.pem — Privacy-Enhanced Mail Certificate
A Base64-encoded text container for cryptographic certificates and/or keys, widely used for TLS/SSL.
Safety guidance (not a guarantee)
Contains cryptographic key, certificate, or credential material. Handle private keys and credentials carefully, and never share them with anyone you don't fully trust.
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Frequently asked questions
What is a .pem file?
A Base64-encoded text container for cryptographic certificates and/or keys, widely used for TLS/SSL.
Can I edit a .pem file?
Yes — .pem files are commonly editable with software such as OpenSSL.
Does having a .pem extension mean the file is safe?
No single extension can guarantee that. Contains cryptographic key, certificate, or credential material. Handle private keys and credentials carefully, and never share them with anyone you don't fully trust. Always consider where the file came from, not just its name.
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