JSON Formatter & Dev Tools | DuskTools

JSON, Base64, UUID, regex, SHA, JWT, time, encoders, color, lorem, case & lines. Local. DuskTools.

JSON Formatter & Dev Tools | DuskTools packs a dozen+ developer utilities into one Chrome popup. Everything runs locally — no accounts, no background tracking. Tools included: • JSON - format, minify, validate; paste and copy • Base64 - encode and decode UTF-8 text • UUID - random v4, optional uppercase, copy • Regex - test patterns with flags; list matches • Hash - SHA-256, SHA-384, SHA-512 (Web Crypto) • URL - encodeURIComponent / decodeURIComponent • JWT - decode header and payload (inspection only; does not verify signatures) • Timestamp - Unix seconds ↔ readable date / ISO • HTML entities - encode and decode for safe text • Color - hex to RGB • Lorem ipsum - generate placeholder words • Text case - UPPER, lower, Title, camelCase, snake_case • Line tools - sort A-Z, unique lines, trim lines, reverse order More on the web: 150+ tools at https://dusktools.app