Sign PDF Documents Online for Free
Place your handwritten or uploaded signature onto PDF contracts, application forms, and declarations. Draw your signature directly with your mouse or touchscreen, or upload a scanned signature image and place it precisely where needed on any document page.
Upload your files or drag them here to start processing instantly in your browser.
How to Use Sign PDF
- Upload PDF File: Select the document that requires your signature.
- Create Signature: Draw your signature on the interactive canvas or upload an image file of your signature.
- Position on Page: Move and scale the signature stamp onto the designated signature line.
- Download Signed PDF: Download the finalized document with your signature embedded.
Key Features & Benefits
Draw or Upload Signatures
Flexible signing via mouse, finger, stylus, or scanned image upload.
Precise Visual Placement
Drag and resize your signature stamp directly over the signature line.
100% Private & Safe
Signatures are rendered client-side and never stored on remote servers.
No Paper Printing Needed
Eliminates the hassle of printing, signing by hand, and re-scanning documents.
Privacy & File Limits
Client-Side Privacy: Your signature and document are combined entirely in your local browser session. No biometric signature data or documents are ever uploaded to our servers.
Usage Limits: Tested on desktop with documents up to 40 MB and 50 pages. Note: This tool embeds an electronic visual signature stamp; it does not issue cryptographically verified PKI digital certificates.
Frequently Asked Questions
What is the difference between an electronic signature and a digital certificate?
This tool places a visual electronic signature stamp on your document. Cryptographic PKI certificates require government-issued USB tokens or DSC keys.
Can I draw my signature using a touchscreen or stylus?
Yes! The signature pad supports mouse, stylus, and touch inputs on smartphones and tablets.
Can I save my signature for future use?
For privacy reasons, signatures are kept only in your active browser session and are not stored permanently on any server.
Will my signature look clean and transparent?
Yes, drawn signatures and transparent PNG uploads are placed cleanly without ugly white background boxes.
Is my document secure while signing?
Yes. All processing is 100% client-side; no document bytes are sent over the network.
Can I sign multiple pages in the same document?
Yes, you can navigate between pages and place signatures wherever required.