What will your baby look like?
你的宝宝会长什么样？
Predict your baby's eye color, hair, height and traits from yours — plus due dates, growth percentiles, feeding plans, sleep schedules and beautiful name ideas. Everything runs in your browser. Nothing is uploaded. Ever.
用你们的特征预测宝宝的瞳色、发色、身高与遗传小特点；还有预产期、生长曲线、喂养计划、睡眠作息和好听的宝宝名字。全部在浏览器本地运行，不上传任何数据。
Three steps, zero friction
三步即可，零门槛
Built the way viral baby tools should be: instant, delightful, and shareable.
按热门宝宝工具应有的样子打造：即时、有趣、随手可分享。
Pick a predictor
选择想预测的内容
Eye color, height, traits, due date, growth, names — 20 free tools, all client-side.
瞳色、身高、遗传特点、预产期、生长曲线、宝宝名字——20 个免费工具，全部本地运行。
Answer 2 questions
回答几个简单问题
Most tools need only your (or your parents') traits. Results appear instantly.
大部分工具只需要你和家人的几个特征，结果即时出现。
Share the moment
分享这份期待
Download a pretty result card or share to social — and star it to find it again later.
下载精美结果卡片或一键分享到社交平台，点亮星标随时找回。
Start with the favorites
从大家最爱用的开始
The most-loved tools from expecting parents around the world.
全球准父母最常用、最喜爱的工具。
Predictors遗传预测Eye Color Predictor
宝宝瞳色预测器
See the probability of brown, green or blue eyes from your two.
根据父母瞳色计算宝宝棕色、绿色、蓝色眼睛的概率。
Open tool打开工具
Pregnancy孕期计算Due Date Calculator
预产期计算器
Naegele's rule, conception-based, or IVF transfer — pick your method.
末次月经法、受孕日法、试管婴儿移植法，任选一种。
Open tool打开工具
Fun趣味测试Chinese Gender Chart
清宫生男生女表
The legendary Qing palace chart (清宫表) — fun, not science.
传说中的清宫表——图个乐，不算科学。
Open tool打开工具
Predictors遗传预测Height Predictor
宝宝身高预测器
Mid-parental target height with a realistic range — for boys & girls.
基于双亲身高中位公式，给出合理的预测区间。
Open tool打开工具
Baby Care育儿工具Growth Percentile
生长曲线百分位
Where does your baby sit on the WHO-adapted growth reference?
对照世界卫生组织参考曲线，看看宝宝处于什么百分位。
Open tool打开工具
Names起名工具English Name Generator
英文名生成器
Classic, modern, unique or nature-inspired names with meanings.
经典、现代、独特或自然风英文名，附寓意解析。
Open tool打开工具
Baby Care育儿工具Sleep Schedule
宝宝睡眠时间表
Age-by-age sleep needs and a suggested bedtime from wake time.
按月龄的睡眠需求，以及由起床时间反推的合理入睡时间。
Open tool打开工具
Baby Care育儿工具Newborn Checklist
新生儿用品清单
A 50-item checklist with progress saved on your device.
50 项新生儿清单，进度自动保存在本地设备。
Open tool打开工具
No account. No upload. No tracking of your baby's data.
不注册、不上传、不收集宝宝数据。
Every calculator runs in your browser with plain JavaScript. Your inputs never reach a server — which means there is nothing for us (or anyone else) to collect. That's how a family tool should work.
所有计算都在浏览器本地用原生 JavaScript 完成，输入的数据永远不会到达服务器——我们（和任何人都）没有东西可收集。家庭工具就应该是这样。
Read our privacy policy 阅读隐私政策Learn it, then use it
先看懂，再使用
Fifteen deep, original guides — tutorials, science and real-life scenarios.
15 篇原创深度指南：教程、科学原理与真实场景。
Guide指南Eye Color Predictor: How It Works & How Accurate Is It?
瞳色预测器：工作原理与准确率
The genetics behind brown, green and blue eyes — and why your baby's eyes may keep changing.
棕色、绿色、蓝色眼睛背后的遗传学——以及为什么宝宝的眼睛会一直变。
Read阅读Guide指南Due Date Calculator Explained: 3 Methods & Their Accuracy
预产期计算器详解：3 种方法与准确率
LMP, conception date, IVF transfer — how each method works and why dates move.
末次月经、受孕日、试管移植三种算法的工作原理，以及预产期为什么会变。
Read阅读Guide指南Chinese Gender Chart: History, How to Use & Accuracy
清宫表：历史由来、使用方法与准确性
The 300-year-old 清宫表 story, the lunar-age method, and what science says.
清宫表三百年的来历、虚岁与农历月份的算法，以及科学怎么看它。
Read阅读Free forever. Unlimited use. Yours to keep.
永久免费、无限使用、数据归你。
Premium features may arrive later — but every core tool stays free. Star your favorites to build a quick-access list.
未来可能推出会员增值功能，但所有核心工具保持免费。点亮星标收藏常用工具。
Start predicting 开始预测