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CSV to JSON
Convert quoted CSV into JSON objects or arrays while keeping every cell as text.
CSV
JSON
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
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How to use this tool
- Paste CSV text or choose a UTF-8 file; a chosen file takes precedence.
- Choose whether the first row supplies unique object keys. Uncheck it to preserve duplicate or empty headers as arrays.
- Select Process data, review the result, and download it. Use Reset to clear the working data.
Examples
name,score Alice,10 Bob,20
Limitations
5 MiB input; 50,000 data rows; 500 columns; 500,000 cells; 20 MiB output. First row is the header. Ragged rows are rejected.
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