ListFan
Text · Free

JSON formatter

Validate JSON and format it as readable, indented text. Your data stays in the browser.

01Enter your values

Runs in your browser
JSON

02JSON formatter

Runs in your browser

How it works

Validate JSON and format it as readable, indented text. Your data stays in the browser.

Runs in your browser

Discovery source

Your data stays yours

Inputs are processed on this page and are never sent to a server.

About this tool

Validate JSON and format it as readable, indented text. Your data stays in the browser.

Format or compact JSON while preserving every digit of large integer literals.

Use tool ↑

How to use it

  1. Enter your values

    Text · Indent

  2. Calculate / generate

    Validate JSON and format it as readable, indented text. Your data stays in the browser.

  3. Result

    { "name": "ListFan", "free": true, "languages": 20 }

Calculation method

Format or compact JSON while preserving every digit of large integer literals.

Example scenario

JSON formatter

Text
{"name":"ListFan","free":true,"languages":20}
Indent
2
Result
{
  "name": "ListFan",
  "free": true,
  "languages": 20
}

Frequently asked questions

How should I interpret the result?

Format or compact JSON while preserving every digit of large integer literals.

Where does my data go?

Calculations run on your device. Form inputs are not sent to a server.