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Shift-JIS

The UwView series — search with UwView, compare with UwDiff

Open and search huge files with UwView; compare two files or two folders with UwDiff. Both run on Windows, macOS and Linux.

News

Search With UwView, Compare With UwDiff — Introducing UwDiff, a Tool That Compares Two Files in Any Format, Encoding or Size: Key Matching of Two 10 GB CSV Files in 21.8 s, While the Worst Case Where Almost Every Line Differs Takes 110 s

Once you can open and search a huge log, the next question is what changed between last time and this time. La…
2026.10.25
News
Technical Guide

Our Index Now Holds Shift-JIS, EUC-JP and UTF-16 as UTF-8 — Full Spectrum Part 1: 5.4x to 38.8x Over ripgrep -E From the Second Query, 1.2x to 1.5x Behind on the First

The conversion ran every single time. Searching a 3 GB Shift-JIS file meant decoding 3 GB before a single hit…
2026.10.16
Technical Guide
News

UwView v1.9.0 “Full Spectrum” — Compared with ripgrep: (Plain, Word, Excel, PDF, Compressed) × (CLI, GUI) × (Huge, Many) × (Four Encodings) × (Complex Searches), Made Fast Across the Board

As a formula, it looks like this. Free UwView (uvf) (plain + Word, Excel, PDF + compressed [gz, bz2, xz, lzma,…
2026.10.14
News
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