Developer tools
Encoders, decoders, hashes, regex and time tools.
Regex TesterWrite a regular expression and watch it match your text as you type.Base64 Encode & DecodeTurn text into Base64 and back, with full Unicode support.Unix Timestamp ConverterTurn epoch seconds into real dates, and dates into epoch time.UUID GeneratorCreate unique IDs in bulk: UUID v4, UUID v7 or ULID.URL Encode & DecodePercent-encode text for links and query strings, or decode it back.Hash GeneratorGet MD5 and SHA checksums of any text in one go.JWT DecoderSee what is inside a JSON Web Token and whether it has expired.JavaScript Beautifier & MinifierUnpack minified scripts, or compress your own and catch syntax slips.SQL FormatterTurn a wall of SQL into a readable query, or squeeze it onto one line.Cron Expression ExplainerRead any cron schedule in plain English and see exactly when it runs next.HTML Beautifier & MinifierIndent tangled HTML so you can read it, or squeeze it down for production.HTML Entity Encode / DecodeEscape text for HTML, or turn entity codes back into readable characters.CSS Beautifier & MinifierClean up a stylesheet for reading, or shrink it for shipping.Number Base ConverterType a number in any base and read it in all the others, however large.Chmod CalculatorTurn ticks into chmod numbers and back, with every setting explained.HTML to MarkdownTurn web page HTML into tidy Markdown for docs, notes and READMEs.URL Parser & Query String EditorPull a web address apart, edit its parameters and put it back together.