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JSON formatter, Base64 encoder, UUID/hash generator, regex tester & more — 12 free dev tools in one popup. 100% local, no sign-up. CodeKitHub Quick Tools puts 12 of the most useful developer utilities right in your browser toolbar — no tab-switching, no sign-up, no data ever leaves your browser. Includes: • JSON Formatter — format or minify JSON instantly • Word Counter — words, characters, and lines as you type • Base64 Encoder/Decoder — with full Unicode support • URL Encoder/Decoder • Unix Timestamp Converter — convert between timestamp and readable date • UUID v4 Generator • Case Converter — UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case • Password Generator — customizable length and character sets • Hash Generator — SHA-1, SHA-256, SHA-512 • Color Converter — pick a color or convert between HEX, RGB, and HSL • Percentage Calculator • Regex Tester — live match results as you type Everything runs 100% locally in your browser using plain JavaScript. No network requests, no analytics, no permissions beyond the popup itself. For 120+ more free browser-based tools (calculators, converters, image tools, AI prompt libraries, and more), visit codekithub.com.