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CONVERTERS

CSV to JSON Converter

Paste CSV data or load a CSV file, detect the delimiter, convert rows into readable JSON objects, or convert JSON arrays and objects back into CSV.

Tool statusRuns in your browser
Preview

CSV input

Or drop any filechoose a file
.csv, .tsv, .txt · up to 2.0 MB. Read in your browser, never uploaded.

Output

Rows
2
Columns
2

CSV converted to JSON.

How it works

  1. Enter your input

    Fill in the values, paste your text, or upload the file this tool works with.

  2. See results instantly

    Most tools update live as you type; a few use a single button. Either way, the result appears right on this page.

  3. Use your results

    Copy, download, or share what the tool produces — you're always in control of the output.

Privacy and processing — Runs locally in your browser. This tool does not upload your input.

What is CSV to JSON Converter?

Convert a CSV or TSV table into formatted JSON objects using the first row as field names.

UNDERSTAND THE TOOL

How to convert CSV to JSON

How to use it

  • Paste CSV data or load a .csv, .tsv, or .txt file.
  • Let the tool detect the delimiter, or choose comma, semicolon, or tab.
  • Review the row and column counts.
  • Copy the formatted JSON output.

Expected CSV shape

The first row is treated as headers. Each following row becomes one JSON object, and missing cells become empty strings.

Before copying JSON

  • Check that the detected delimiter matches your file.
  • Confirm the header names are the keys you want.
  • Review row and column counts for obvious paste mistakes.

CSV notes

Delimiter detection and quoted-cell parsing cover common CSV exports. Review headers and row counts before using the converted JSON in automation.

Frequently Asked Questions

Does it support quoted commas?

Yes. Quoted cells can contain delimiters and escaped quotes.

Can I convert TSV?

Yes. Choose Tab as the delimiter or let the detector pick it from the first row.

Are numbers converted to JSON numbers?

No. CSV cells are kept as strings so identifiers, leading zeros, and formatting are preserved.

How are missing cells handled?

When a data row has fewer cells than the header row, missing values become empty strings in the JSON object.

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