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JSON Prettifier

World's Simplest JSON Tool

Free online JSON beautifier. Just load your JSON in the input field and it will automatically get prettified. In the tool options, you can choose whether to use spaces or tabs for indentation and if you're using spaces, you can specify the number of spaces to add per indentation level. Created for developers by developers from team Browserling.

᠎᠎᠎          Tool Options

Indentation

Indent output with spaces.
How many spaces per indent?
Indent output with tabs.

What Is a JSON Prettifier?

This tool adds consistent formatting to the data in JavaScript Object Notation (JSON) format. This transformation makes the JSON code more readable, making it easier to understand and edit. The program parses the JSON data structure into tokens and then reformats them by adding indentation and line breaks. If the data is hierarchial, then it adds indentation at the beginning of lines to visually show the depth of the JSON and adds newlines to break long single-line JSON arrays into multiple shorter, more readable ones. Additionally, this utility can remove unnecessary spaces and tabs from your JSON code (especially leading and trailing whitespaces), making it more compact. You can choose the line indentation method in the options: indent with spaces or indent with tabs. When using spaces, you can also specify how many spaces to use for each indentation level (usually 2 or 4 spaces). Soon, the tool will also be able to prettify JSONL files, which are individual JSON strings separated by line breaks. Json-abulous!


JSON Prettifier Examples

Click to try!

Beautify an Ugly JSON Array

In this example, we prettify an ugly JSON array. The input data is a one-dimensional array of numbers [1,2,3] but they are all over the place. This array gets cleaned up and transformed into a more readable format where each element is on a new line with an appropriate indentation using four spaces.

[ 1, 2,3 ]
[ 1, 2, 3 ]
Required options
These options will be used automatically if you select this example.
Indent output with spaces.
How many spaces per indent?

Prettify a Complex JSON Object

In this example, we prettify a complex JSON data structure consisting of arrays and objects. The input data is a minified JSON object with multiple data structure depth levels. To make it neat and readable, we add two spaces for indentation to each depth level, making the JSON structure clear and easy to understand.

{"names":["jack","john","alex"],"hobbies":{"jack":["programming","rock climbing"],"john":["running","racing"],"alex":["dancing","fencing"]}}
{ "names": [ "jack", "john", "alex" ], "hobbies": { "jack": [ "programming", "rock climbing" ], "john": [ "running", "racing" ], "alex": [ "dancing", "fencing" ] } }
Required options
These options will be used automatically if you select this example.
Indent output with spaces.
How many spaces per indent?

Beautify a JSON with Excessive Whitespace

In this example, we show how the JSON prettify tool can handle code with excessive whitespace. The input file has many leading and trailing spaces as well as spaces within the objects. The excessive whitespace makes the file bulky and hard to read and leads to a bad impression of the programmer who wrote it. The program removes all these unnecessary spaces and creates a proper data hierarchy that's easy to work with by adding indentation via tabs.

{ "name": "The Name of the Wind", "author" : "Patrick Rothfuss", "genre" : "Fantasy", "published" : 2007, "rating" : { "average" : 4.6, "goodreads" : 4.58, "amazon" : 4.4 }, "is_fiction" : true }
{ "name": "The Name of the Wind", "author": "Patrick Rothfuss", "genre": "Fantasy", "published": 2007, "rating": { "average": 4.6, "goodreads": 4.58, "amazon": 4.4 }, "is_fiction": true }
Required options
These options will be used automatically if you select this example.
Indent output with tabs.

Pro tips Master online json tools

You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!

https://onlinetools.com/json/prettify-json?input=%5B%0A%201%2C%0A2%2C3%20%20%0A%5D&indent-use-spaces=true&indent-spaces=4

All JSON Tools

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
Quickly color-code the syntax of a JSON file.
Quickly beautify a JSON data structure.
Quickly compress a JSON file.
Quickly convert JavaScript data to a JSON string.
Quickly convert a JSON string to JavaScript data.
Quickly check JSON for errors and report them.
Quickly escape special JSON characters.
Quickly unescape an escaped JSON string.
Quickly convert a JSON data structure to an XML file.
Quickly convert an XML file to a JSON data structure.
Quickly convert a JSON data structure to a YAML markup.
Quickly convert a YAML markup to a JSON data structure.
Quickly convert a JSON file to a TSV file.
Quickly convert TSV data to a JSON file.
Quickly convert a JSON file to a CSV file.
Quickly convert CSV data to JSON data.
Quickly convert a JSON structure to binary JSON encoding.
Quickly convert JSON to a PNG, GIF, JPG, or BMP image.
Quickly create a screenshot from JSON code.
Quickly encode JSON to base64.
Quickly decode base64 to JSON.
Quickly convert JSON to URL-encoding.
Quickly convert URL-escaped JSON back to JSON.
Quickly convert JSON data to plain text.
Quickly edit a JSON file in a neat JSON editor in your web browser.
Quickly extract keys from objects in JSON data.
Quickly extract values from objects in JSON data.
Quickly reduce the nesting level of an array of arrays.
Quickly create a single-level JSON object from nested JSON objects.
Quickly rewrite JSON strings, keys, and values using escape codes.
Quickly obfuscate a JSON data structure.
Quickly remove certain information from a JSON data structure.
Quickly display detailed information about a JSON data structure.
Quickly convert a JSON file to properties file.
Quickly convert a properties file to a JSON file.

