Smart Log Viewer – Real-time UI for structured JSON logs on your local machine

Summary: Smart Log Viewer streams structured JSON logs from local files into a fast browser interface, enabling real-time debugging without a heavy observability stack. It supports logs from Node.js services using Pino, Winston, or similar tools.

What it does

It streams logs via WebSockets, allowing filtering by level or text, tagging and color-coding multiple sources, and expanding JSON values on hover.

Who it's for

Developers debugging modern Node.js services with structured loggers like Pino or Winston.

Why it matters

It simplifies viewing structured logs locally, avoiding the complexity of full observability platforms.