Log File Analyzer

Analyze log files: count lines by level (ERROR, WARN, INFO, DEBUG, TRACE) and see sample lines.

About this tool

Paste log content and get a summary: total lines, empty lines, and counts per level. Levels are detected by keywords (ERROR, FATAL, WARN, INFO, DEBUG, TRACE). Up to 5 sample lines per level are shown.

For full log management and upload use a service like Loggly or Papertrail.