JSON to CSV

Every cell stays a string. No header inference, numeric guessing, trimming or normalization. CSV accepts comma separators and CRLF/LF/CR records; doubled quotes escape a quote, and quoted cell newlines remain intact. One final record separator adds no row. JSON needs a nonempty rectangular array of string arrays. Export is pretty JSON or fully quoted CSV with CRLF record separators and no final separator/BOM. Copy and downloads preserve the raw result; textarea display can normalize newlines. Spreadsheet apps may interpret formulas, numbers or dates in CSV.

Input≤65536 UTF-16 units/128KiB; rows≤1000, columns≤64; output≤512KiB; job≤5seconds. No file import, automatic repair or total device-memory guarantee.

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Input and results stay in this tab's memory. No upload, browser storage, analytics, logs, URL or history data. Clear, mode change or leaving removes them. Only language/theme preferences may be saved.