Comparison

Editing a Huge File Is Not About “Can You Open It” — It’s About How Many Times You Can Stop: 010 Editor, UltraEdit and UwView Pro (Edit) on Mac ARM

When you work with a very large text file, "the editor can open it" is not the finish line. Real work looks li…
2026.08.30
Comparison
Technical Guide

The Day printf Debugging Hit 10GB — Four Ways to Live With Development Logs

10GB, waiting for me in the morning. It came from one printf I dropped into a loop before going to bed. Almost…
2026.08.30
Technical Guide
Comparison

Editing a 48GB File — and Saving Mid-Way: EmEditor vs UwView Pro (Edit) on the Same Windows Laptop

Last time we compared "opening a 48GB file and searching it." This time we go one step further — editing it, a…
2026.08.29
Comparison
Technical Guide

Where Finished Logs Go — Deciding Between Delete, Keep, and Compress

The incident investigation is over. The postmortem is written. What's left on disk is the tens of gigabytes of…
2026.08.29
Technical Guide
Technical Guide

The Night the Log Wouldn’t Read — Four Character-Encoding Traps and How to Tell Them Apart

[Update, 16 October 2026] Speed today — Shift-JIS, EUC-JP and UTF-16 can now be searched fast through an index…
2026.08.28
Technical Guide
Technical Guide

I Replaced 21,994 Occurrences in a 10GB, 100-Million-Line File in 16.8 Seconds. It Cost 3.7MB

This is what happened when UwView Pro's Edit Upgrade — Huge Files, No Rewriting was pointed at a 100-million-l…
2026.08.27
Technical Guide
Technical Guide

You Found the ERROR. You Still Can’t Find the Cause — Four Ways to Trace Causality in Logs

--> grep ERROR worked. The red line is right there on your screen. And the "root cause" field in your report i…
2026.08.27
Technical Guide
Technical Guide

“This File Is Too Large to Open” — Four Go-To Tools That Sink Under Huge Files, and What Comes Next

[Update, 16 October 2026] Speed today — 50 GB is about the same; even at 3 GB, the gap now opens from the seco…
2026.08.26
Technical Guide
Release

Find Only Where ‘New York → Central Park → coffee_shop’ Appear in That Order — Sequence Search Comes to UwView Pro

A follow-up to Drill-down Search: the same tabbed UI now has a second mode, Sequence Search. Drill-down finds…
2026.08.24
Release
Release

From 100,492 Hits to 3 in Two Clicks — Drill-down Search Comes to UwView Pro

UwView Pro just gained Drill-down Search: refine your search results with another term, then another — up to 8…
2026.08.24
Release
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