User Guide

Learn how to use WZ.FYI developer tools

Quick Start

  1. Visit the homepage to browse all 36+ tools organized by category.
  2. Use the search bar to find tools by name or keyword.
  3. Click any tool card to enter the tool page.
  4. All tools run in your browser — no data is sent to any server.

Categories

  • Encoding — URL / Base64 / Hash
  • Text — Regex / Markdown / Code Minify / Text Diff
  • Data — JSON / Data Converter / Random / UUID / Password / Encryption
  • Network — WebSocket / Ping / API Tester
  • Time — Timestamp / Date / World Clock / Countdown / Time Exchange
  • Graphic — QR Code / Image Converter
  • Fun — Fortune / Lottery / Random Decision / Slacking Calculator
  • Design — Color / CSS Beautify / CSS Animation
  • Symbols — Emoji / Kaomoji / Special Chars / Daily Sign

Features

  • 100% client-side — your data never leaves your browser
  • Bilingual support (Chinese / English)
  • Dark mode support
  • Recent history tracking (local storage)
  • Responsive design for mobile and desktop
  • No registration required, completely free

Keyboard Shortcuts

Most tools support standard browser shortcuts:

  • Ctrl/Cmd + A — Select all input
  • Ctrl/Cmd + C — Copy selected text or result
  • Ctrl/Cmd + V — Paste from clipboard