Sign PDF – Fast Online Document Signing Tool Free
Sign PDF lets you add legally‑binding signatures to PDFs in seconds, store signed files securely, and share them instantly. Try it free today.
Sign PDF
Upload a PDF to create and place your signature digitally.
- Click "Select PDF File" to choose your document.
- Create your signature using Type, Draw, or Upload options.
- Drag the red signature box to the correct position on the preview.
- Use the small Handle at the corner to resize the signature.
- Click "Sign & Download PDF" and save your document.
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About This Tool
Sign PDF lets you place electronic signatures on PDF documents without leaving your browser. Upload, sign, and download the completed file in just a few clicks.
What Sign PDF Does
- Add one or multiple signatures to any PDF page.
- Insert date, time, and optional custom text fields.
- Secure signed PDFs with password protection.
- Save signed documents directly to Google Drive or Dropbox.
- Send a signing request link to collaborators for remote signing.
- Track signature status in real‑time.
Who Uses Sign PDF
- Freelancers sending contracts to clients
- HR teams processing onboarding paperwork
- Legal assistants preparing affidavits
- Small businesses finalising invoices
Each group needs a quick, reliable way to get documents signed without printing, scanning, or mailing.
Common Use Cases
- Signing freelance work agreements before a project starts
- Approving employee NDA forms remotely
- Finalising purchase orders with vendor signatures
- Adding certified signatures to tax forms
- Collecting parent consent on school permission slips
- Completing real‑estate lease agreements online
How It Works
- Upload your PDF file from computer or cloud storage.
- Drag the signature widget to the desired location and adjust size.
- Choose to sign yourself or request signatures from others.
- Click “Finalize” to generate a secured, signed PDF.
- Download the file or share the secure link instantly.
Why Sign PDF Works Well
Speed and security are built into every step, so you never compromise compliance for convenience.
Unlike desktop PDF editors, Sign PDF runs entirely in the browser, meaning no software installation and automatic updates. The platform uses SSL encryption and complies with e‑signature standards, giving confidence that signatures are legally valid.
The clean interface keeps the signing process focused—no extra menus, no hidden fees. Whether you need a single signature or a chain of approvals, the tool adapts without extra configuration.
Frequently Asked Questions
Is Sign PDF free to use?
Yes, there’s a free tier that lets you sign up to three documents per month. Paid plans remove limits and add advanced features.
Do signatures created with Sign PDF have legal standing?
Sign PDF complies with major e‑signature regulations such as eIDAS and ESIGN, so signatures are recognized in most jurisdictions.
Can I sign a PDF on a mobile device?
The web interface is fully responsive, so you can upload, sign, and share PDFs from smartphones or tablets.
What file formats are supported?
Only PDF files are accepted, ensuring that layout and formatting stay intact after signing.
How is my data protected?
All uploads are encrypted in transit and at rest. Signed files can be password‑protected, and no data is stored longer than necessary.