.log — Log File
A plain-text record of events generated by an application, operating system, or server, typically used for debugging.
Safety guidance (not a guarantee)
Source code is plain text and doesn't execute on its own — it has to be compiled or run by a specific tool, which is where any real risk would occur.
Check another filename
File extension lookup
Frequently asked questions
What is a .log file?
A plain-text record of events generated by an application, operating system, or server, typically used for debugging.
Can I edit a .log file?
Yes — .log files are commonly editable with software such as Any text editor.
Does having a .log extension mean the file is safe?
No single extension can guarantee that. Source code is plain text and doesn't execute on its own — it has to be compiled or run by a specific tool, which is where any real risk would occur. Always consider where the file came from, not just its name.
Privacy: The lookup above runs entirely in your browser. Nothing you type is uploaded, logged, or sent anywhere.