Private client-side tools
Processing happens entirely in this browser. Your documents remain on your machine—files, filenames, document contents and passwords are never uploaded. Anonymous usage events help us improve the tools.
Maximum combined input: 5 MB per operation. Learn how private processing works.
Sign PDF — private, no upload
Draw a visual signature and place it on a PDF page.
Use a mouse, trackpad, stylus or finger. This adds a visual signature, not a certificate-based digital signature.