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13JSON FormatterFormat, minify and validate JSON with error locations. Your data stays in your browser.Base64 Encoder and DecoderEncode and decode Base64 online. Supports UTF-8 text and Base64URL.URL Encoder and DecoderEncode and decode URLs and query parameters with percent-encoding validation.Unix Timestamp ConverterConvert Unix timestamps and dates, see the current time and switch between time zones.UUID GeneratorGenerate random UUID v4 values in batches with case and hyphen options.JWT DecoderInspect JWT headers, payloads, time claims and expiration status.Hash CalculatorCalculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text.Regular Expression TesterTest JavaScript regular expressions and inspect match positions and capture groups.Cron Expression ParserParse cron expressions and preview upcoming run times in your chosen time zone.SQL FormatterFormat SQL in multiple database dialects with configurable keyword case and indentation.Color ConverterPick or enter a color and convert between HEX, RGB and HSL formats.JSON to TypeScript ConverterConvert JSON into copyable TypeScript types and interface definitions.IP Address CheckerCheck IPv4, IPv6 or CIDR format, address type, location and subnet details.