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01JSON Formatter & Validator02JSON Path Builder03JWT Decoder04Base64 Encode / Decode05URL Encode / Decode06Unix Timestamp Converter07SQL Formatter08CSV ↔ JSON Converter09CSV Duplicate Processor10Markdown → HTML Converter11Regex Tester12HTML Formatter / Minifier13Character & Byte Counter14Japanese Era ↔ Gregorian Converter15Katakana ↔ Hiragana Converter16Japan Postal Code Lookup17Character Encoding Inspector (UTF-8)18XML ↔ JSON Converter19YAML ↔ JSON Converter20HTML Entity Encoder / Decoder21SQL IN Clause Generator22Date Difference Calculator23Japan Phone Number Formatter24CSV Column Extractor25CSV Merger26Text / JSON Diff Viewer27SQL INSERT Generator28SQL Function Reference29SQL Query Analyzer30Business Day Calculator31Power Query Code Generator32Japan Address Splitter33UUID Generator34Hash Generator (SHA-256 / SHA-512)35Number Base Converter (2 / 8 / 10 / 16)36Cron Expression Parser37Color Code Converter (HEX / RGB / HSL)38QR Code Generator39Image Resizer40Image Compressor41PDF Merger

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csv json convert transform tsv array

CSV ↔ JSON Converter

Convert between CSV and JSON. CSV→JSON produces an array of objects keyed by the header row. JSON→CSV writes an object array back to CSV format.

USAGE

3 simple steps

  1. 1Paste your CSV or JSON into the text area
  2. 2Select the conversion direction (CSV→JSON or JSON→CSV)
  3. 3Click Convert to see the result

FAQ

Frequently Asked Questions

Q. Is TSV (tab-separated) supported?

A. Yes. Tab-separated data is automatically detected and converted to JSON.

Q. What JSON format is expected for JSON→CSV?

A. An array of objects ([{"key":"value",...},...]) is required.

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