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JSON Tool

Edit JSON with live preview; Format JSON

Enable JavaScript to use the interactive controls. Your guide and examples are available below.

Features

About JSON Tool

Edit JSON with live preview; Format JSON

How to use it

  1. Paste a small source or data sample into the editor.
  2. Select the operation, language and formatting options offered by this tool.
  3. Review validation messages and inspect the output before copying or exporting it.

Try JSON Tool

{"name":"Pearto","items":[1,2,3],"active":true}

Supported formats

Processing and limitations

Browser

Uses the public editor library; generated types infer the sample. PHP typed properties require 7.4+, and private source generator identity is not guaranteed.

Questions and answers

What can I do with JSON Tool?

vanilla-jsoneditor text/tree/table modes, search/undo, live validation, formatting, YAML, Go structs, Java/PHP classes and downloads.

Where is my input processed?

The main operations run in your browser. Device models may require a first-use download; browser storage and resource limits apply.

What should I check before using the result?

Uses the public editor library; generated types infer the sample. PHP typed properties require 7.4+, and private source generator identity is not guaranteed.

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