How do I create a handwritten signature on a PDF?

Use our 'Draw Signature' canvas to draw your signature using a mouse, stylus, or touch screen. Select pen color (Black, Blue, Red) and stroke thickness, then click 'Add Signature'.

Can I type my name and convert it into a cursive signature?

Yes! Switch to the 'Type Name' tab, enter your name, and choose from elegant cursive fonts like Dancing Script, Caveat, or Great Vibes.

Can I upload an official company stamp or seal image?

Yes! Switch to the 'Upload Stamp / Logo' tab to upload transparent PNG or JPG images of corporate seals, approval stamps, or official signatures.

How do I place and resize my signature on the PDF page?

Click 'Place Signature on Page' or tap on the document canvas. Drag the signature box to move it, or use the corner handle to scale it to your preferred size.

Are electronic signatures created on SlowPDF legally binding?

Electronic signatures created on SlowPDF satisfy standard e-signature requirements for non-notarized contracts, consent forms, invoices, and internal approvals.

Are my signatures or PDF contracts uploaded to any cloud server?

Never. All signature drawing, font rendering, stamp embedding, and PDF generation happen 100% inside your browser RAM. Zero files or signatures leave your device.

Can I place multiple signatures on different pages of a single document?

Yes! You can add as many signatures, initials, dates, and stamps as needed across any page of your document.

Does signing a PDF alter the underlying text quality or vector clarity?

No! SlowPDF embeds signature PNG layers directly into the original PDF page stream using pdf-lib, preserving 100% of the original document vector quality.

Does this tool work smoothly on smartphones and iPads?

Yes! SlowPDF features responsive touchscreen support, allowing smooth stylus or finger drawing on mobile devices.

Is SlowPDF Sign PDF 100% free with no watermarks?

Yes! SlowPDF is 100% free with zero watermarks, zero limits, and zero account registration requirements.

100% In-Browser Memory • Zero Cloud Uploads

Sign & Stamp PDF

Draw handwritten signatures, type cursive names, upload official company stamps, and place them on any PDF page with 100% privacy.

Choose a PDF file or drop here

Open your contract, invoice, or legal form to draw, type, or stamp electronic signatures in real time.

document.pdf

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✍️ Create Signature / Stamp

Ink Color:

Thickness:

Sign Here

Output File Name:

Free Electronic PDF Signer — Sign Documents & Stamp Seals Online

Learn how to draw handwritten signatures, type cursive names, upload company seals, and embed digital signatures onto PDF files.

✍️

Draw Signature

Draw smooth handwritten signature lines using your touchscreen, stylus, or mouse with custom pen ink colors and stroke thickness.

⌨️

Type Cursive Name

Type your full legal name and instantly convert it into elegant cursive signature calligraphy using Dancing Script or Caveat fonts.

🏢

Upload Seal / Stamp

Upload transparent PNG company seals, approval badges, or scanned signatures for placement on official business contracts.

Legally Binding Electronic Signatures with 100% RAM Privacy

Signing sensitive legal contracts, NDAs, lease agreements, or financial invoices requires absolute document privacy. Unlike cloud-based signature portals that store your sensitive signatures on remote servers, SlowPDF operates 100% client-side inside your browser's RAM.

Your signatures, typed initials, and PDF files are never transmitted across the internet, guaranteeing zero privacy leaks or unauthorized signature retention.

Multi-Page Stamp & Placement Precision

You can place multiple signatures, approval seals, or date stamps on any page of your document. Drag to position signatures exactly over signature lines, scale with corner handles, and export clean, crisp PDFs.