TheFileTool
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TSV → CSV

Drop TSV files here

Advanced settingsOutput settings
Some Excel environments may incorrectly read Korean characters in UTF-8 CSV without BOM. Turn it off when inserting it into a program that does not support BOM.
Values starting with =, +, -, and @ can be executed as formulas in Excel and Google Sheets, so put a single quotation mark (') in front of them. Leave numbers like -5 as is.
If it is not UTF-8, it is read as EUC-KR.It also automatically reads UTF-16 BOMs and saves the results as UTF-8. Select it manually only if the encoding of the file without BOM does not match.
Conversion details

Convert a tab-separated table into a comma-separated CSV that Excel and most programs read.

Quality and preservation

Values that look like formulas (single quotes added when setting defense)

Related tools

CSV → TSVTSV → JSON

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