CSV to JSON Converter

Convert CSV to JSON, or JSON to CSV, entirely in your browser. Handles quoted fields, commas and newlines — and nothing is ever uploaded.

About this tool

Convert CSV to JSON and back with a single click. Auto-detects delimiters and correctly handles quoted fields — all processing happens in your browser.

Switching between CSV and JSON usually means scripts or online converters. This tool detects your delimiter, respects quoted fields, and converts in either direction on your device. It's a fast, private way to reshape tabular data for APIs, imports, and analysis.

Why use it

Reliable, two-way CSV and JSON conversion with smart delimiter detection — no uploads, no accounts, and instant results.

How it works

  1. Paste your CSV or JSON data.
  2. Choose the conversion direction.
  3. Copy the converted output.

Frequently asked questions

Is my data uploaded?

No — conversion is done locally in your browser.

Does it handle quoted fields with commas?

Yes, quoted fields and common delimiters are detected and parsed correctly.

Can I convert both ways?

Yes, from CSV to JSON and from JSON to CSV.

All processing on this page happens locally in your browser — your files are never uploaded to a server.

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