WZ.FYI

User Guide

Learn how to use WZ.FYI developer tools

Quick Start

  1. Visit the homepage to browse 60 tools across 12 categories.
  2. Use the search bar, or press Ctrl/Cmd + K to open the command palette for fuzzy search and quick actions.
  3. Click any tool card to enter its page. Star the header to favorite frequently used tools.
  4. Try the AI chat page and 4 AI generative tools — describe what you need in natural language.
  5. All tools run in your browser — your data never leaves your device (except AI tools, which call the model API).

Categories

  • Encoding — URL / Base64 / Hash
  • Text — Regex / Markdown / Code Minify / Text Diff / AI Regex / AI Code Translator
  • Data — JSON / Data Converter / Random / UUID / Password / Encryption
  • Network — WebSocket / Ping / API Tester
  • Time — Timestamp / Date / World Clock / Workday Countdown / Time Exchange
  • Graphic — QR Code / Image Converter
  • Fun — Fortune / Lottery / Random Decision / Slacking Calculator
  • Design — Color / CSS Beautify / CSS Animation / Fortune Draw
  • Symbols — Emoji / Kaomoji / Special Chars / Daily Sign
  • Database — AI SQL / SQL Formatter / JSON↔SQL / Connection String
  • CLI — AI Cron / Shell Generator / Command Cheatsheet
  • Converter — Number Base / Unit / Encoding / Currency

Features

  • 60 tools across 12 categories — a one-stop developer toolbox
  • 100% client-side — your data never leaves your browser
  • AI integration: chat page + 4 natural-language generative tools
  • Four theme palettes: Jade / Ocean / Dusk / Mono
  • Bilingual support (Chinese / English)
  • Dark mode support
  • Command palette (Ctrl/Cmd + K) for instant navigation
  • Favorites and recent history (local storage)
  • Cockpit-style homepage with glassmorphism and particle effects
  • PWA support: installable and offline-ready
  • Responsive design for mobile and desktop
  • No registration required, completely free

Keyboard Shortcuts

Global shortcut:

  • Ctrl/Cmd + K — Open command palette (fuzzy search tools, quick actions)

Standard browser shortcuts inside tool pages:

  • Ctrl/Cmd + A — Select all input
  • Ctrl/Cmd + C — Copy selected text or result
  • Ctrl/Cmd + V — Paste from clipboard
  • ★ — Star icon on tool header to favorite / unfavorite