CRL viewer
To open a CRL file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
What you see
| CRL in the viewer | |
|---|---|
| Read | PEM and DER |
| Revoked list | Serial number, date and reason for each certificate |
| Long lists | The first 50 on the card; all of them in the table viewer |
| Signature | Algorithm named; not checked |
| Extensions | .crl, .pem, .der |
| Upload | None: opened on your device |
What is a CRL file?
A CRL (certificate revocation list) is a list, signed by a certificate authority, of the certificates it has revoked before they expired.
The issuer, this update and next update (with a note when the next update has passed), the CRL number and a table of revoked serial numbers with their dates and reasons. Long lists open in the table viewer, where they can be sorted, filtered and searched.
How to open a CRL file
- Add your CRL. Drop the file in the box, choose it or paste it.
- Look at it. The issuer, this update and next update (with a note when the next update has passed), the CRL number and a table of revoked serial numbers with their dates and reasons. Long lists open in the table viewer, where they can be sorted, filtered and searched.
- Take it further. Open in hands it, in a new tab, to File converter.
Questions
Open the CRL here, choose Show all in the table viewer, and search for the certificate’s serial number.
A CRL says when a newer one will be published. Past that date this copy may be missing recent revocations.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.