Free PDF Signer - Add Signature to PDF Online • 100% Private
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PDF Signer

Free • Private • Browser-only

100% CLIENT-SIDE • NO DATA LEAVES YOUR DEVICE

Sign PDF Online — Free & Secure

Add your signature to PDF documents instantly: type, draw, or upload an image signature. Place it anywhere on any page. No signup, no watermarks, fully private.

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PDF Signer Tool

Upload PDF • Add signature • Download signed file

Secure • Local Processing

Upload a PDF to start signing

Your document stays on your device — nothing is uploaded or stored on any server.

Free Online PDF Signer — Add e-Signature Instantly

Sign PDFs with your handwritten, typed, or image signature — completely private and browser-based.

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Quick Signing

Draw, type or upload signature and place it anywhere in seconds.

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Zero Privacy Risk

No server upload — everything stays on your device.

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Unlimited & Free

Sign as many documents as you want — no quotas, no sign-up.

Why Sign PDFs Online?

Whether you're approving contracts, signing forms, accepting offers, or confirming receipts — adding a signature to PDFs is a daily necessity. A private online signer lets you:

  • Sign documents without printing and scanning
  • Add signatures to agreements, NDAs, invoices, applications
  • Place signature exactly where needed (not just at the bottom)
  • Use handwritten feel (draw), typed name, or professional logo/signature image

How Our PDF Signer Works

  1. Upload your PDF document
  2. Create signature — draw with mouse/touch, type your name, or upload image
  3. Select page & place — click on preview to position signature
  4. Download the signed PDF instantly

Common Use Cases

✓ Sign freelance contracts or client agreements
✓ Approve internal forms or expense reports
✓ Sign rental/lease documents remotely
✓ Add signature to invoices, receipts, or certificates

Why Choose This PDF Signer?

01

Real Privacy & Security

Unlike DocuSign, Adobe Sign, HelloSign online — no document upload required.

02

Truly Free Forever

No daily limits, no premium features locked, no forced accounts.

03

Works Offline

After first load, sign PDFs even without internet connection.

Frequently Asked Questions

Is this PDF signer 100% private and secure? ▼
Yes — fully. All signing happens in your browser using open-source PDF-Lib. Your document never leaves your device.
Is the signature legally binding? ▼
This tool creates visible electronic signatures (e-sign). It does not include cryptographic digital signatures or certificate-based authentication required for legally binding documents in many jurisdictions. For official/legal use, consider certified e-signature platforms.
Can I sign multiple pages or add multiple signatures? ▼
Yes — you can place different signatures (or the same one) on as many pages as you want.
What signature methods are supported? ▼
Draw with mouse/finger, type your name (styled fonts), or upload a signature image (PNG/JPG with transparent background recommended).
Can I use this on mobile phones/tablets? ▼
Yes — fully responsive. Draw with finger on touch devices or upload signature photos from gallery.
Is there a file size or page limit? ▼
Depends on device memory. Files up to ~50–100 MB and up to ~50 pages usually work well.

© 2026 PDF Signer • Free Client-Side PDF Tools

Made for freelancers, students, businesses — privacy first.

For legally binding signatures, use certified e-signature services.