Free JSON Editor - Edit JSON Online

Edit JSON in your browser with live validation, syntax highlighting, and keyboard shortcuts. Zero setup required.

Input

Waiting for input
1

Output

1

Why Use Our JSON Editor?

Live Validation

Errors are highlighted as you type, with exact line and column references.

Keyboard First

Powerful shortcuts for paste, copy, format, minify, and sort speed up editing.

100% Private

Editing happens locally in your browser. Your JSON never leaves your device.

A Modern JSON Editor in Your Browser

Editing JSON should feel as comfortable as editing code in your IDE. Our editor combines a clean, distraction-free interface with the power features developers expect: syntax highlighting, line numbers, instant validation, and a tree view for navigating deeply nested data.

Built for real-world editing tasks

  • Patch a malformed payload pulled from server logs.
  • Tweak a configuration file before pushing to production.
  • Strip sensitive fields out of an API response before sharing.
  • Convert messy raw data into properly indented, readable JSON.

After editing, jump to the validator, formatter, or minifier with one click.

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JSON Formatter JSON Validator JSON Minifier JSON Converter JSON Viewer JSON Diff

Frequently Asked Questions