How to use SSL Shopper SSL Checker
- Paste or load a PEM certificate into SSL Shopper SSL Checker.
- Click Parse certificate — SSL Shopper SSL Checker processes everything on your device.
- Review the subject, issuer, validity dates and expiry shown below.
About this tool
There is no server behind SSL Shopper SSL Checker. SSL Shopper SSL Checker decodes a pasted PEM certificate by walking its ASN.1/DER structure locally to read subject, issuer, validity window and serial.
To check a live site, export its certificate from the browser padlock as PEM and paste it here. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is SSL Shopper SSL Checker for?
Use SSL Shopper SSL Checker to check your input without installing anything; everything happens client-side.
Do I need an account for SSL Shopper SSL Checker?
No — SSL Shopper SSL Checker needs no account, sign-up or installation.
Where is my data processed by SSL Shopper SSL Checker?
Entirely in your browser — SSL Shopper SSL Checker keeps your data on your own machine and sends nothing anywhere.
How do I inspect a live site's certificate in SSL Shopper SSL Checker?
Export the certificate from your browser's padlock as PEM and paste it into SSL Shopper SSL Checker; it decodes the ASN.1/DER fields entirely on your device.
Does SSL Shopper SSL Checker work on mobile?
Yes — SSL Shopper SSL Checker is just a web page and runs on any modern browser, including phones and tablets.