Sign PDF Document
Draw your electronic signature and place it securely on your PDF files. 100% local processing.
Select a PDF to Sign
Drag & drop your contract or form here
🔒 Maximum Security: Files never leave your device.
What is an Online PDF Signer?
In the past, signing a document required a tedious and wasteful process: printing the contract, signing it with a physical pen, scanning it back into a computer, and finally emailing it. Today, the digital world demands efficiency, and electronic signatures have become the standard for business, real estate, and personal agreements.
An Online PDF Signer is a digital tool that allows you to legally and securely apply your electronic signature directly onto a PDF file. Our tool provides a virtual signature pad where you can draw your signature using your mouse, trackpad, or touchscreen. Once drawn, you can visually drag, drop, and resize your signature to fit perfectly on the dotted line of your document.
Why Our Privacy-First E-Sign Tool is Safer
When you sign an employment contract, a lease agreement, or an NDA, that document contains highly sensitive personal data. Using a standard online PDF editor forces you to upload these private documents to unknown cloud servers, creating a massive vulnerability for identity theft and corporate espionage.
We built our Sign PDF tool with a Privacy-First, Zero-Upload architecture. Utilizing advanced JavaScript (`pdf.js` and `pdf-lib`), the entire process happens strictly within your web browser's local memory. Here is how your security is guaranteed:
- No Server Uploads: Your document is read directly from your hard drive by your browser. It never travels across the internet.
- Local Signature Generation: Your drawn signature is captured as a temporary local graphic and is never stored in a database.
- In-Browser Embedding: The tool permanently stamps your signature into the PDF code locally, generating the final file directly on your device. Once you close the tab, all data vanishes.
Are Electronic Signatures Legally Binding?
Yes. Electronic signatures (e-signatures) are widely recognized and legally binding in most industrialized countries around the world. In the United States, the ESIGN Act (Electronic Signatures in Global and National Commerce Act) and UETA ensure that digital signatures carry the same legal weight as traditional wet-ink signatures. Similarly, in the European Union, the eIDAS regulation provides a standardized legal framework for e-signatures.
For standard business contracts, non-disclosure agreements, school forms, and HR documents, a drawn electronic signature using our tool is perfectly valid, compliant, and highly professional.
Frequently Asked Questions (FAQ)
Absolutely. Our Sign PDF tool is 100% free to use. We do not require account registration, we don't hide your files behind paywalls, and we never add unwanted watermarks to your signed documents.
No. Because our tool processes everything locally in your browser using JavaScript, neither your document nor your signature is ever transmitted to our servers. Your privacy is mathematically guaranteed.
Yes. When the signature pad opens, you can choose between standard Black, traditional Blue (often preferred to distinguish original signatures from photocopies), or Red ink.
Yes! Once you insert your signature onto the document, it will appear with a small resize handle in the bottom right corner. Simply click and drag that corner to scale your signature perfectly, then click the center to move it into place.