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Free Developer Tools
Format JSON, HTML, CSS and SQL, test regular expressions, and encode or decode Base64, URLs and HTML.
JSON Formatter & ValidatorFormat, minify and validate JSON online with clear error messages.Base64 Encoder & DecoderEncode text to Base64 or decode Base64 back to text, with full UTF-8 support.URL Encoder & DecoderPercent-encode or decode URLs and query strings online.Regex TesterTest regular expressions live and see every match with its position.HTML Escape & UnescapeEscape special HTML characters or turn HTML entities back into text.HTML Formatter & MinifierBeautify messy HTML with indentation or minify it to save space.CSS Formatter & MinifierFormat CSS into readable rules or minify it for faster pages.SQL FormatterFormat SQL queries with uppercase keywords and clean line breaks.