Create digital signatures for PDF documents with PHP

SetaPDF-Signer

Digital sign PDF documents with PHP

Simple Usage Demo with Long-Term Validation

This demo shows a simple PDF signature process in pure PHP. It also automatically gathers revocation information and add them to the PDF document for Long-Term Validation (LTV).

Optionally you can output the log of the gathering process.

Select a File

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Or upload a file

The uploaded files are bound to your browser session and are not accessible by any other user. They will get deleted after 24 hours automatically.

Long-Term Validation

We use certificates from GlobalSign for demonstration. If you want to validate the signature in another viewer application, make sure that the root certificate is added as a trusted identity.