Boltly Tools
by ZeroClick AI
Everything runs on your device. Nothing is uploaded.

Sign a PDF

Drop your files hereor click to browse · JPG, PNG, WebP, AVIF, GIF
Options

Put your signature on a PDF without printing and scanning, and without sending the document to a server.

How to sign a PDF

  1. Drop a PDF into the box above.
  2. Draw or add your signature and place it on the page.
  3. Save the signed PDF.

Private by design

Boltly runs entirely in your browser. Your files are processed on your own computer and are never uploaded, so it is safe for IDs, contracts and family photos, and it keeps working offline once loaded.

Questions

Is my document uploaded?

No. Signing happens in your browser.

Related tools

Merge PDF files into oneCompress a PDF

All Boltly tools

Prefer a toolbar button? Get the Boltly Tools Chrome extension.