List converter with explicit input formats

  1. Input
  2. Options
  3. Result

Options

Input format

Output format

Up to 1 million input characters and 20,000 items. CSV output is one quoted record; spreadsheet applications may interpret formulas when opening it. Prefer JSON for literal values.

Lines remain whole, including commas. CSV rows and columns become one flat list. JSON accepts string arrays only. Whitespace and duplicates are preserved unless you choose to remove them.

Quick start

Convert lines, quoted CSV cells or a JSON string array locally. Control cleanup, duplicates, sorting and prefixes without guessing the format.

  1. Choose the actual input format and paste the list
  2. Enable only the cleanup options you need
  3. Convert and copy or download the last result

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