LanguageRSA
RSA digital certificate
File type: Encoded and encrypted file
Files with rsa extension can be usually found as digital certificates in RSA format from OpenSSL. Typically used in web browsers.
What is rsa file?
File type category:
Encoded and encrypted file
Date updated: June 27, 2025
File extension rsa is related to digital certificates used by several programs to ensure encrypted connection to a website or server.
These files are included in some web browsers, such as Mozilla Firefox.
How to open rsa file?
You can import certificates to programs that support them in order to verify them.
How to convert rsa file?
Various certificates usually are not meant to be converted to anything else.
Suggested software to open rsa file:
Associated software actions with the rsa file
Software applications that can open rsa files:
OpenSSL (Multiplatform)
Software apps that create rsa files:
OpenSSL (Multiplatform)
Software applications that handle other tasks involving rsa files:
Firefox (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)