Your Mac already has a free signing tool built in: Preview.app. It works, but its trackpad and camera signature capture is fiddly. A browser-based signer skips both and gets you a signed PDF faster.
Most people can’t produce a clean signature by dragging a fingertip across a trackpad — it usually comes out jagged or nothing like a real signature.
Requires printing a blank page, physically signing it, then holding it steady in front of the webcam under decent lighting until Preview recognizes it.
Either way, the signature saves locally inside that Mac’s Preview app — it won’t show up if you switch to your iPhone or a different computer later.
Skip the trackpad and the camera. Open the PDF in a browser-based signer, type or draw your signature with a mouse or trackpad on a proper signing canvas, drag it into place, and download the signed file. It works the same way on a MacBook, an iMac, an iPhone, or a Windows laptop — because it’s just a web page, not an app tied to one Mac.
Neither Preview.app nor a self-sign browser tool sends a document out for someone else to sign. Send any document for signature from Evenseal and get back a sealed, certified copy with a verifiable audit trail — free to start, one flat price when you need unlimited sending.