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Format, convert, inspect, and test code snippets, data formats, timestamps, tokens, and developer values locally.
Regex TesterNewTest JavaScript regular expressions against sample text and inspect matches.ConvertersOpenMarkdown EditorNewWrite Markdown and preview rendered HTML instantly.ConvertersOpenJWT DecoderNewDecode JWT header and payload locally without sending tokens to a server.ConvertersOpenXML FormatterNewFormat compact XML into readable indented XML.ConvertersOpenYAML JSON ConverterNewConvert simple YAML to JSON or JSON to YAML in your browser.ConvertersOpenTimestamp ConverterNewConvert Unix timestamps to readable local and UTC dates.ConvertersOpenNumber Base ConverterNewConvert numbers between binary, octal, decimal, and hexadecimal.ConvertersOpenCron Expression GeneratorNewBuild a standard five-part cron expression and plain-English description.ConvertersOpenChmod CalculatorNewConvert file permission checkboxes into chmod octal and symbolic notation.ConvertersOpenCookie ParserNewParse a Cookie or Set-Cookie header into readable key-value rows.ConvertersOpenHTTP Status Code LookupNewLook up common HTTP status codes and what they usually mean.ConvertersOpenREST ClientNewSend a simple browser fetch request to CORS-enabled APIs and inspect the response.ConvertersOpen