SynthPDF

Fill & Sign

Click anywhere on the PDF to add text or place your signature.

How It Works

1

Upload your PDF form

Drop in any PDF form — contract, application, questionnaire, or agreement.

2

Fill fields and add signature

Click on form fields to type. Click where you want your signature and draw, type, or upload one.

3

Download signed PDF

Your completed, signed form is ready to download and send — no printing or scanning required.

Fill vs Sign: Two Separate Actions

Filling means entering text into form fields: name, date, address, checkbox selections.Signing means adding your signature (drawn, typed, or uploaded) to certify the document. Many workflows require both — fill in the form fields, then sign at the bottom.

Types of PDF Forms

  • Interactive PDF forms — have built-in form fields you can click into and type. Created in Adobe Acrobat or similar tools with formal form elements.
  • Flat PDF forms — scanned paper forms or non-interactive PDFs with visible blank lines but no actual form fields. You place text boxes over the blanks manually.

Our tool handles both: interactive fields are filled automatically; flat forms let you place text anywhere on the page.

Electronic Signature vs Digital Signature

These terms are often confused:

  • Electronic signature — a typed name, drawn signature, or image of a signature. Legally binding in most contexts. Simple and fast.
  • Digital signature— a cryptographic certificate-based signature that verifies the signer's identity and document integrity. Required for high-assurance workflows (pharmaceutical compliance, financial regulatory filings, PKI-secured government documents).

For everyday business use (contracts, applications, consent forms), an electronic signature is sufficient and legally enforceable. Use our tool for these cases.

Common Fill & Sign Workflows

  • Rental agreements — fill in tenant details, sign at designated fields, email to landlord
  • Employment contracts — read the offer letter, sign and date, return as PDF
  • Tax forms — fill in financial data, add signature, save for records
  • Medical consent forms — complete patient information, sign, submit to clinic
  • Insurance claims — complete form fields, add declaration signature

After Signing: What to Do

Download your signed PDF and send it directly — by email, WhatsApp, or document management system. The signature is embedded in the PDF and cannot be moved or removed without visible evidence of tampering. Keep a copy in your records alongside the original unsigned form.

Frequently Asked Questions

In most countries including the US (ESIGN Act), EU (eIDAS), India (IT Act), and UK (Electronic Communications Act), a typed or drawn electronic signature is legally binding for most documents. For notarised or witnessed documents, physical signatures may still be required.

Three options: (1) Type your name — rendered in a signature-style font. (2) Draw — use your mouse or touchscreen. (3) Upload — add an image of your handwritten signature.

Yes — you can place text and signature fields anywhere on the page, even if the PDF doesn't have interactive form fields.

Yes — add initials or signature stamps to any page in the document.

No — fill and sign operates in your browser. Your document and signature are never sent to our servers.

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