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Sign PDF — Electronic Signature

Add your typed or drawn signature to any PDF page. No printing, no scanning, completely free.

✓ 100% Free✓ No Signup✓ No Watermark✓ Mobile Ready✓ Instant Results
Professional signing a contract document with an electronic signature
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Click or drag a PDF here to sign

Works on mobile and desktop

🔒Files never uploaded
⚡Processes in seconds

Simple Process

How to Use This Tool

1

Upload PDF

Select the PDF document you need to sign.

2

Create Signature

Type your name in a signature font, or draw your signature with your mouse or finger.

3

Position & Sign

Drag your signature to the signature line, then download the signed PDF instantly.

Real-World Uses

Who Uses This Tool & Why

Sign Business Contracts Digitally

Execute service agreements, freelance contracts, vendor agreements, and NDAs electronically in seconds. Legally valid under ESIGN, UETA, and eIDAS. No printing, no scanning, no delays.

Sign Employment Documents

HR teams and employees can execute offer letters, employment contracts, and onboarding agreements electronically without physical meetings or mailing documents back and forth.

Sign Rental and Lease Agreements

Landlords and tenants can sign lease agreements, tenancy renewals, and deposit acknowledgements from anywhere on any device without courier services or in-person signing sessions.

Sign Client Approval Forms

Agencies, designers, and consultants can get signed client approval on proposals, creative briefs, and project sign-offs professionally and instantly from any device.

Counter-Sign Received Documents

When you receive a PDF that the other party has already signed, counter-sign precisely in your designated signature block and return the fully executed document immediately.

Why Choose PDFFlow?

Trusted by professionals, students and businesses in 190+ countries.

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Type or Draw

Choose between a typed name in elegant fonts or a hand-drawn signature using your mouse or touchscreen.

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Visual Placement

See exactly where your signature will appear and drag it precisely to the signature line.

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Works on Mobile

Draw your signature with your finger on iPhone or Android touchscreens.

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Completely Private

Your signature and document are processed locally. Nothing is uploaded to any server.

User Reviews

What Users Say About Sign PDF — Electronic Signature

★★★★★
★★★★★

“I sign 20-30 client contracts a month. PDFFlow Sign PDF replaces my entire print-sign-scan workflow. Done in 90 seconds flat.”

Priya M.

Freelance Designer

★★★★★

“Lease renewals that used to require physical meetings now happen over email. Tenants sign on their phones in minutes.”

Ankit R.

Property Manager

★★★★★

“Offer letter signatures used to take days waiting for postal returns. Now candidates sign the same day they receive the offer.”

Emma T.

HR Coordinator

FAQ

Frequently Asked Questions

Is this electronic signature legally valid?▼
Typed name signatures are legally valid for most everyday business documents under US ESIGN Act and EU eIDAS. For regulated industries or court documents, use a certified e-signature service like DocuSign.
Can I draw my signature on a phone?▼
Yes. Switch to the Draw tab and use your finger on the touchscreen canvas to draw your signature naturally.
Can I sign specific pages only?▼
Yes. Enter the page numbers in the Pages field — e.g. "3" for page 3 only, or "1, 5" for pages 1 and 5.
Will the signed PDF look professional?▼
Yes. Typed signatures use elegant Times Roman or italic fonts that appear as natural signatures. Drawn signatures embed as clean vector-quality PNG images.

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Complete Guide

Understanding Electronic PDF Signatures

A complete guide to using this tool effectively with professional results.

The legal basis for electronic signatures worldwide

Electronic signatures have legally equivalent status to handwritten signatures for most commercial and personal transactions in over 80 countries. In the United States, the Electronic Signatures in Global and National Commerce Act (ESIGN Act) of 2000 and the Uniform Electronic Transactions Act (UETA), adopted by 49 states, establish this equivalence explicitly. The ESIGN Act defines an electronic signature as an electronic sound, symbol, or process attached to or logically associated with a contract or other record and executed or adopted by a person with the intent to sign the record. Courts across US jurisdictions have consistently upheld electronically signed agreements in commercial disputes. The European Unions eIDAS Regulation establishes a three-tier framework recognizing Standard, Advanced, and Qualified Electronic Signatures. India's Information Technology Act 2000, Australia's Electronic Transactions Act 1999, and Canada's PIPEDA framework all establish similar legal frameworks.

Drawn vs typed signatures -- which to use

Both drawn and typed electronic signatures are legally equivalent -- the choice is purely practical and aesthetic. Drawn signatures created by tracing your usual handwriting pattern on a touchscreen produce signatures that visually match your physical signature, which creates a consistent identity across all documents you sign digitally and physically. The drawback is inconsistency: finger-drawn signatures on a phone screen often look noticeably different from session to session. Typed signatures in PDFFlow render your name in professional cursive script that looks consistently polished across every document regardless of device. For high-frequency signing (multiple contracts per week), typed signatures in a consistent style are more practical. For occasional high-stakes documents where visual authenticity matters, a carefully drawn signature that matches your physical signature adds a more personal quality.

Professional placement and sizing

The positioning of an electronic signature communicates professionalism or carelessness immediately to any counterparty reviewing the executed document. A signature that floats above its designated line, extends into adjacent text areas, or is sized disproportionately to the surrounding text creates an impression of hasty or careless execution. The correct baseline position has the bottom of the signature resting directly on the signature line, with ascenders extending naturally above the line, matching how physical pen-on-paper handwriting sits relative to a ruled line. Use the zoom function to magnify the signature area to 150 to 200 percent before finalizing placement -- minor misalignments invisible at 100 percent become apparent at higher zoom. For documents with small signature boxes, reduce the signature size using the corner resize handles until it fits comfortably within the box with clear whitespace on all sides.

Sequential signing for multi-party agreements

Most commercial agreements require signatures from two or more parties. PDFFlow supports sequential signing through a straightforward email exchange workflow that produces a fully executed document without any signing account or coordination platform. The workflow: Party A uploads the agreement, applies their signature to their designated signature block, and downloads the partially-signed PDF. Party A emails this to Party B. Party B opens the document, verifies that Party A's signature is visible, then uploads to PDFFlow Sign PDF, applies their signature, and downloads the fully-signed document. Party B emails the fully-executed document back to Party A. Both parties now have a complete copy of the agreement with both signatures visible. For agreements with more than two signatories, the same sequential workflow applies -- each party adds their signature and forwards to the next until all blocks are complete.

Protecting signed documents after execution

A signed agreement has limited value if it can be modified after signing or if the signed copy cannot be located when needed. Three practices protect executed documents. First, apply password protection immediately after signing using PDFFlow Protect PDF -- AES-256 encryption prevents any subsequent modification. Second, store the executed document in at least two separate locations immediately after execution. The most reliable naming convention is: PartyName_DocumentType_YYYYMMDD_Executed.pdf. Third, email yourself a copy immediately after signing -- this creates a timestamped email record that can establish when the signed document existed. These three steps take under three minutes and create a professional records management practice that pays off reliably when agreements are referenced months or years later.