CSV encoding
CSV opens garbled in Excel
Compare UTF-8, CP949/EUC-KR, and Shift-JIS, then export an Excel-safe copy.
CSV / Encoding first
Browser tools for fixing CSV encoding, JSON errors, AI token costs, and multilingual byte limits.
Pick the symptom, then open the matching tool or the verified fix guide.
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.
Each tool is connected to a real problem and supporting content, so the site reads as a useful workflow rather than a thin tool list.
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.
Search Console already shows demand around mojibake, Shift-JIS, UTF-8, and Excel CSV workflows, so these fixes are now the first path.
Fix Japanese CSV mojibake by checking Shift-JIS, CP932, UTF-8, Excel BOM behavior, delimiters, and the right export copy for Excel or uploads.
Updated 2026-06-24
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
Convert CSV or TSV into a GitHub-ready Markdown table, fix header rows, escaped pipes, delimiters, and README preview problems.
Updated 2026-06-25
How to debug JSON Unexpected token errors by checking the token, position, quotes, commas, and real API response body.
Updated 2026-06-25
Why Unexpected token < in JSON at position 0 usually means your API returned HTML, not JSON, and how to debug it.
Updated 2026-06-25
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
Why visible characters and UTF-8 bytes differ for Korean, Japanese, emoji, database fields, API limits, and SEO text.
Updated 2026-06-25
Browser-based tools that fix practical data and text problems.
Diagnose garbled CSV text, Shift-JIS to UTF-8 issues, Excel BOM behavior, and upload-safe CSV output.
Count characters, UTF-8 bytes, 1000-byte limits, sentences, paragraphs, reading time, and SEO text length in one place.
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.
Convert CSV or TSV into a clean Markdown table for GitHub README files, docs, and issues.
Fix Japanese CSV mojibake by checking Shift-JIS, CP932, UTF-8, Excel BOM behavior, delimiters, and the right export copy for Excel or uploads.
Updated 2026-06-24
Convert a Japanese Shift-JIS or CP932 CSV to UTF-8 safely by previewing the original bytes, checking columns, and choosing Excel or upload output.
Updated 2026-06-25
How to debug JSON Unexpected token errors by checking the token, position, quotes, commas, and real API response body.
Updated 2026-06-25
Why Unexpected token < in JSON at position 0 usually means your API returned HTML, not JSON, and how to debug it.
Updated 2026-06-25
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
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
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
The difference between a JSON formatter, validator, and error checker, plus a practical workflow for debugging JSON parse errors.
Updated 2026-06-25
Convert CSV or TSV into a GitHub-ready Markdown table, fix header rows, escaped pipes, delimiters, and README preview problems.
Updated 2026-06-25
Why visible characters and UTF-8 bytes differ for Korean, Japanese, emoji, database fields, API limits, and SEO text.
Updated 2026-06-25