Developer Tools | JSON Formatter, String to JSON, Base64, URL Encode, JWT Decoder

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JSON Formatter & Validator

Format, validate, and beautify your JSON data. Instant syntax highlighting and error detection.

Input JSON Paste or type JSON

Formatted Output

Examples

Simple Object Array of Objects Nested Object

String to JSON Converter

Convert string representation to valid JSON. Parse and validate JSON strings instantly.

Input String

JSON Output

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 to text. Perfect for API tokens and data transfer.

Text Input

Base64 Output

URL Encode & Decode

Encode special characters in URLs or decode percent-encoded strings.

Input Text/URL

Output

JWT Token Decoder

Decode JWT tokens and view header, payload, and signature. Validate token structure.

JWT Token

Decoded Payload

HTML Entity Encoder & Decoder

Encode special characters to HTML entities or decode them back to text.

Input Text/HTML

Output

SQL Formatter & Beautifier

Format and beautify your SQL queries. Make messy SQL readable and organized.

Input SQL

Formatted SQL

CSS & JavaScript Minifier

Minify CSS and JavaScript code. Remove whitespace and comments for production.

Input CSS/JS

Minified Output

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No data stored, completely secure

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Use on any device, anywhere

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