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

About

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