Log Tools
Filter application and server logs to show only selected log levels.
Show only WARN and ERROR lines while investigating a production issue.
Useful for narrowing large log files to the messages relevant to an investigation.
Filter application and server logs by log level. Quickly extract INFO, DEBUG, WARN, ERROR, FATAL and other log levels from large log files.
Select the levels you want to keep.
6 levels selected
Filtered logs will appear here...The tool scans each log line, identifies its log level, and keeps only the entries matching the levels you select. This makes it easier to focus on important events inside large log files.
Add your application, server or API logs.
Choose one or multiple log levels such as INFO, WARN or ERROR.
Get only the log entries matching your selected levels.
| Level | Typical purpose |
|---|---|
| DEBUG | Detailed information useful during development. |
| INFO | Normal application events. |
| WARN | Potential problems that may require attention. |
| ERROR | Errors that prevented an operation from completing. |
| FATAL | Severe errors that may stop an application. |
A log level filter removes unwanted log entries and keeps only entries with the selected severity levels.
Yes. You can select multiple levels at the same time, such as WARN, ERROR and FATAL.
No. Filtering happens directly inside your browser.
Yes. Use the Download button to save the filtered logs as a text file.
The filter supports TRACE, DEBUG, INFO, NOTICE, WARN, ERROR, FATAL, and CRITICAL.