Log Analysis

Technical Guide

You Found the ERROR. The Cause Is in the Lines Before It — Tracing Context in a Huge Log

Last time we covered opening a 10GB–50GB log without splitting it and finding "ERROR". But a real incident inv…
Technical Guide

File Too Large to Open? How to Investigate a 10GB–50GB Log on Windows Without Splitting It

[Update, 16 October 2026] Speed today — Pro is about as fast as before; the free edition is now on par with kl…
Comparison

How to Open a 50GB Log File — and Reopen It in 0.05 Seconds. A klogg Alternative, Benchmarked

If you searched for a klogg alternative, you probably already know klogg is good. It is fast, it is free, it i…
Technical Guide

Tracing 5xx Errors in Access Logs as One Thread: Putting UwView’s Search, Color-Coding, and Bookmarks Together in Practice

The large-file text viewer UwView has had its features introduced one at a time so far — the color-coding high…
Comparison

An Honest Comparison with klogg [Ver1.1.1, Complete Edition] — Free UwView and Upper-Tier Pro, Every Item

[Update, 16 October 2026] Speed today — the free edition, slower than klogg in July, is now on par or faster T…
Release

UwView v1.1.1 — Instant Right-Click Colorizing, Resume Right Where You Left Off

I've released v1.1.1 of UwView, the large-file text viewer (free, on GitHub). The previous release, v1.1, adde…
Release

UwView v1.1: Reading Huge Logs by Color — Now with a Color Highlighter and Bundled Presets

We've released v1.1 of UwView, the large-file text viewer (free, open source on GitHub). The headline feature…
Comparison

An Honest Comparison with klogg — Every Win and Every Loss, Laid Out in a Table

[Update, 16 October 2026] Speed today — the free edition, slower than klogg in July, is now on par or faster T…