JSON Validator
Validate your JSON data instantly. Get clear error messages with line numbers, auto-fix common issues, and format valid JSON.
Frequently Asked Questions
Related Tools
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting.
JSON Beautifier & Minifier
Format, minify, and validate JSON with customizable indentation, key sorting, tree view, and detailed statistics.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Regex Tester
Test and debug regular expressions in real-time. Matches highlighted, capture groups, replacements.
CSV to JSON Converter
Convert CSV data to JSON arrays and JSON arrays back to CSV. Custom delimiters supported.
Text Diff Checker
Compare two texts and see additions, removals, and unchanged lines highlighted side by side.