Sign PDF online free. Upload your document, add a signature, initials, date, name, or stamp, and download the signed file instantly. Fast, secure & mobile-friendly eSign PDF tool.
Sign PDF
Signing Options
✍️ How to Use the Sign PDF Tool?
- Upload your PDF – Click “Choose File” and select the document you need to sign.
- Choose signature type – Options may include:
- ✍️ Draw your signature using mouse or touch screen.
- ⌨️ Type your name and pick a signature style.
- 🖼️ Upload a scanned signature image (PNG/JPG).
- Place signature – Drag and drop it onto the correct page and location.
- Resize/adjust – Change size, rotation, or color if needed.
- Click Apply – The tool will embed your signature into the PDF.
- Download signed PDF – Save your signed file securely.
- Signature too big? – Resize it before applying.
- Wrong place? – Drag signature to correct position before saving.
- Blurry signature? – Use a high-quality PNG image for upload.
- Multiple signers? – Re-upload the signed file and let each person add their signature.
- Legal signing? – For legal contracts, ensure you use a certified digital signature if required.
Pro Tip: Keep a transparent-background PNG of your signature for faster, cleaner signing in future documents.
Related Tools: Protect PDF · Unlock PDF · Redact PDF
🔐 PDF SECURITY
🔒 Secure and manage your PDFs with powerful online tools. Unlock, protect, sign, redact, or compare documents — all browser-based.
Sign PDF – Add Digital or Handwritten Signatures to PDF Files Online
Use our free Sign PDF tool to add your signature to any PDF document easily. Whether it’s a contract, application, or agreement — sign it digitally in seconds without printing or scanning.
What Is a Sign PDF Tool?
The Sign PDF tool lets you electronically sign PDF documents online. You can type, draw, or upload your signature image to place anywhere on the file. It’s the fastest, most secure way to complete forms or approve documents digitally.
How to Sign a PDF Online
- Click on “Choose File” and upload your PDF document.
- Select “Add Signature” from the toolbar.
- Choose one option: Type, Draw, or Upload signature image.
- Place your signature on the desired spot and click “Apply”.
- Download your signed PDF instantly.
Example Use Cases
| Purpose | Input | Action | Output |
|---|---|---|---|
| Sign a business contract | Agreement.pdf | Add handwritten signature | Agreement_Signed.pdf |
| Sign school application | Form.pdf | Type or draw name | Form_Signed.pdf |
| Sign offer letter | Offer.pdf | Upload signature image | Offer_Signed.pdf |
| Approve purchase order | PO.pdf | Add digital signature | PO_Approved.pdf |
Key Features of the Sign PDF Tool
- ✍️ Add digital or handwritten signatures quickly.
- 📄 Type, draw, or upload your signature image.
- 📍 Place your signature anywhere on the document.
- 💻 100% online — no app or installation required.
- 🔒 Secure and compliant with eSignature standards.
Benefits of Using the Sign PDF Tool
- ✅ Save time — no need to print or scan documents.
- ✅ Sign from any device, anytime, anywhere.
- ✅ Make forms and agreements legally valid and professional.
- ✅ Keep your signature safe and encrypted.
Tips for Best Results
- Use your real handwritten signature image for authenticity.
- Use a transparent PNG signature for a clean look.
- Combine with Fill & Sign PDF Tool for forms and applications.
- After signing, Protect your signed PDF with encryption for security.
Frequently Asked Questions (FAQ)
1. Is a digitally signed PDF legally valid?
Yes — electronic signatures are legally recognized in most countries and accepted for contracts, forms, and agreements.
2. Can I draw my signature?
Yes — use your mouse, stylus, or touch screen to draw a freehand signature.
3. Can I upload my existing signature?
Absolutely — upload a PNG or JPG image of your real signature.
4. Is this tool safe to use?
Yes — all files are encrypted and deleted automatically after download.
5. Can I sign multiple pages?
Yes — place your signature on one or more pages as needed.
Final Thoughts
The Sign PDF tool makes it easy to add professional, legal, and secure signatures to your PDF files. Whether for work, school, or personal use — sign your documents in seconds and go paperless today.
Useful Links:
Fill & Sign PDF Tool |
Protect PDF Tool |
PDF Security Tool |
Edit PDF Tool |
OCR PDF Tool |
Compress PDF Tool |
WHO – Digital Data Privacy Info
