Digital signature
Apply a cryptographic digital signature using a certificate (PKCS#12) for legally verifiable signing.
Encrypted · auto-deletedYour file is processed on encrypted servers and permanently deleted within 1 hour. Never stored, never logged, never shared.
This tool is coming soon. The interface is ready and it's next in the build queue.
How to digital signature
Apply a cryptographic digital signature using a certificate (PKCS#12) for legally verifiable signing. To use Digital signature: 1) add your file by dragging them in or clicking to browse, 2) set your security options, 3) download your result — done in seconds. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
Frequently asked questions
- Is Digital signature free to use?
- Yes. Digital signature is free to use. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
- Are my files safe and private?
- Yes. Files are processed on encrypted servers and automatically deleted within about an hour. They are never logged or shared.
- Do I need to install anything?
- No. Digital signature works in any modern web browser on Windows, Mac, Linux, iPhone and Android — nothing to install.