UwView

Technical

Opening 258.68 GB and 4.5 Billion Lines — Expanding the Whole US OpenStreetMap to XML and Measuring It in UwView Pro

A few days ago I measured the speed gap between the native and browser builds using a 3.16 GB, 100-million-lin…
2026.07.29
Technical
Release

UwView v1.2.1 — How the Browser (WASM) Build Went From “It Runs” to “It’s Usable”

We've released v1.2.1 of UwView, the free, open-source viewer for huge text files. Almost everything in this r…
2026.07.28
Release
Technical Notes

Why We Split Search Results Into a Separate Window — Jump, Save, and Context Lines You Can Use “While Looking” With the Filter Popup

We've moved UwView / UwView Pro's (UVF / UVP) search and filter results out of the inline, overwrite-the-main-…
2026.07.27
Technical Notes
技術解説

How much slower is the browser build? — UwView native (UVF) vs WASM, measured on the same file

UwView, the large text-file viewer, runs both as a native desktop app (UVF) and in the browser (WASM) — the sa…
2026.07.26
技術解説
Technical Deep Dive

UwView Pro in Animated GIFs — Instant Open, Search, Highlight, and Rectangular Save in Action

For UwView Pro (UVP below), we've already shared numbers on speed in our benchmark article and our klogg compa…
2026.07.22
Technical Deep Dive
Technical Notes

Shelve an Investigated Log at 1/9th the Size, Reopen It Tomorrow Right Where You Left Off — A Practical Archive × Session Restore Workflow

In We Released UwView Pro, we introduced the Archive feature (store at roughly 1/9th the size and view without…
2026.07.22
Technical Notes
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…
2026.07.21
Technical Guide
Comparison

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

We previously published a feature comparison table between the large-file text viewer UwView and the industry-…
2026.07.20
Comparison
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…
2026.07.20
Release
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…
2026.07.19
Release
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