How to use: JSON Formatter & Beautifier

JSON Formatter & Beautifier is a free online JSON Tools tool that pretty-print JSON with configurable indentation instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

Use JSON Formatter & Beautifier now →

Description

Pretty-print JSON with configurable indentation.

  • JSON Tools
  • Because everything is computed client-side, JSON Formatter & Beautifier is safe to use with sensitive data such as API keys, tokens or private logs.
Input JSON Formatter & Beautifier Output Runs 100% in your browser — your data never leaves your device.
JSON Formatter & Beautifier — Input → Output

How to use

Using JSON Formatter & Beautifier takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · JSON Formatter & Beautifier 1 Paste your data intothe input box (or loadthe example). 2 Configure the optionsto match your targetformat or scenario. 3 Copy, download orinspect the output —it updates live as youtype.
How to use

Run

Examples

Pretty-prints with 2-space indent.

Input

{"name":"26173","tools":["base64","uuid"],"count":184,"nested":{"ok":true}}

Output

{
  "name": "26173",
  "tools": [
    "base64",
    "uuid"
  ],
  "count": 184,
  "nested": {
    "ok": true
  }
}

This output was produced by actually running the tool, not written by hand.

Use cases

Common situations where JSON Formatter & Beautifier helps:

  • Pretty-print JSON with configurable indentation.

Parameters

This tool has no options — it works on the input alone.

FAQ

What is JSON Formatter & Beautifier?

JSON Formatter & Beautifier pretty-print JSON with configurable indentation. It runs entirely in your browser, so your data stays private.

Is JSON Formatter & Beautifier free to use?

Yes. JSON Formatter & Beautifier is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Good to know

  • Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.

Related tools

JSON Formatter & Beautifier → · JSON Tools →

Related guides

Use JSON Formatter & Beautifier now →