What is a CRYPT file?
A .CRYPT file is primarily a WhatsApp Encrypted Database. The WhatsApp application uses these files to store secure backups of user chat histories and messages. Over time, WhatsApp has updated its encryption methods. This causes related file extensions to exist, such as .CRYPT14 or .CRYPT15.
Sometimes, a .CRYPT file is a generic encrypted file created by unknown security utilities. In rare situations, malicious software creates .CRYPT files. For example, the CryptXXX ransomware renames user files to .CRYPT after locking them.
How to open CRYPT files?
To open a WhatsApp Encrypted Database on a phone, users usually reinstall the WhatsApp Messenger app. The app will detect the .CRYPT file and restore the chat history. To view the data on a computer, users need the original decryption key from their phone. They can then use third-party software like WhatsApp Viewer to decrypt and read the messages.
Inspecting files with viewer.online
viewer.online/crypt can analyze .CRYPT files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available. Because .CRYPT has multiple possible meanings, viewer.online/crypt helps identify the actual format of the user's file.
Summary
viewer.online/crypt is useful for identifying, inspecting, and understanding .CRYPT files without installing software or dealing with compatibility problems.