toolswitch › Sign PDF
Sign a PDF without printing — free and offline
Contracts, forms, permission slips: sign them on the computer instead of printing, signing and scanning.
Shortcut: Super+Shift+S on Linux · Ctrl+Alt+S on Windows · Cmd+Option+S on Mac
What it does
Draw it once
Your signature is saved for next time.
Put it where it goes
See the page and drag the signature to its place.
Private
The PDF never leaves your computer.
How to use it
- Download and install toolswitch. It waits in your tray / top bar.
- Press the shortcut or open Sign PDF.
- Draw your signature (only the first time).
- Open the PDF, drag the signature to its place and save.
Use it instead of: Adobe Acrobat Fill & Sign, DocuSign for personal documents, Smallpdf sign, printing and scanning.
First launch: the installers aren’t signed with a paid certificate yet. On Windows click More info → Run anyway; on macOS open System Settings → Privacy & Security → Open Anyway.
Questions
Is it a legal digital signature?
It places an image of your handwritten signature, like signing on paper. It isn’t a certificate-based digital signature.
Can I sign a PDF on Linux?
Yes: toolswitch works the same on Linux, Windows and macOS.