Log analysis guides

Practical, local-first tutorials for reading text, server and structured logs.

How to Analyze Log Files Online: Complete Guide for Developers

Learn a private, browser-based workflow for searching, filtering and reducing log files.

Compare free log viewers by privacy model, large-file workflow and practical investigation features.

Understand local-first and cloud log readers, with a practical workflow for browser analysis.

Learn how to inspect JSON and JSONL logs, search structured fields and preserve useful context.