Columns

Research notes and analysis designed to be citeable.

Cluster-first structure

3 published articles are available for this locale.

Topic shortcuts

CSV and Excel encoding2 articles Tool architecture1 articles

CSV and Excel encoding

2 published articles are available for this locale.

column/csv-excel-encoding

Shift-JIS to UTF-8 CSV Workflow for Teams

A team workflow for converting Japanese Shift-JIS CSV files to UTF-8 without losing the original file, breaking Excel review, or creating upload errors.

Updated 2026-06-26

column/csv-excel-encoding

Why Excel Breaks UTF-8 CSV Files

A practical explanation of why UTF-8 CSV files can look broken in Excel, when BOM helps, and how to split Excel copies from upload-safe CSV files.

Updated 2026-06-26

Tool architecture

1 published articles are available for this locale.

column/tool-architecture

Client-Side vs Server-Side Data Tools: A Privacy Workflow

How to decide whether CSV, JSON, byte-count, and Markdown utilities should run in the browser or on a server when users may paste sensitive work data.

Updated 2026-06-26