Free tools for finance, health, wedding planning, fitness, pets, kitchen & more. Instant results, zero sign-up.
Compress LLM prompts to reduce token usage by 20-50%. Count tokens across 25+ models.
Estimate monthly LLM API costs across GPT-4o, Claude, Gemini, Llama & more.
Calculate monthly payments, total interest, and check affordability ratios.
Calculate compound interest with monthly contributions, year-by-year growth table & effective annual rate.
Plan your path to Financial Independence & Early Retirement with compound growth.
Calculate time to reach your savings goal or monthly amount needed. Two planning modes.
Plan for college costs with 5% inflation projections. See funding gap & recommended savings.
Calculate daily calories, BMR, and optimal macronutrient split for your goals.
Calculate Body Mass Index with lb/kg & ft-in/cm support. See category, healthy weight range & color-coded results.
Find your minimum hourly rate based on salary goals, taxes & business expenses.
Measure social media engagement and compare against industry benchmarks.
Calculate monthly burn, cash runway, and when you need to raise or break even.
Calculate return on investment, CAGR, and compare against S&P 500 benchmarks.
Count business days between dates, excluding weekends and US holidays.
Estimate your annual CO₂ emissions from energy, transport, flights & diet.
Find your ideal bedtime or wake time based on 90-minute sleep cycles.
Calculate tip amount, grand total, and per-person amount instantly.
Find exact age in years, months, days, and hours for any target date.
Solve % of a number, what percent, and percent change in one tool.
Countdown in days, weeks, and months to any future date.
Split bills evenly or with unequal custom shares.
See what money from one year is worth in another using CPI.
Instantly find your public IP address, location, ISP, and connection details.
Unscramble letters to find all valid words. For Scrabble, Words With Friends & crosswords.
Calculate monthly car payments, total interest, and compare loan terms.
Estimate date night costs by city, dinner type, activities & transport. Compare to national average.
Plan your dream wedding budget by category. Regional adjustments, seasonal pricing & money-saving tips.
How long have you been together? Get exact duration, gift ideas, fun stats & next milestone countdown.
Calculate pregnancy due date from LMP, conception, or IVF. Track milestones and gestational age.
Fun name-based compatibility score with traits & lucky date ideas. For entertainment only!
Estimate honeymoon cost by destination, nights, and travel style. Full breakdown for flights, hotels & activities.
Generate a complete hour-by-hour wedding day schedule from getting ready to last dance.
Track RSVPs, dietary restrictions, and wedding party sides. Export to CSV. No sign-up needed.
Find out how much to spend on an engagement ring by salary, style, metal, and stone. Forget the 2-month rule.
Estimate total cost for bridesmaids and groomsmen — attire, hair, makeup, flowers, and gifts by side.
Count words in your wedding vows and see how long they take to read. Compare to famous vows.
Calculate exact age difference, check the "half your age + 7" rule, see famous couples with similar gaps.
Convert length, weight, temperature, volume, speed, and area units instantly.
Convert times between zones. World clock with 30+ cities.
Calculate your dog's real age in human years using the modern size-based formula. Not the old 7x rule!
Convert your cat's age to human years. Accounts for indoor vs outdoor lifestyle differences.
Is your dog or cat a healthy weight? Body condition assessment with personalized recommendations.
Calculate daily calorie needs and food portions for your dog or cat. Based on the RER formula.
Compare your height to averages, NBA players, or custom. Visual bars and percentile ranking.
Perfect rice every time. Exact ratios, cooking times & yield for 7 rice types and 3 methods.
Find the perfect nap length and wake-up time. Power nap, full nap, or complete sleep cycle.
See when caffeine clears your system. Find your safe last-coffee time for better sleep.
Calculate your daily water intake based on weight, activity, and climate. In oz, ml, glasses, and bottles.
Calculate calories burned for 20+ activities using MET values. See food equivalents and weekly projections.
Plan your 16:8, 18:6, 20:4, or OMAD eating window. See what happens to your body at each fasting stage.
Are you a Lion, Bear, Wolf, or Dolphin? Discover your sleep type and optimize your schedule.
Estimate your ovulation date, fertile window, and next period. 3-month cycle calendar.
Compare total cost of renting vs buying over 5-30 years. Find your breakeven year.
Pay off debt faster with avalanche or snowball strategy. See total interest saved and payoff timeline.
Calculate your net worth, see your US percentile, and track assets vs liabilities.
Plan your monthly budget with the 50/30/20 rule. Compare actual vs ideal spending.
Find your market salary range, negotiation anchor, and BATNA. Get script snippets.
Convert annual salary to hourly rate or vice versa. See daily, weekly, monthly, and effective rates.
Scale any recipe up or down to any number of servings. Smart fraction display.
Convert between tsp, tbsp, cups, ml, grams, oz, lb, and more. Kitchen cheat sheet included.
Calculate your current grade and what you need on the final exam. Weighted or unweighted.
Calculate semester and cumulative GPA with 4.0 or 5.0 scale. Enter courses by grade and credits.
Estimate how long to read any text or article. Supports slow, average, fast, and speed reader.
True first-year, annual, and 10-year cost of adopting a dog, cat, rabbit, or bird.
Plan your weekly meal prep: total meals, grocery budget, prep time, and container count.
How far should you walk your dog? Based on size, age, and energy level. Plus your calories burned.