WebTail.dev No Upload · Browser-Only

Tail and filter local log files in your browser. Regex · Highlights · Timestamps.

Theme

Heads up: Firefox does not support the required File System Access features. Please use Chrome, Edge, Brave, or other Chromium-based browsers.

Drop a log file here

…or click to choose. For continuous tailing, prefer Open with File Access.

Auto-scroll Soft-wrap

Max lines

About this tool

WebTail.dev opens a local log file and displays updates live, with regex filtering and highlights. It never uploads your file; everything runs locally.

Regex filter with in-line highlights
Timestamps, line numbers, auto-scroll
Rotation detection and basic rate stats