实用工具
日常实用工具指南：计算器、单位与汇率换算、日期时间工具、文本处理等。短小精悍，一篇解决一个问题。
加载中...
日常实用工具指南：计算器、单位与汇率换算、日期时间工具、文本处理等。短小精悍，一篇解决一个问题。
加载中...
Format numbers with commas, decimals, currencies, and percentages using MagicTools Number Formatter. Ideal for financial analysis, reporting, and any data presentation requiring professional number formatting.
A free online random number generator that produces one or multiple random numbers in any range. Supports unique mode, custom step increments, and bulk generation for all use cases.
A free online QR code generator and decoder that supports custom logos, emoji, and colors. Decode QR codes from images or camera. No sign-up, no watermark, instant results.
A free IP address lookup tool that shows your current IP address along with geolocation, ISP, timezone, and network details — no sign-up required, results in seconds.
A free online UUID generator that produces cryptographically random RFC 4122 v4 UUIDs in bulk. Supports hyphenated, compact, braces, and URN formats with uppercase or lowercase output.
A free online JWT decoder that parses JSON Web Tokens and displays the Header, Payload, and Signature in a readable format. Shows expiry status and standard claims. 100% local processing.
A free online hash generator that computes MD5, SHA-1, SHA-256, and SHA-512 checksums from any text input. Fully client-side — no data ever leaves your browser.
A free online password generator that creates strong, random passwords with custom length and character options. 100% local processing — your passwords never leave your browser.
Transform your text between uppercase, lowercase, title case, camelCase, snake_case, and more with the free MagicTools Text Case Converter—no sign-up required.
Free online stopwatch with millisecond precision, lap tracking, and keyboard shortcuts. No installation needed. Works offline, perfect for timing events, workouts, and activities.
Calculate aspect ratios instantly. Scale images and videos to perfect dimensions. Get CSS snippets for responsive design. 12 preset ratios included. Free and easy.
Pick colors and convert between HEX, RGB, and HSL formats instantly. Copy any format with one click. Perfect for designers, developers, and creative professionals.