Input

Log text

Tip: Drag & drop a .log/.txt file here

Or paste, then filter on the right.

Filters

Include (substring or /regex/)

Regex format: /pattern/flags (flags: i, m).

Exclude (substring or /regex/)

Highlight (substring or /regex/)

Max lines shown

Rendering huge logs can be slow. Start with 5000.

Severity detection

Collapse repeated identical lines

Output

0 lines 0 shown 0 errors 0 warns

Shortcuts: Ctrl/⌘ + F browser search, or use Highlight to mark patterns.