Are PDF7 signatures legally binding?

Yes for most informal contracts (rentals, simple agreements). For high-stakes legal documents (real estate, court filings) consider a certified e-signature service like DocuSign that uses PKI certificates.

Can someone alter my PDF after I sign?

A signed PDF can technically be edited unless you also lock it. After signing, use our Protect PDF tool to add a password and prevent edits.

Is my signature stored anywhere?

No. We process and discard. Your signature image lives only in browser memory until you save the PDF.

Sign PDF Online

Add your signature to any PDF. Type text, draw by hand, or upload a signature image. Place it on any page. Free, secure, instant.

Add Your Signature

1 Upload PDF

Click to select or drag & drop

PDF max 100MB

1. Upload PDF

Select the PDF document you want to sign.

2. Create Signature

Type, draw, or upload your signature image.

3. Download

Choose position, sign and download instantly.

FAQ

Is this a legally binding digital signature?

This tool adds a visual signature to the PDF. For legally binding cryptographic signatures, you may need a certificate-based solution. However, visual signatures are widely accepted for many everyday documents.

Can I sign multiple pages?

Currently you can add a signature to one page per operation. Upload the signed PDF again to add signatures to additional pages.

Is my signature stored?

No. Everything is processed in memory. Your signature and PDF are never stored on our servers.

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