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Sign PDF

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Sign documents electronically or place digital signatures securely.

100% On-Device

Recommended Workflow

Draw or type electronic signatures and place them accurately onto agreements and contracts.

How to Use Online Document Signing

Create legally binding electronic signatures, fill PDF forms, and sign agreements directly in your browser with complete privacy.

1

Upload Your PDF

Select the PDF contract, NDA, or agreement you need to sign from your device or FolderBit Library.

2

Create Your Signature

Draw your signature using your mouse, trackpad, or touchscreen, type your name with custom cursive typography, or upload an existing signature image.

3

Place & Download

Position your signature, initials, or date stamps on the document pages, then download your finalized signed PDF instantly.

Frequently Asked Questions

Are electronic signatures created with FolderBit legally binding?
Yes. Electronic signatures are legally recognized in most jurisdictions (including ESIGN and UETA in the US and eIDAS simple electronic signatures in the EU) for standard business contracts, NDAs, and agreements.
Is this an electronic signature or a cryptographic digital signature?
This tool creates standard electronic signatures (e-signatures: drawn, typed, or uploaded signature marks) recognized under ESIGN and UETA for everyday commercial contracts and agreements. It does not embed PKI cryptographic certificates (such as Qualified Electronic Signatures / QES under eIDAS).
Can I sign on mobile or tablet devices?
Yes. FolderBit Sign PDF is fully touch-optimized, allowing you to sign smoothly using your finger or stylus on smartphones and tablets.
Do I need an account to sign a PDF?
No account is required for standalone quick signing. You can open, sign, and download your document immediately.

Related Document Tools

Logical next steps or alternative workflows for your document.

Edit PDF

Edit existing text, add text, images, signatures, links, fill & create forms, whiteout, redact, and annotate pages directly in your browser.

Name...

PDF Forms

Inspect, fill out, and export interactive AcroForm fields, checkboxes, and form data.

256

Protect PDF

Apply password and permission controls.

1

Select PDF Document

FB / 1111 1011

Drop the PDF document you want to sign

Processed 100% on your device. Zero server upload.

Processed 100% on your device. Zero server upload.

Select PDF from Google Drive
or drop PDF here
2

Create Your Signature

Ink color:
Sign here using your mouse, trackpad, or stylus
3

Placement & Details

100% Client-Side Privacy: The PDF document and your signature never leave your device.