e-Sign documents online, securely. 14-Day Free Trial

Sign PDF Free

Legally binding. No credit card required

Free · Legally binding under ESIGN & eIDAS · Nothing to install

Sign PDF Free
In Seconds

Upload your PDF, drop your signature where it belongs, and download or send it — done in under a minute. Every e-signature is legally binding under the ESIGN Act and eIDAS. 

Free · No credit card needed

How to e-Sign

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Upload your document

Upload a PDF or Word file — your contract, NDA, invoice, or any document that needs e-signing.

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Add signers & fields

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Enter each signer’s e-mail and drop signature, date, or text fields exactly where they’re needed.

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Signers get a secure link

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Each signer receives a secure link by e-mail and signs from any device — no account required.

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Track & finalize

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Follow progress in real time. The moment everyone signs, you both get the legally binding, AATL-sealed document.

Why Your eSignatures Hold Up

AATL-certified eSignatures

Every document is signed using the PAdES standard and backed by the Adobe Approved Trust List — recognized signing technology, not just an image on a page.

Legally binding electronic signature

Valid under ESIGN/UETA in the US, eIDAS across all EU member states, and UK law — with a verifiable audit trail on every document.

Tamper-proof & ISO 27001

Every signed document is sealed with a digital certificate and a full audit trail — once signed, it can't be altered.

Affordable, free to start

A genuinely free plan for occasional use, then plans from just $5/user/month — a fraction of what the big names charge.

Frequently Asked Questions

How do I sign a PDF online?

Create your free account, upload your PDF or Word document, add signature and date fields, then sign and finalize. You get a legally binding, sealed document — nothing to install.

Yes — free to try, no credit card needed. Create a free account to upload and sign your PDF.

Yes. QuickSigner uses AATL-backed Advanced Electronic Signatures (PAdES standard), legally recognized in the USA (ESIGN/UETA), the UK, and all EU member states (eIDAS), with a full audit trail on every document.

Yes. Add signer emails, place the fields, and send. Recipients sign from any device via a secure link — no account needed for them — and you track progress in real time.

Yes. Sign from any device — phone, tablet, or laptop — with the same experience and security.

Both PDF and Word documents are supported.

No. QuickSigner runs entirely in your browser — nothing to download or install.

The generator creates a signature image. The sign-PDF tool applies that signature to an actual document and produces a legally valid, signed file.

Electronic Signature Solutions

Sign your first PDF now

Free · No credit card · Legally binding in US, UK & EU

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