Guides

Practical explainers for causes, comparisons, and workflows.

Cluster-first structure

6 published articles are available for this locale.

2 published articles are available for this locale.

Fix garbled CSV files in Excel by comparing UTF-8, UTF-8 BOM, Shift-JIS, CP949/EUC-KR, delimiters, and upload-safe exports.

Updated 2026-06-24

Choose the right Excel CSV encoding by comparing UTF-8, UTF-8 BOM, Shift-JIS, CP949/EUC-KR, delimiters, and upload requirements.

Updated 2026-06-25

1 published articles are available for this locale.

The difference between AI token count and character count, and how to estimate prompt cost for English, Korean, and Japanese text.

Updated 2026-06-25

1 published articles are available for this locale.

The difference between a JSON formatter, validator, and error checker, plus a practical workflow for debugging JSON parse errors.

Updated 2026-06-25

1 published articles are available for this locale.

Convert CSV or TSV into a GitHub-ready Markdown table, fix header rows, escaped pipes, delimiters, and README preview problems.

Updated 2026-06-25

1 published articles are available for this locale.

Why visible characters and UTF-8 bytes differ for Korean, Japanese, emoji, database fields, API limits, and SEO text.

Updated 2026-06-25