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CSV Doctor v1.0.0 provides offline Windows diagnostics for CSV, TSV and delimited TXT files, with delimiter and encoding detection, structural diagnostics and Excel-related risk warnings. Review source and before/after previews, choose repairs explicitly, and export a new copy with a JSON repair report. Original files are not modified.
- Supports comma, semicolon, tab and pipe; exports UTF-8 or UTF-8 BOM with CRLF or LF.
- Microsoft Edge WebView2 Runtime is required separately and is not installed automatically.
- Documented input limits: 16 MiB, 100,000 records and 256 columns.
- CSV files cannot prevent Excel itself from later reinterpreting values. Formula-risk protection is optional and changes cell text.
- Windows binaries are not Authenticode signed; Windows may show a reputation warning. Download from the official release and optionally compare SHA-256. Do not disable Windows security.
The portable ZIP and SHA256SUMS.txt are attached below. Extract the entire ZIP and run CSVDoctor.exe.