Format & Beautify JSON
Upload JSON files or paste your data to get clean, properly formatted JSON output
JSON Formatter Tool
Streamline JSON data formatting with customizable spacing, specification validation, and clean output for improved readability and compatibility.
JSON Formatting Features
Professional JSON formatting capabilities with specification validation
Custom Spacing
1-4 space tabs or compact
JSON Validation
RFC & ECMA specification support
Clean Output
Readable formatted structure
File Support
Upload or paste JSON data
Professional JSON formatting with industry-standard specifications
How JSON Formatting Works
Simple steps to format and beautify your JSON data
1
Input JSON
Upload your JSON file or paste raw JSON data directly into the editor.
2
Choose Settings
Select spacing preference and JSON specification for validation.
3
Format & Validate
Click format to process and validate your JSON against standards.
4
Download & Use
Copy formatted JSON or download the file for immediate use.
Frequently Asked Questions
Common questions about our JSON Formatter tool
About JSON Formatter
What is JSON Formatter?
JSON Formatter is a powerful online tool designed to beautify, format, and validate JSON data. It transforms messy JSON into clean, readable format with proper indentation and ensures compliance with various JSON specifications.
Why should I use JSON Formatter?
JSON Formatter improves data readability, helps with debugging, ensures specification compliance, and provides customizable spacing options. It's essential for developers working with JSON APIs, configuration files, and data interchange.
Using JSON Formatter
What JSON specifications are supported?
Our tool supports RFC 8259 (latest), RFC 7159, RFC 4627, and ECMA-404 specifications. You can also skip validation if you need to format non-standard JSON structures.
What spacing options are available?
Choose from 1-4 space tabs for indentation or compact (minified) output. The 4-space tab is recommended for maximum readability, while compact is perfect for production use.
Security and Privacy
Is my JSON data secure?
Yes, JSON Formatter operates entirely client-side in your browser. Your JSON data is never transmitted to any server, ensuring complete privacy and security of your information.
Can I format large JSON files?
The tool can handle reasonably large JSON files. For very large files, performance depends on your browser's capabilities. All processing happens in your browser for maximum security.
Privacy & Security
All JSON processing is performed client-side in your browser. No data is transmitted to our servers, ensuring complete privacy and security of your JSON data.