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CSV Viewer
Paste, upload, or drag CSV files to inspect structured tables and export parsed JSON.
How to use this tool
- Paste CSV or drop/upload a `.csv` file.
- Review parsed table output and diagnostics.
- Copy as JSON or download parsed CSV/JSON exports.
Typical uses
- Preview CSV exports quickly without opening spreadsheet tools.
- Inspect delimiter and column-shape issues before importing data.
- Generate JSON payloads for API mocks and dashboards.
Parsing notes
- Quoted values are handled by PapaParse parsing rules.
- Header/row column mismatches are flagged in diagnostics.
- Data remains local in browser during parsing and export.
FAQ
- Can I parse large CSV files?
- Yes, though very large files depend on browser memory and may feel slower.
- Why do columns misalign?
- Rows with missing separators or unescaped commas can cause width mismatches.
- Is the CSV uploaded anywhere?
- No. Parsing happens locally in-browser.
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