tailr

A blazing-fast log tail & search server.
Single binary, web UI, real-time streaming.

View on GitHub Live Demo

Terminal

$ ▋

See it in action

Click on any row to mark it.

tailr - http://localhost:7700

Follow Tail

Features

Real-time Tail

WebSocket-based live log streaming. Watch logs as they happen.

Fast Search

mmap-based grep with regex support. Search millions of lines instantly.

Single Binary

No dependencies, no runtime. Just drop the binary and go.

JSON Formatting

Auto-detect and format JSON logs with syntax highlighting.

Log Level Detection

Auto-detects ALERT, ERROR, WARN, INFO, DEBUG, TRACE levels.

Web UI

Built-in Vue 3 SPA. No separate frontend deployment needed.

Quick Start

# Download and run
curl -L https://github.com/wunamesst/tailr/releases/latest/download/tailr-linux-amd64 -o tailr
chmod +x tailr
./tailr --log /var/log/app.log

Open http://localhost:7700 in your browser.