🀄 中文工具Chinese Tools
全角半角转换Full-width / Half-width Converter
在线全角转半角、半角转全角，快速修正中文输入中的全角字母、数字和标点。Convert between full-width and half-width characters (letters, digits, punctuation).
人民币大写转换RMB to Chinese Uppercase
在线将金额数字转换为人民币大写（壹贰叁…元角分），用于发票、支票和合同。Convert amounts to Chinese financial uppercase numerals (RMB) for invoices and cheques.
汉字转拼音Chinese to Pinyin Converter
在线汉字转拼音，支持声调符号、数字声调、无声调，智能识别多音字。Convert Chinese characters to pinyin with tone marks, tone numbers or no tones; handles polyphones.
拼音首字母提取Pinyin Initials Generator
提取汉字拼音首字母，常用于通讯录排序、简拼搜索和缩写。Extract the first letters of pinyin for Chinese text — for sorting, search and abbreviations.
简繁体转换Simplified ↔ Traditional Chinese Converter
在线简体中文与繁体中文互转，支持台湾正体、香港繁体及常用词汇转换（OpenCC 词库）。Convert Simplified ↔ Traditional Chinese (Taiwan, Hong Kong variants and phrases) using OpenCC.
身份证号码校验Chinese ID Card Validator
校验 18 位身份证号码是否有效（校验码），解析出生日期、性别、年龄和省份。本地运行不上传。Validate 18-digit Chinese ID numbers (checksum) and decode birth date, gender, age and province.
农历阳历转换Chinese Lunar Calendar Converter
公历（阳历）与农历互相转换，显示干支年、生肖和传统节日，支持闰月。Convert Gregorian dates to the Chinese lunar calendar and back, with stem-branch year and zodiac.
生肖星座查询Chinese Zodiac & Star Sign Calculator
输入出生日期，查询生肖（按农历春节划分）、星座、干支纪年和本命年。Find your Chinese zodiac animal (by lunar new year), Western star sign and stem-branch year.
数字转中文（大小写）Chinese Numerals Converter
阿拉伯数字与中文数字互相转换：1234 ↔ 一千二百三十四 ↔ 壹仟贰佰叁拾肆，支持万、亿和小数。Convert Arabic numbers to/from Chinese numerals (一千二百三十四 / 壹仟贰佰叁拾肆), incl. 万/亿 and decimals.
中英文标点转换Chinese ↔ English Punctuation Converter
中文全角标点与英文半角标点互相转换：，。！？“”（）【】等。Convert Chinese full-width punctuation to English half-width and back.
中文分词工具Chinese Word Segmentation
在线中文分词：把一段中文切分为词语，可选分隔符、过滤标点、统计词频。基于浏览器内置词典，离线运行。Split Chinese text into words with a custom separator, optional punctuation filter and word counts.
中文按拼音排序Sort Chinese by Pinyin
把中文名单或词语按拼音字母顺序排序，可按首字母分组，适合通讯录和名单整理。Sort Chinese names or words alphabetically by pinyin, optionally grouped by initial letter.
汉字转注音符号（ㄅㄆㄇ）Chinese to Zhuyin (Bopomofo) Converter
把汉字或拼音转换为注音符号（ㄅㄆㄇㄈ），台湾常用，带声调。Convert Chinese characters or pinyin to Zhuyin/Bopomofo (ㄅㄆㄇㄈ) with tone marks.
统一社会信用代码校验Unified Social Credit Code Validator
批量校验 18 位统一社会信用代码（企业/组织）的格式和校验位，并解析登记机关、机构类别和行政区划码。Validate China's 18-character Unified Social Credit Codes (checksum) and decode the registration type.
银行卡号校验（Luhn）Bank Card Number Validator (Luhn)
用 Luhn 算法批量校验银行卡/信用卡号是否有效，并识别卡组织（银联、Visa、Mastercard、AmEx、JCB）。本地运行。Check card numbers with the Luhn algorithm and detect the network (UnionPay, Visa, Mastercard, AmEx, JCB…).
手机号码校验/运营商识别China Mobile Number Validator
批量校验中国大陆手机号格式，识别中国移动、联通、电信、广电和虚拟运营商号段。Validate mainland China mobile numbers in bulk and identify the carrier from the prefix.
车牌号码归属地查询/校验China License Plate Lookup
识别中国车牌所属省份、是否省会城市（A 字头）、普通/新能源车牌类型，并校验格式。Identify the province of a Chinese license plate, plate type (regular / new energy) and check the format.
日期转中文大写（支票日期）Chinese Date in Characters (Cheque Format)
把日期转换为中文小写（二〇二六年十月十七日）和支票/票据用大写日期（贰零贰陆年零壹拾月壹拾柒日）。Write a date in Chinese numerals and in the financial-cheque uppercase format (with required 零 prefixes).
二十四节气日期查询24 Solar Terms Calendar
查询任意年份（2000–2099）二十四节气的具体日期和星期，显示下一个节气和倒计时。Dates of the 24 Chinese solar terms for any year 2000–2099, with the next term and countdown.
生辰八字/干支计算器Chinese BaZi (Four Pillars) Calculator
根据公历出生日期和时辰，按节气换月、立春换年，排出年柱、月柱、日柱、时柱（四柱八字）和五行。Year, month, day and hour pillars (BaZi / Four Pillars) with five elements, using solar terms for month and year changes.
中国节日倒计时Chinese Holidays Countdown
距离春节、元宵、清明、端午、七夕、中秋、国庆等中国传统节日和法定节日还有多少天，自动按农历计算。Days until Chinese New Year, Lantern, Qingming, Dragon Boat, Qixi, Mid-Autumn, National Day and more (lunar dates computed).
竖排文字生成器（古风）Vertical Chinese Text Converter
把横排中文转换为从右到左的竖排文字，可设置每列字数，适合古风排版和社交媒体。Turn horizontal Chinese text into traditional right-to-left vertical columns with a set column height.