Every baby tool you need, in one place

From your first positive test to your baby's first year — due date, ovulation, contraction timer, growth charts, white noise and a cry analyzer. Free, private, and right in your browser.

⚡ Instant — no waiting 🔒 Private — nothing leaves your device 💯 Free to use

Choose a tool to get started

Pick any tool below. No sign-up required — everything works in your browser.

🤰 Pregnancy & planning

Due Date Calculator Find your estimated due date from your last period, conception or IVF transfer. Ovulation Calculator See your fertile window and most likely ovulation day from your cycle. Pregnancy Week-by-Week Know exactly how many weeks along you are and your baby's size this week. Conception Date Calculator Estimate when you likely conceived from your due date or last period. Pregnancy Weight Gain Get your recommended weight-gain range based on your pre-pregnancy BMI. hCG Calculator Check your hCG doubling time between two beta blood tests. Chinese Gender Predictor A fun guess at boy or girl using the Chinese lunar gender chart. Baby Name Combiner Blend both parents' names into unique baby name ideas.

⏱️ Labor & tracking

Contraction Timer Time contractions and see when the 5-1-1 rule says it's time to go. Kick Counter Count your baby's movements and track how long 10 kicks take.

👶 Newborn & baby care

Feeding Calculator Estimate how much milk your baby needs each day and per feeding. Growth Percentile See your baby's weight, height and head percentiles on WHO charts. Baby Sleep Schedule Get age-based wake windows, nap counts and a sample daily schedule. Vaccination Schedule Turn your baby's birth date into a calendar of recommended vaccines. Baby Cost Calculator Estimate the first-year cost of your baby and plan your budget.

🔊 Soothe & understand

Cry Analyzer Listen to your baby's cry and get an idea of what they might need. White Noise & Sleep Sounds Soothing white, pink and brown noise with a built-in sleep timer.

Why parents use Baby Tools

🔒Private by designCalculations, timers and even your baby's cry are processed entirely on your device. Nothing is uploaded.
🍼Made for real lifeTime contractions at 3am, count kicks on the couch, or check a growth percentile in seconds — on any device.
📱Works everywhereUse it on your phone, tablet or computer. Add it to your home screen and many tools work offline.

Frequently Asked Questions

Are these baby tools really free?

Yes. Every tool is free to use. A few have limits, such as daily cry analyses, mixing sounds, longer sleep timers and CSV export. To lift them, pay once to unlock the tool you have open until you close the page, or go Premium.

Is my data private?

Yes. All tools run in your browser. Your due date, your tracking history and your baby's cry are never sent to a server.

Does the cry analyzer upload audio?

No. The cry analyzer uses your microphone only on your device to measure the sound. No audio is recorded, saved or uploaded.

Are these tools medical advice?

No. They are for general information and peace of mind. Always talk to your doctor or midwife about your pregnancy and baby.

Do I need an account?

No account is needed to use the tools. You only go through checkout if you choose to pay once or go Premium.

Can I use it on my phone?

Yes. Baby Tools works on any modern browser and can be installed as an app on your phone.