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How to sign a PDF for free without any tool

Published 2026-08-20 · How-to

Need to sign a contract quickly but no printer and no PDF software around? Here is the fastest, 100% private way to sign a PDF from your browser.

Why sign a PDF without software?

Signing is one of the most requested PDF actions, yet most people think they need a downloaded editor. A simple online tool keeps your document on your device and lets you sign in a couple of steps.

The three ways to create a signature

You have three options: draw your signature with the mouse or finger, type it in a cursive font, or upload an image of your handwritten signature. Pick the one that looks most natural on the document.

Add it where it belongs

Place your signature on the dedicated signature line, then flatten the page so nothing moves. The result is a final, shareable PDF, exactly like a scanned and hand-signed page.

Privacy and legality

Because the whole operation happens locally in your browser, your document never leaves your device. For most documents a typed or drawn signature is accepted; check your local rules for legal signing.