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Check password strength with entropy and crack time

Timezone lookup by city, city timezone API, Chinese city timezone, city UTC offset, 时区查询, IANA timezone name, city local time, DST aware timezone lookup, timezone by city name. Look up the IANA timezone, UTC offset, and current local time for a given city.

Chinese zodiac, 12 zodiac animals, shengxiao, 生肖, Chinese zodiac year, Year of the Rat Ox Tiger Rabbit Dragon Snake Horse Goat Monkey Rooster Dog Pig, 鼠牛虎兔龙蛇马羊猴鸡狗猪, Chinese astrology animal sign, lunar zodiac. Get the Chinese zodiac animal for any year, including element (gold/wood/water/fire/earth) and 60-year sexagenary name.

Minor Luck, 小运, Xiao Yun, Chinese astrology annual fortune before Da Yun starts, child fortune periods. Compute annual minor luck pillars for early life (typically childhood years before major luck begins).

Bagua direction mapping, 八卦方位, Eight Trigrams compass, Pre-Heaven Post-Heaven Bagua direction, 先天后天八卦方位, Qian Kun Zhen Xun Kan Li Gen Dui, Heaven Earth Thunder Wind Water Fire Mountain Lake direction. Get direction mapping for each of the 8 trigrams in both Pre-Heaven and Post-Heaven schemes.

Chinese age calculator, nominal age, xu sui, 虚岁, Chinese traditional age system, Asian age, lunar birthday, Chinese age vs Western age, how old in Chinese culture. Compute Chinese nominal age (xu sui), Western actual age, days lived, and lunar birthday from any birth date.

Six Lines divination, 六爻占卜, Liu Yao, King Wen six-line method, 文王六爻, coin oracle, Yi Jing six-line reading, changing lines analysis, 六爻断卦, Chinese coin divination with detailed interpretation. Cast a Six-Line divination with optional question and date, returns original + transformed hexagram, changing lines, and divinatory interpretation.

Credit card validator, Luhn algorithm check, card number verification, card type detector, Visa Mastercard Amex Discover Diners JCB UnionPay brand identifier, PAN validation. Validate credit card number via Luhn algorithm and identify card brand. Returns validity, card type, masked number. No payment processing, validation only.

Personal lucky colors, 个人幸运颜色, Chinese Feng Shui colors, 命理幸运色, BaZi lucky color, Five Elements color matching, 五行颜色, personal color Feng Shui, Chinese folk color recommendation. Determine personal lucky and unlucky colors from birth date based on Five Elements (Wu Xing) compatibility.

Resolve ENS names to Ethereum addresses and reverse resolve addresses to their primary ENS name on mainnet. ens resolve, ens lookup, ens name to address, reverse ens, ethereum name service, eth domain resolver

Chinese temple fortune slip divination (求签, 签文, 抽签). Draws a numbered qianzi slip from traditional Chinese temple oracles (Guanyin 观音, Guan Di 关帝, Mazu 妈祖), returns slip number, level (上签, 中签, 下签), classical poem, and interpretation. For Chinese folk oracle, temple lottery, divination, fortune queries.

PBKDF2 key derivation, password hashing, KDF, scrypt alternative, stretch password, derive encryption key, password-based key derivation, iterations, salt. Derive a cryptographic key from a password using PBKDF2 with configurable iterations, salt, and hash algorithm.

Chinese dog days, sanfu, 三伏, hottest period of year, Chinese coldest period, sanjiu, 三九, Chinese folk seasonal periods, Chinese medicine seasonal therapy, fu tian, 伏天, Chinese summer heat, Chinese winter cold. Exact dates for the three sanfu (dog day) periods and three sanjiu (coldest) periods of a given year. Used in traditional Chinese medicine seasonal therapy.

TCM seasonal health, 四季养生, Chinese medicine seasonal therapy, spring liver, summer heart, autumn lung, winter kidney, 春养肝 夏养心 秋养肺 冬养肾, season-specific health advice. Get TCM-recommended diet, lifestyle, and key organ for the current (or specified) season.

Chinese daily insight, today in Chinese calendar, 今日宜忌, today auspicious activities, today gan-zhi, today festival, today solar term. Comprehensive today summary: lunar date, gan-zhi pillars, zodiac, yi/ji activities, current festival if any, current solar term, dog days/coldest period flag. One-call snapshot of Chinese calendar context for today (or any date).

BaZi Four Pillars, 八字四柱, Chinese astrology birth chart, 生辰八字, heavenly stems earthly branches, 天干地支, year-month-day-hour pillars, Chinese natal chart, Ba Zi calculator, Day Master, 日主. Compute Four Pillars of Destiny (year/month/day/hour gan-zhi) from any Western birth datetime. Foundation of Chinese astrology analysis.

Ten Gods, 十神, Shi Shen, BaZi ten relationship gods, 比劫食伤财官印, Friend Sibling Wealth Officer Resource Output. Compute the Ten Gods relationships in a BaZi chart (relative to Day Master). Core of Chinese astrology analysis.

pdf metadata, pdf info, pdf properties, pdf author, pdf title, pdf creation date, pdf page count, pdf version, pdf creator, pdf producer, pdf document info. Extract PDF metadata only, no body parsing, fast and cheap. Returns title, author, subject, creator, producer, creation and modification dates, page count, PDF version. For AI agents indexing PDF catalogs, file validation, document organization workflows.

Search recent news articles via Google News. Returns articles with title, source, link, snippet, published_at. Use ?q=YOUR_QUERY and lang=en and limit=10. Built for news monitoring agents, trend analysis, and current events research, news api, news search, latest news headlines

Liu Ren divination, 六壬, Da Liu Ren, 大六壬, Heaven Earth oracle, 12 heavenly generals, 4 lessons 3 transmissions, 四课三传, Chinese astrological divination method. Compute the Da Liu Ren divination chart (Heaven plate, Earth plate, 4 lessons, 3 transmissions) for given datetime.

Lucky bed direction, 床位方向, Feng Shui bed placement, bedroom direction, sleeping direction, where to place bed, lucky head direction, 卧床方向, Chinese bedroom layout. Calculate the optimal direction to place a bed (head direction) for a person, based on their kua number using Ba Zhai (Eight Mansions) method.

Zodiac compatibility, Chinese zodiac matching, 生肖配对, Chinese astrology compatibility, 12 animal signs matching, 属相相配, Chinese horoscope compatibility, zodiac match score, Chinese zodiac love compatibility. Compute compatibility score and analysis between two Chinese zodiac animals (rat/ox/tiger/...).

Relative time formatter, time ago, X minutes ago, in 2 hours, human readable time, fuzzy time, relative datetime, social media timestamps. Format a datetime as relative to now or another base (e.g. '3 hours ago', 'in 2 days').

Complete I Ching analysis, full hexagram reading, 易经全卦分析, hexagram with all relations changing lines yao text bagua trigrams complete in one call, Yi Jing deep reading. Comprehensive single-call analysis: hexagram + all six line texts + nuclear/inverse/opposite hexagrams + Ba Gua trigrams + judgment + image.