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JSON Formatter

Format, validate, beautify, search, collapse, sort, escape, unescape, copy, and download JSON with an interactive tree viewer.

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Format or validate JSON to open the interactive tree viewer.

JSON Formatter - Fast, Secure, and 100% Free

What is JSON Formatter?

JSON Formatter is a free browser-based tool for formatting, validating, minifying, searching, and inspecting JSON. It includes an interactive tree viewer with case-insensitive phrase highlighting, scrollbar match markers, collapsible objects and arrays, a hide-input wide view, key sorting, escape/unescape helpers, copy, sample data, and JSON download. All processing happens locally in your browser.

Advantages of using JSON Formatter

  • Format and minify JSON instantly with clear validation feedback.
  • Search phrases without case sensitivity and see every match highlighted in the tree and on the scrollbar.
  • Collapse or expand nested objects and arrays to inspect large payloads faster.
  • Hide the raw input panel for a wider JSON viewer when reviewing long documents.
  • Sort nested object keys, escape or unescape JSON strings, copy output, download .json files, and load sample data for quick testing.

How to use JSON Formatter

  1. Paste your JSON, then choose Format, Minify, or Validate. After a valid parse, use search, next/previous navigation, scrollbar markers, and node folding to inspect the result. Use Sort keys, Escape, Unescape, Copy, Download, Load Sample, or Clear for common JSON workflows.

Use this JSON Formatter whenever you need a fast, private, and interactive way to clean, inspect, and share JSON data.

JSON formatter, JSON validator, JSON minifier, JSON search, JSON tree viewer, collapse JSON, sort JSON keys, escape JSON string