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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.
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.
You can import certificates to programs that support them in order to verify them.
Various certificates usually are not meant to be converted to anything else.
Software applications that can open rsa files:
Multiplatform
Software apps that create rsa files:
Multiplatform
Software applications that handle other tasks involving rsa files:
Language
