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Sign PDF

Add electronic signatures to your PDF document by drawing, typing, or uploading a signature image locally.

Drag & drop your PDF here, or click to browse
Supported formats: .pdf (Max size: no limit, executed 100% locally)

Executed 100% locally on your browser

When you upload files, they are read as binary arrays in your browser's sandboxed RAM. We use high-performance WebAssembly engines and Client APIs to execute all processing locally. No files are sent to our servers, keeping your documents 100% confidential and secure.


Place your electronic signature on agreements and contracts. Create signatures using a mouse, touch screen, typed characters, or image uploads, all securely on your device.

How to use our free Sign PDF tool

1

Upload your agreement

Select the PDF file you need to sign and wait for the page grid to render.

2

Create your signature

Draw your signature, type it using handwriting fonts, or upload an image file of your signature.

3

Place on the document

Click on the pages to drop your signature. Drag it to reposition and pinch/drag corners to resize.

4

Export signed PDF

Click the 'Save PDF' button. The signature is rendered into the document layer before download.

Why Use PDFVoid Sign PDF?

Secure E-Signatures

Sign binding contracts, leases, and forms safely since your signatures never cross the internet.

Multiple Signature Types

Draw with mouse/touchpad, type using stylized script fonts, or import scanned signature PNGs.

Multi-page Signing

Place multiple signatures or initials across different pages of the same document easily.

Frequently Asked Questions

Is my signature saved on PDFVoid's servers?

No, PDFVoid does not store your signature or your documents on any server. The signature drawing is processed client-side and immediately merged into the downloaded PDF.

Can I sign PDFs on my tablet or smartphone?

Yes! PDFVoid is optimized for mobile touchscreens. You can draw your signature using your finger or a stylus directly on your phone or tablet.

Is an electronic signature from PDFVoid legally binding?

Yes, electronic signatures placed on documents are legally recognized in most jurisdictions (such as the ESIGN Act in the US and eIDAS in the EU) for standard business contracts, approvals, and agreements.