Everything you need to get documents signed.
NibSign keeps signing simple: upload a PDF or Word document, place fields exactly where you need them, send a secure link, and get a completed, audited copy back — all for free.
Sign PDFs online
Upload a PDF and sign it in your browser — no installs, no scanning, no friction.
Send documents for signature
Place fields, add recipients, and send a secure signing link in minutes.
Free electronic signatures
Collect electronic signatures from one or many recipients at no cost.
Secure signing links
Each signer receives a unique link to review and sign.
No recipient account required
Recipients can sign without registering.
Multi-signer PDF signing
Send to one signer or a sequence of signers on the same document.
Sender signing
Sign before or after recipients, depending on the document flow.
Electronic signature audit trail
Every signed document carries timestamps, signer activity, IP address, and completion events.
Completed signed PDF storage
Access completed signed PDFs from your dashboard whenever you need them.
Automatic email delivery
Completed signed PDFs are emailed automatically to the sender and every signer.
Place fields and sign with confidence.
A clean editor for senders and a focused signing page for recipients.
Fields
Field placement editor
Drag signatures, initials, dates, names, text fields, and checkboxes onto the page.
Recipient signing page
Recipients review and sign through a secure link — no account required.
Explore the features in detail
Each of these guides covers one part of NibSign in depth — from signing a PDF online to capturing a full electronic signature audit trail.