20 tools · no sign-up · nothing leaves your browser
Developer tools,
bite-sized.
Format JSON, decode JWTs, test regexes, convert timestamps and more. Fast, keyboard-friendly and private by design.
JSON and data
Encoding and crypto
Base64 Encode/DecodeConvert text to Base64 and backURL Encode/DecodePercent-encode text for URLs and query stringsHash GeneratorType or paste text to see its MD5JWT DecoderPaste a JSON Web Token to see its headerUUID GeneratorGenerate one or a thousand UUIDsHTML Entity EncoderEscape special characters for HTML
Text
Regex TesterWrite a regular expression and see every match highlighted as you typeCase ConverterPaste text or identifiers and see them in every common case at onceWord CounterType or paste text for live wordSlug GeneratorTurn a title into a clean URL slugLorem Ipsum GeneratorGenerate placeholder text by paragraphs
Web and time
Unix Timestamp ConverterConvert epoch time to a readable date and backCron Expression ExplainerSee what a cron schedule means in plain EnglishChmod CalculatorTick permissions to get the chmod number and symbolic notationNumber Base ConverterType a number in any base and see it in binaryColor ConverterConvert between HEXURL ParserPaste a URL to see its parts and every query parameter
Why stackbite?
Private. Every tool runs locally in your browser with standard Web APIs. Paste production JSON, tokens or logs without sending them to anyone's server.
Fast. No accounts, no pop-ups, results as you type.
Correct. Built on the same primitives your code uses: JSON.parse, Web Crypto, URL, BigInt and JavaScript's regex engine.