How to Sign PDF Documents Online Free
Received a contract, offer letter, or agreement that needs your signature? PDF Boss lets you sign any PDF directly in your browser — draw, type, or upload your signature. Free, no sign-up, works on mobile.
Three Ways to Sign a PDF
1. Draw your signature — Use your mouse, finger on a touchscreen, or stylus to draw your signature exactly as you would on paper.
2. Type your signature — Choose a handwriting-style font and type your name. Quick and clean for formal documents.
3. Upload an image — Scan or photograph your existing handwritten signature and upload it as a PNG or JPG.
How to Sign a PDF in 4 Steps
Step 1 — Go to pdfboss.in/sign-pdf
Step 2 — Upload the PDF you need to sign
Step 3 — Click where you want to place your signature and add it
Step 4 — Download the signed PDF
The signature is embedded in the PDF permanently.
What Documents Can Be Signed Digitally?
- Employment contracts and offer letters
- Rental and lease agreements
- Non-disclosure agreements (NDAs)
- Service agreements and vendor contracts
- Loan application forms
- Permission slips and consent forms
For legally binding agreements in India, ensure both parties have signed and retain copies of the signed document.
Try Sign PDF Free →Frequently Asked Questions
Is a digital signature from PDF Boss legally valid in India?
An electronic signature (typed or drawn) is legally valid for most business contracts under the IT Act 2000. For Aadhaar-linked or Class 2/3 DSC signatures required for government filings, you will need a certified digital signature.
Can I use my own handwritten signature?
Yes. Draw your signature using mouse, trackpad, or touchscreen, and it will be placed exactly as drawn.
Can multiple people sign the same document?
Yes. After the first signer downloads the signed PDF, the next person can upload it and add their signature in a different position.