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CSV/JSON Converter

Text Tools

Convert between CSV and JSON formats with support for Excel files

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Enter CSV data above or upload a file to convert to JSON

About CSV/JSON Conversion

100% Client-Side & Private: All conversions happen locally in your browser. Your data never leaves your device.

What is CSV? Comma-Separated Values - a simple text format for tabular data where each line represents a row and values are separated by delimiters.

What is JSON? JavaScript Object Notation - a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate.

CSV to JSON: Converts CSV data into structured JSON objects. The first row can be used as property names (headers) for each object.

JSON to CSV: Converts JSON arrays into CSV format. Nested objects can be flattened using dot notation (e.g., user.name).

Excel Support: Upload .xls or .xlsx files directly - they will be automatically converted to CSV format first.

Delimiters: Choose from comma, semicolon, tab, or pipe characters to match your CSV format. Auto-detect will try to identify the delimiter automatically.

Use Cases: Data migration, API integration, spreadsheet processing, database imports/exports, data transformation, file format conversion.

AL

Ashley Leslie

Senior Software Entwicklerin

Ich identifiziere komplexe Geschäftsherausforderungen und entwickle innovative Lösungen, die die betriebliche Effizienz transformieren und messbare Ergebnisse liefern.

Problemlösung durch strategisches Denken und technische Exzellenz.

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