PDF tools

Sign PDF ≈

Digitally sign a PDF with a PKCS#12 certificate through the OneKit CLI. A certificate and its password are required.

⌑ Files stay on your device

Browser support is in development.

This operation is available through the CLI with the required engine. Processing availability depends on installed dependencies and license policy.

Get the CLI

How to use Sign PDF

Install the OneKit CLI on Windows, macOS or Linux.
Run onekit doctor pdf-sign to check the Python packages and external engines required by this tool.
Use onekit run pdf-sign with your PDF, an output destination and the required tool options. Browser processing for this tool is still in development.

onekit doctor pdf-sign

Download the OneKit CLI · CLI setup and usage

Formats and requirements

Input formats: PDF
Output: PDF
Availability: OneKit CLI; browser version in development
Files per operation: 1

What to expect

Repair is best effort. Editing adds text overlays. Signing requires a PKCS#12 certificate.

Does this tool run in the browser?

This tool currently runs through the local OneKit CLI. The browser version is in development. Install its required packages or external engines before processing your files.

File privacy and local processing →