then download your signed PDF.
✔️ No installation needed
✔️ Works on PC, Mac, and mobile devices
✔️ Completely free & secure
Method 2: Sign PDFs Using Adobe Acrobat Reader (Free)
You can sign PDFs using Adobe Acrobat Reader, a free tool available on Windows and Mac.
Steps to Sign a PDF in Adobe Acrobat Reader:
1️⃣ Open your PDF in Adobe Acrobat Reader.
2️⃣ Click "Fill & Sign" in the right panel.
3️⃣ Select "Sign Yourself" and choose:
- Type (Enter your name in a handwritten font).
- Draw (Use your mouse or trackpad).
- Image (Upload a scanned signature).
4️⃣ Drag and drop your signature onto the PDF.
5️⃣ Save and download your signed document.
🎯 Best for: Users who frequently sign PDFs offline.
Method 3: Sign PDFs Using Mac Preview (No Download Needed)
Mac users can sign PDFs for free using the built-in Preview app.
Steps to Sign a PDF in Mac Preview:
1️⃣ Open the PDF in Preview.
2️⃣ Click "Markup" (pencil icon) > "Sign".
3️⃣ Create a signature using:
- Trackpad (Draw with your finger).
- Camera (Scan your handwritten signature).
4️⃣ Drag your signature onto the document.
5️⃣ Save the signed PDF.
🎯 Best for: Mac users who want a quick built-in solution.
Method 4: Sign PDFs on Mobile (iOS & Android)
You can sign PDFs on your phone using free apps like Adobe Fill & Sign (iOS/Android).
Steps to Sign a PDF on Mobile:
1️⃣ Download Adobe Fill & Sign from the App Store or Google Play.
2️⃣ Open your PDF and tap "Sign".
3️⃣ Draw or upload your signature.
4️⃣ Place the signature on the document.
5️⃣ Save and share your signed PDF.
🎯 Best for: Users who sign documents on the go.
Conclusion
Signing a PDF electronically is free, fast, and easy with the right tools.
✔️ Use ConvertMergePDF for a quick online signature.
✔️ Try Adobe Acrobat Reader for an offline solution.
✔️ Use Mac Preview for a built-in signature tool.
✔️ Sign PDFs on your phone using Adobe Fill & Sign.
🔹 Try it now: Sign PDFs for Free Online