Draw, type or upload your signature and place it anywhere on a PDF — in seconds, on any device, completely free.
Start signing for freeNo credit card · No download · End-to-end encrypted
Or skip straight to it: sign a PDF free in your browser →
No plugins, no printing, no fax machines. Just open, sign, download.
Drag a PDF into PrimeDocu or pick one from your device. Your document is encrypted immediately — before it leaves your browser.
Draw with your finger or mouse, type your name in a cursive font, or upload a photo of your handwritten signature. Drag it anywhere on the page.
Export the finished PDF instantly. Share via link, email, or save to your encrypted PrimeDocu vault for later access.
More than just a signature — a complete digital signing toolkit.
Draw, type in a premium cursive font, or upload a photo of your handwritten signature. Save it for future use.
Your document is encrypted on your device using AES-256-GCM before upload. Nobody can read it — including us.
Add text boxes, date fields, initials, stamps and checkboxes anywhere on the document.
Sign in your browser on desktop, tablet or phone. No app download required — though mobile apps are coming soon.
PDF signing is included in the free plan. No credit card, no time limit, no watermark on signed documents.
Signed PDFs are saved in your encrypted document vault — searchable, organised, and accessible from any device.
For most personal and business use, yes. Electronic signatures are legally recognised under the ESIGN Act (USA), eIDAS (EU), and equivalent legislation in most countries. For high-stakes documents like real-estate deeds or court filings, check the specific requirements in your jurisdiction.
Yes. PDF signing is included in the free plan with no credit card required and no expiry date. You can sign unlimited PDFs on the free tier.
Yes. Your document is encrypted on your device using AES-256-GCM before it is uploaded. Nobody — including PrimeDocu staff — can read your signed documents.
Yes. After creating your signature once, PrimeDocu saves it securely so you can reuse it on future documents without redrawing.
Yes. PrimeDocu works in mobile browsers on iOS and Android. Native mobile apps are coming soon for an even better experience.
Create your free account in seconds. No credit card. No download.
Your documents stay private with end-to-end encryption.