TheFileConvert
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JSON Formatter & Validator

Pretty-print, minify, and validate JSON with clear error messages.

Processed securely in your browser. Your file never leaves your device.

How it works

  1. 1Paste your JSON, or upload a .json file.
  2. 2Choose pretty-print or minify.
  3. 3Your formatted result appears instantly.
  4. 4Copy it or download it as a file.

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JSON to CSV

Convert a JSON array of objects into CSV rows.

CSV to JSON

Convert CSV data into a JSON array of objects.

XML Formatter

Pretty-print or minify XML markup.

Base64 Encode / Decode

Encode text to Base64, or decode a Base64 string back to text.