Coming Soon

These JSON tools are on the way!
Find JSON Keys/Values

Find keys and/or values that interest you in a JSON file.

Convert JSON to a List

Create a text list from a JSON array or object.

Convert a List to JSON

Create a JSON array from a text list.

Convert JSON to Form Data

Generate HTTP form data from a JSON object.

Convert Form Data to JSON

Generate JSON object from HTTP form data.

Convert JSON to HTML

Create a HTML table from keys and values of a JSON object.

Convert JSON to CSON

Convert a JSON file to a CSON file.

Convert CSON to JSON

Convert a CSON file to a JSON file.

Convert JSON to TOML

Convert a JSON config to a TOML config.

Convert TOML to JSON

Convert a TOML file to a JSON file.

Convert JSON to Bencode

Convert a JSON data structure to Bencode encoding.

Convert Bencode to JSON

Convert Bencode data to JSON data.

Convert JSON to JSONL

Convert a JSON file to a JSONL file.

Convert JSONL to JSON

Convert a JSONL file to a JSON file.

Convert BSON to JSON

Convert binary JSON data structure (BSON) to JSON.

Convert JSON to UBJSON

Convert a JSON file to a universal binary JSON (UBJSON).

Convert UBJSON to JSON

Convert universal binary JSON (UBJSON) to regular JSON.

Convert JSON to Message Pack

Serialize JSON data to binary MessagePack format.

Convert Message Pack to JSON

Unserialize binary MessagePack to a JSON struct.

Convert JSON to Protobuf

Serialize JSON data to binary Protobuf format.

Convert Protobuf to JSON

Unserialize binary Protobuf to a JSON struct.

Convert JSON to a LaTeX Table

Generate a LaTeX table from a JSON object.

Convert JSON to INI

Convert a JSON data file to an INI configuration file.

Convert INI to JSON

Convert an INI configuration file to JSON data file.

Truncate JSON

Loop over JSON structure and truncate all values or keys.

Find JSON Depth

Find the nesting depth of a JSON data structure.

Convert JSON to a Data URI

Convert a JSON data structure to a data URL.

Convert JSON to a PHP Array

Create a PHP data structure from a JSON data structure.

Convert a PHP array to JSON

Create a JSON data structure from a PHP data structure.

Compare Two JSON Files

Diff JSON files and show differences visually.

Sort JSON Object Keys

Lexicographically sort the order of JSON object keys.

Swap JSON Keys with Values

Exchange keys with values in a JSON file.

Create a Random JSON Array

Create a JSON array with random values.

Create a Random JSON Object

Create a JSON object with random keys and values.

Randomize a JSON Array

Randomly change the positions of array elements.

Randomize a JSON Object

Randomly change the order of key, value pairs.

Add Spacing to JSON

Add random spaces and newlines in a JSON file.

Tokenize JSON

Tokenize a JSON data structure.

Remove JSON Syntax

Remove all JSON syntax and leave just the values.

Change JSON Syntax

Change curly braces, commas, and quotes to other symbols.

Fix Quotes in JSON

Fix incorrectly quoted (usually single quote) keys and values.

Use Single Quotes in JSON

Make all keys and values in a JSON to be single-quoted.

Use Double Quotes in JSON

Make all keys and values in a JSON to be double-quoted.

Generate FakeSON

Create JSON that looks real but is fake (FakeSON).

Run jq

Execute a jq query on a JSON data structure.

Filter JSON

Filter keys and values that match a pattern.

Split a String into a JSON Array

Create a JSON array from a string.

Group a JSON Array

Create groups of JSON array items.

Merge JSON Arrays

Merge two or more JSON arrays together.

Compare JSON Arrays

Find differences in two or more JSON arrays.

Merge JSON Objects

Merge two or more JSON objects together.

Damage JSON

Introduce errors in a JSON data structure.

Fix JSON

Try to fix a damaged JSON to the best of our ability.

Create JSON Art

Convert images to valid JSON strings that look like ASCII art.

Visualize a JSON Structure

Create an abstract visualization of JSON's complexity.


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