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Sign PDF Online — Add Your Signature Free

Add your signature to PDF documents for free.

Upload your PDF to sign pdf online — add your signature free

Drag & drop a PDF, or click to browse

Choose File

PDF files only · Max 50 MB

Processed locally in your browser
Never uploaded to any server
Auto-deleted after session
Instant processing
Pro Tip

Did you know? You can double-click any text in the editor to edit it directly. PDFino automatically matches the original font style!

Add your signature to PDF documents for free. Draw, type, or upload your signature. Secure browser-based signing — your documents stay private.

100% Browser-Based
Files Never Leave Your Device
No Installation Required
Fast Processing
Mobile Friendly
Secure PDF Editing
Privacy Focused
100% Browser-Based
Files Never Leave Your Device
No Installation Required
Fast Processing
Mobile Friendly
Secure PDF Editing
Privacy Focused

How to sign pdf online — add your signature free

1

Upload

Select your PDF files from your computer or drag and drop them into the upload area.

2

Process

Wait a few seconds while our system handles the sign pdf online — add your signature free.

3

Download

Once finished, download your new PDF file directly to your device for free.

Add Professional Digital Signatures to PDFs

Sign PDF documents electronically without printing, signing by hand, and scanning. PDFino offers three signature methods: draw your signature with your mouse or finger, type your name in a signature font, or upload an image of your handwritten signature. Place your signature precisely where you need it on any page. Since everything happens in your browser, your signed documents and signature data remain completely private.

Frequently Asked Questions

In most jurisdictions, electronic signatures are legally recognized for standard business documents under laws like ESIGN and eIDAS. For notarized or government documents, check your local requirements.