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PRIVATE PDF TOOL
E-Sign PDF
Sign documents electronically — draw, type, or upload your signature.
100% client-sideNo server involved
No uploadsYour files stay private
No account neededStart merging instantly
How it works
Merge your PDFs in just a few clicks.
1. Upload your PDF
Open the PDF you need to sign.
2. Create your signature
Draw, type, or upload an image of your signature.
3. Place the signature
Drag your signature to the correct position on the document.
4. Download signed PDF
Save the signed document — processed entirely in your browser.
Your files never leave your device.
WhisperDocs runs entirely in your browser. All processing happens locally on your device, with no uploads, no accounts, and no tracking. Ever.
Processed in your browser
100% private
You stay in control
Common questions
Everything you need to know about merging PDF files with eSign PDF.
Yes. Electronic signatures are legally recognized in most countries under laws like ESIGN (US) and eIDAS (EU). For high-stakes contracts, verify requirements with a legal professional.
Yes. Use your mouse, trackpad, or finger on a touchscreen to draw a natural-looking signature.
No. Your signature and document are processed locally in your browser and never sent to any server.
Yes. Type your name and choose from signature-style fonts for a clean typed signature.