热门工具
精选高频使用的实用工具，快速解决日常问题。
Blood Pressure Calculator
Online blood pressure calculator, quickly assesses adult and child blood pressure status, providing health reference.
ASCII编码解码
在线ASCII编码解码器，支持文本与ASCII码互转，快速便捷。
Any Base Converter
Online arbitrary base conversion, supporting mutual conversion between binary, octal, decimal, and hexadecimal.
DIG查询
在线DIG查询工具，快速查询域名DNS记录信息，支持A、AAAA、NS、CNAME、MX等多种记录类型。
车辆年检计算器
根据车辆类型、注册日期等，快速计算下次车辆年检日期及周期。
等比数列生成器
快速生成等比数列，输入起始数字、公比和生成数量，即可获得数列结果。
AAEncode Encode/Decode
AAEncode encode/decode tool, enabling two-way conversion between character text and AAEncode obfuscated code.
UU Encode Decode
Online UU encoding and decoding tool, quickly convert data and UU encoding, convenient and safe.
File Encoding Detection
Online file encoding detection tool, quickly identifies character sets of text files, solves garbled text issues, and supports multiple languages.
B纸张标准尺寸查询
查询B系列纸张标准尺寸，涵盖B0到B10，提供毫米和英寸对照表与图示。
Dog Age Calculator
Quickly calculate dog age, convert it to human age, and understand your beloved dog's growth stage.
Sector Area Calculator
Online sector area calculator, quickly and accurately calculates sector area based on the sector's angle, radian, and radius.
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