DEVELOPER TOOLS

X.509 Certificate Viewer online

Paste a PEM certificate or select a CRT file to inspect its fields.

Local processing

LOCAL PROCESSING

Everything happens in your browser

The file and text never leave your device.

Select fileor drag it here

How to use X.509 Certificate Viewer

Paste a PEM certificate or select a CRT file to inspect its fields. Click Process, then download or copy the result when it is ready.

Privacy and output quality

The certificate is parsed inside the browser without calling external services.

FREQUENTLY ASKED QUESTIONS

Are my files or data uploaded?

No. The operation runs locally in your browser and PriviTools never receives the content.

Do I need an account or installation?

No. The tool works directly in modern browsers, with no account and no charge.