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Add Signature to PDF – Sign PDF Free Online

Draw or type your signature and add it to any PDF document. Choose the page and position. Free, no upload required.

Click to upload or drag & drop

PDF files up to 50MB

Frequently Asked Questions

100% Private
No Upload
Instant

What is Add Signature to PDF – Sign PDF Free Online?

A PDF signature tool lets you add a visual signature to a PDF document. You can draw your signature with a mouse or touchscreen, or type your name in an italic signature style. The signature is embedded into the selected page using pdf-lib running in your browser.

How to Use Add Signature to PDF – Sign PDF Free Online

  1. 1Upload your PDF file.
  2. 2Choose to draw or type your signature.
  3. 3Draw your signature on the canvas, or type your name.
  4. 4Set the target page and position.
  5. 5Click Add Signature & Download.

Key Features

  • ✓Draw signature with mouse or touch
  • ✓Type signature in italic style
  • ✓Choose any page
  • ✓Set X/Y position
  • ✓Adjustable signature width
  • ✓Runs in your browser with pdf-lib

Benefits

  • →Sign contracts and forms digitally
  • →Add your signature to PDF documents
  • →Avoid printing and scanning just to sign a document

Why Use Irreva for Add Signature to PDF – Sign PDF Free Online?

Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.
No file size limits from our infrastructure.
Instant results — no server round-trip latency.
Open-source libraries and transparent processing.

Frequently Asked Questions

Is this legally binding?

This adds a visual signature mark to the PDF. For legally binding e-signatures, use a certified service.

Is my PDF uploaded to a server?

No. Everything runs locally in your browser.

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