JSON Pretty Print

Pretty print JSON with advanced formatting options

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Supports: JSON

Max size: 1MB

// Pretty printed JSON will appear here...
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About JSON Pretty Print

Take complete creative control over your JSON formatting with advanced pretty-printing parameters and sorting capabilities.

JSON Pretty Print Example

Input

{"name":"John","age":30,"city":"NYC"}

Output

{
  "age": 30,
  "city": "NYC",
  "name": "John"
}

How JSON Pretty Print Works

  1. 1Paste your condensed, unformatted JSON payload directly into the input workspace.
  2. 2Configure your preferred indentation schema (2, 4, or 8 spaces) and toggle alphabetical key sorting for maximum readability.
  3. 3The engine immediately pretty-prints the data, applying strict syntax highlighting and structural spacing.
  4. 4Select, copy, or save the perfectly formatted JSON document for your next code review or technical presentation.

JSON Pretty Print Use Cases

  • Standardize messy JSON API responses into human-readable formats before sharing them with non-technical stakeholders.
  • Alphabetically sort massive JSON configuration files to quickly locate deeply nested variables.
  • Generate impeccably formatted data structures for embedding into markdown documentation or Git wikis.
  • Format complex application state outputs for easier debugging during frontend React or Angular development.

JSON Pretty Print Frequently Asked Questions

Why pretty print JSON instead of just formatting it?

While basic formatters simply add indentation, our JSON Pretty Print engine executes advanced structural manipulations like rigorous alphabetical key sorting. When debugging a 5,000-line minified JSON configuration file, sorting the keys alphabetically allows backend engineers to instantly locate the exact variable they need without using brute-force regex searches.

How does it unminify heavily compressed API payloads?

Production APIs and Webhooks typically transmit minified JSON (with all whitespace stripped) to optimize network bandwidth. When you paste that unreadable, single-line string into this tool, our Abstract Syntax Tree (AST) parser reconstructs the hierarchy and injects strict, standard-compliant spacing (2, 4, or 8 spaces), instantly restoring human readability.

Does the alphabetical key sorter break internal arrays?

No. The sorting algorithm strictly targets the keys of JSON Objects `{}`. It intentionally bypasses JSON Arrays `[]` to preserve the precise indexed order of list items, guaranteeing that your application state or database pagination remains perfectly intact.

Is it safe to pretty print secure JWTs or authentication tokens?

Yes. The pretty-print and key-sort operations run purely inside your browser using the V8 JavaScript engine — no data leaves your machine. JWT payloads, API response bodies, and internal configuration objects you paste into the editor are processed locally and discarded when you close the tab.

JSON Pretty Print Key Features

Alphabetical Sorting

Automatically reorganizes object keys alphabetically for consistent diffs.

Deep Customization

Fine-tune indentation spaces, tab widths, and bracket spacing configurations.

Syntax Highlighting

Renders the output in highly readable, color-coded blocks.

Protected Processing

Format proprietary configuration files safely offline in the browser.

Related JSON Tools

Why Use Our JSON Pretty Print?

While standard formatters simply fix indentation, JSON Pretty Print offers extensive customization for developers who demand perfection. The ability to sort keys alphabetically transforms messy data into heavily predictable, easily searchable structures.

This predictability is especially important for version control, as sorted keys minimize noisy diffs when tracking changes in Git. It is the definitive tool for tidying up configuration files or creating immaculate documentation examples.