# PDF Signature Checker

> Inspect the digital signatures embedded in a PDF and check whether the file changed after it was signed.

- URL: https://prismkit.hippodev.app/en/crypto/pdf-signature-checker
- Category: Crypto & Security
- Runs: client-side, no upload

This is an interactive tool — open https://prismkit.hippodev.app/en/crypto/pdf-signature-checker to use it.