Extract text from Security certificates (CERT)
To convert CERT Certificates to another format, you need OpenSSL or other System software.
To convert other file formats to the "Digital Security Certificate" file type, you need software like OpenSSL or a similar tool.
A .cert file is primarily an X.509 digital security certificate. It is used to authenticate the identity of a website, server, or software application. These files contain public keys, issuer details, and digital signatures necessary for establishing secure SSL/TLS connections over the internet. You can manage these files using OpenSSL or the built-in certificate managers in Windows, macOS, and Linux. Other less common uses for the .cert extension include software license activation files for Notifier VeriFire Tools, OpenVPN server certificates, and Samsung phone security certificates.
The main disadvantage of .cert files is their format ambiguity. A .cert file can be encoded in binary (DER) or Base64 ASCII (PEM). If a web server expects a PEM format and you upload a DER encoded .cert, the application will fail to read it. Furthermore, different server environments like Apache, NGINX, or Windows IIS require specific extensions like CRT, PEM, or PFX, leading to frequent compatibility errors and annoying configuration failures.
To fix these issues, system administrators frequently need to convert .cert files to PEM or CRT to ensure server compatibility. If the file is in binary format, you must convert it to Base64 text to read its contents. You can also export the public key as a standard TXT file for auditing.
Because .cert files often contain strictly formatted cryptographic data, standard online converters usually fail to process them. Often, only specialized command-line tools like OpenSSL can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your CERT file, detects the exact format, and lets you read the text inside.
Users also converted OPENCERT, CER, CRT, PDF, JKS, JPG, PFX, DER, FDF, TXT, CMS, PAGES and PNG files.
If you want to convert CERT file to PFX, CRT, JKS, INI, CFG, CONF, CONFIG, JSON, XML, YAML, YML or TOML, you can use OpenSSL or similar software from the "Security Certificate Storage" category. In the File menu, look for Save As… or Export….
To convert ZSHRC, CONF, RCFILE, GITCONFIG, RC, PLIST, BASHRC, CONFIG, PROFILE, INI, PREFS or CFG files to CERT, try OpenSSL or another comparable tool in the "Security Certificate Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our CERT converter.