Sign PDF
Draw and add signature to PDF
What is Sign PDF?
PDF Sign lets you draw, type, or upload a digital signature and place it on PDF documents — essential for signing contracts, agreements, and official forms electronically.
When to use this tool
- Signing a contract or agreement digitally
- Adding a signature to a business proposal
- Signing a PDF form before submission
- Authorizing a document with a handwritten-style signature
How it works
Captures a signature via a drawing canvas (mouse/touch), text input, or image upload. The signature is rendered as an image and embedded into the PDF at the chosen position using pdf-lib.
Examples
About Sign PDF
Draw and add signature to PDF It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Merge, split, and rotate PDF pages
- •Add watermarks and page numbers
- •Convert PDFs to text or Markdown
- •Sign and protect PDFs with passwords
Last updated: 2025-01-15
FAQ
Draw and add signature to PDF
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.