DevDock — JSON Formatter, JWT Decoder, Base64, Dev Tools

Essential developer utilities in one click. Privacy-first, offline, no tracking.

DevDock is a fast, offline developer toolkit that lives in Chrome's side panel — always one click away. 🔧 14 TOOLS INCLUDED FORMATTERS & VALIDATORS • JSON Formatter — Pretty-print and validate JSON instantly • JWT Decoder — Decode and inspect JWT tokens without leaving the browser • Regex Tester — Test regular expressions with live match highlighting • HTML Entities — Encode/decode HTML special characters CONVERTERS • Base64 — Encode and decode Base64 strings • URL Encoder — Encode/decode URL components • Case Converter — Transform text between camelCase, snake_case, PascalCase, KEBAB-CASE, and more • Color Converter — Convert between HEX, RGB, and HSL color formats • Timestamp Converter — Convert Unix timestamps to human-readable dates and back • Timezone Converter — Convert times between 29 IANA timezones with a World Clock GENERATORS • UUID Generator — Generate v4 UUIDs in bulk • Hash Generator — Compute MD5, SHA-1, SHA-256, SHA-512 hashes • Lorem Ipsum — Generate placeholder text by word, sentence, or paragraph count DIFF • Diff Checker — Side-by-side text comparison with line-level highlighting ✅ WHY DEVDOCK • Works 100% offline — no data ever leaves your browser • No tracking, no analytics, no accounts • Instant side panel access — no new tabs needed • Keyboard shortcut to toggle: Ctrl+Shift+D (Windows) / ⌃⇧D (Mac) • Smart search across all tools with Ctrl+K • Light and dark mode support • Minimal footprint — no unnecessary permissions