CSV encoding
CSV opens garbled in Excel
Compare UTF-8, CP949/EUC-KR, and Shift-JIS, then export an Excel-safe copy.
Browser-based tools that fix practical data and text problems.
You do not need to know the tool name. Start from the symptom and jump into the right workbench.
CSV encoding
Compare UTF-8, CP949/EUC-KR, and Shift-JIS, then export an Excel-safe copy.
JSON formatter
Separate commas, quotes, HTML responses, and wrappers from real JSON syntax issues.
Token calculator
Estimate token count and example-rate cost across English, Korean, and Japanese text.
Character counter
Check multilingual text, emoji, SEO titles, and meta descriptions against byte limits.
Markdown table
Turn CSV or TSV into a clean table for READMEs, PRs, docs, and issue comments.
Browser-based data and text utilities for recurring operational work.
Diagnose garbled CSV text, Shift-JIS to UTF-8 issues, Excel BOM behavior, and upload-safe CSV output.
Format, minify, and debug JSON with parse error positions and likely causes.
Estimate token counts and example-rate API costs for English, Korean, and Japanese prompts.
Count characters, UTF-8 bytes, 1000-byte limits, sentences, paragraphs, reading time, and SEO text length in one place.
Convert CSV or TSV into a clean Markdown table for GitHub README files, docs, and issues.