iEditPDF

Sign PDF Online Free — Add Handwritten & Digital Signature in Seconds

Sign PDF documents online for free. Draw your signature on mobile, type elegant cursive script, or upload a photo of your pen signature. 100% private client-side processing.

Initializing Studio...
100% In-BrowserZero Server UploadsWebAssembly Speed
Direct Overview & Quick Answer
100% In-Browser & Zero File Uploads

To sign a PDF online for free, upload your agreement, admit card, or application form to iEditPDF Sign Studio. Draw your handwritten signature using your finger or mouse, type your name in cursive script, or upload a photo of your real pen signature with auto-transparent background. Position it on the dotted line and export your signed PDF immediately.

Popular Real-World Use Cases:
Signing Employment Offer Letters & NDAsApartment Leases & Real Estate AgreementsTax Declarations & Accounting ConfirmationsVendor Contracts & Purchase Orders
Studio Superpowers & Capabilities

6 Sign PDF Studio Superpowers (Unlimited Free Signatures)

Electronic contracts and documents signed in seconds directly in your web browser.

Why iEditPDF Beats Fragmented Paid Competitors:

DocuSign charges $120/yr and iLovePDF restricts signatures behind accounts. iEditPDF provides unlimited client-side signing for free.

1. Three Signature Modes (Draw, Type, Upload)

Full Flexibility

Draw your signature on touchscreens, type realistic cursive calligraphy, or upload a photo of your pen signature.

100% free with no monthly signature quota.

2. Auto Paper Background Removal

Smart Alpha

When uploading photos of your signature, our engine isolates your dark pen strokes and removes white paper backgrounds.

Floats cleanly over complex contract lines.

3. Standard Electronic Signature Format

Electronic Format

Suitable for everyday commercial contracts, leases, NDAs, and application forms.

Convenient standard format for business agreements.

4. Permanent Vector Flattening

Tamper Proof

Burn signatures directly into the PDF vector layer upon export so signatures cannot be separated or lifted.

Secured against forgery and tampering.

5. Mobile Touch-Optimized

Zero App Needed

Sign contracts on iPhone, iPad, or Android using fingertip or stylus with silky-smooth 60fps canvas drawing.

No slow third-party app download required.

6. 100% Private Client-Side Signing

Zero Server Upload

Your confidential legal agreements and signature images are processed strictly in local browser memory.

Zero cloud copies or data retention risk.

How to Sign PDF Documents Online with Electronic Signature

Simple 4-step walkthrough for fast, secure processing

Step 1

Upload PDF Contract

Drag and drop your PDF agreement, lease, or form into the Sign PDF studio.

Step 2

Create Your Signature

Choose Draw (finger/mouse), Type (cursive calligraphy), or Upload (photo of pen signature).

Step 3

Place & Resize

Position your signature precisely over the signature line and adjust size using corner handles.

Step 4

Download Signed PDF

Click Export to download your permanently flattened signed PDF.

100% Private On Your Device

How Sign PDF Works: Keep Your Files Safe & Private

See step-by-step how your files are processed. Everything happens right inside your browser — your files are never uploaded to the internet or shared with anyone.

Simple 4-Step ProcessZero Files Sent to Any Server
10 Files Uploaded

1. Open on Your Device

When you pick a file, your browser opens it directly on your computer or phone. Your document stays on your device and is never uploaded anywhere.

Stays 100% on your device
2Instant Speed

2. Process in Your Browser

Your device does all the work right inside your browser. Because there are no server queues or waiting lines, your files are processed instantly.

Fast with zero server waiting
3Private Storage

3. Save in Private Vault

When you save your work, your file is stored securely inside your browser's private vault on your device. You can view or reopen it anytime, even without internet.

Safe offline access on your device
4Complete Control

4. Download, Reuse, or Delete

Download your finished file, send it directly to another tool without re-uploading, or click 'Clear Vault' to permanently erase your files anytime with one click.

You control when files are deleted

How You Can Prove Your Files Never Leave Your Device

Test 1: Turn Off Wi-Fi (Airplane Mode Test)

Open this tool, turn off your Wi-Fi or turn on Airplane Mode, and drop your file. It will still process and let you download the result! This demonstrates that processing happens locally on your device without sending your files to any external server.

Test 2: Zero Accounts & Zero Cloud Storage

We never ask for your email, credit card, or account. Your files are never stored on any remote cloud server. When you finish and close your browser or click "Clear Vault", your documents are permanently erased from your device memory.

Want to learn more about how the Privacy Vault protects your documents offline?Read Privacy Vault Guide

Electronic Signature Security & Output Standards

Key features, device compatibility, and supported file types

How It Works

Runs on Your Computer or Phone

Processed right in your browser with zero upload lag and no server waiting queues.

Official Use

Clean, Professional Output

Signatures and edits are ready for everyday forms, applications, leases, and documents.

Watermark Policy

100% Watermark-Free

Original clean document exports with zero stamps, logos, or forced branding.

Privacy & Safety

Safe for Bank Statements & IDs

Your files never leave your device. Safe for confidential tax forms, IDs, and financial records.

Cost & Limits

Free to Use — No Hidden Fees

No credit card needed, no daily account limits, and no surprise paywalls.

Device Support

Works on All Phones & Laptops

Use on iPhone, Android, Windows, Mac, iPad, or Chromebook without installing any app.

Spread The Word

Share Sign PDF with your team or community

Help friends, clients, and colleagues edit and convert documents safely with zero file uploads and no watermarks.

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Zero Uploads • No Daily Limits

Looking for a Free Alternative to Popular Cloud Tools?

Unlike cloud-based services that upload your files to remote servers or enforce hourly limits, iEditPDF runs 100% in your browser.

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Real User Feedback • 100% In-Browser

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Frequently Asked Questions About Signing PDF Documents Online

Everything you need to know about Sign PDF on ieditpdf.in

Electronic signatures are widely recognized for standard commercial agreements, internal approvals, and everyday forms. However, documents requiring formal cryptographic certificates (such as government filings, court affidavits, or notarized deeds requiring a Class 3 DSC or PKI token) require specialized digital signature certificate providers.