Json Tools
9 free tools tagged with "json"
Developer Tools
(9)JSON Formatter & Validator
Format, minify and validate JSON with syntax highlighting. Shows error locations, key count, nesting depth and size stats
JSON Prettifier
Format and pretty-print JSON with proper indentation online. Choose 2 spaces, 4 spaces, or tabs. Instant formatting with error detection and stats.
JSON Minifier
Minify JSON by removing all whitespace and formatting. See the size reduction instantly. Free online JSON compressor with copy button.
JSON Validator
Validate JSON syntax and find errors with line numbers online for free. Real-time validation as you type with detailed error messages and stats.
JSON to CSV Converter
Convert JSON arrays to CSV format online. Handles nested objects with dot notation, supports comma/tab/semicolon delimiters. Copy or download the CSV.
CSV to JSON Converter
Convert CSV data to JSON format online. Auto-detects delimiters, supports headers as keys, and outputs pretty or compact JSON. Copy with one click.
JSON Escape / Unescape
Escape special characters in strings for JSON or unescape JSON strings back to readable text. Handles newlines, tabs, quotes, and backslashes.
JSON to Plain Text
Extract plain text values from JSON data. Recursively walks the JSON structure and outputs values, keys, or full paths as readable text.
JWT Decoder
Decode JWT tokens to see the header, payload and expiry status. Colour-coded sections with formatted JSON output. Paste any JWT to inspect its contents.
Explore our collection of 9 free json tools. Each tool works directly in your browser with no sign-up required. From calculators and converters to generators and planners - find the right tool for your needs and get results instantly.