All tools

Developer tools directory

A fast set of browser-based utilities for formatting payloads, cleaning code, decoding tokens and converting everyday developer data.

Formatters

Payload, config and code cleanup

JSON FormatterFormat, validate, minify and inspect JSON with a tree view. XML FormatterBeautify XML, validate structure and convert XML to JSON. YAML FormatterClean indentation and catch common YAML structure issues. SQL FormatterFormat, compact and check common SQL query structure. Python FormatterNormalize indentation, blank lines and trailing whitespace. CSV to JSONConvert tabular CSV text into clean JSON arrays.

Inspectors

Debug and inspect developer strings

Regex TesterTest patterns, flags, matches, indexes and capture groups. JWT DecoderDecode headers, payload claims and expiration timestamps. Timestamp ConverterConvert Unix seconds, milliseconds and ISO date values. Cron ParserExplain cron expressions and preview upcoming run times.

Converters

Encode, generate and transform values

Base64 EncoderEncode and decode UTF-8 text as Base64. URL EncoderEscape query values and decode percent-encoded strings. Hash GeneratorCreate SHA digests for text snippets in the browser. UUID GeneratorGenerate UUID v4 values quickly. Color ConverterConvert HEX, RGB and HSL color values.