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JSON Formatter & Validator

Paste JSON to format, minify, or validate. Errors show message and approximate line.

Example

Paste minified JSON like {"name":"example","count":42} and click Format to get readable output with indentation.

FAQ

No. Formatting and validation run entirely in your browser.
It checks if the text is valid JSON and shows the error and approximate line if not.

Data Transformation Tools

SQL Formatter

Beautify SQL with indentation and uppercase keywords.

CSV Header Validator

Detect duplicate or empty headers and column count issues.

Regex Tester

Test regex patterns, highlight matches, and show capture groups.

Timestamp Converter

Unix timestamp to date, date to timestamp, timezone, current time.

Color Converter

Convert HEX, RGB, HSL. Color preview and copy.

JSON Diff Tool

Compare two JSON objects. See added, removed, changed.

Text Diff Checker

Compare two text blocks. Highlight additions and deletions.

JSON ↔ PHP Array Converter

Convert JSON to PHP array syntax and PHP array to JSON.

Lorem Ipsum Generator

Generate paragraphs, sentences, or words.

Case Converter

UPPERCASE, lowercase, camelCase, PascalCase, snake_case, kebab-case.

Text Statistics

Word count, character count, sentence count, reading time.

SQL Query Generator

Build SELECT with table, columns, WHERE, LIMIT.