मुफ़्त टूल जो बस काम करते हैं
नीचे दिए गए सभी टूल पूरी तरह आपके ब्राउज़र में चलते हैं — कोई खाता नहीं, कोई अपलोड नहीं, कोई ट्रैकिंग नहीं। शुरू करने के लिए कोई श्रेणी चुनें।
🕐 समय और तिथियाँ
Age Calculator
Free age calculator. Enter your date of birth to see your exact age in years, months and days, your total days lived, and a countdown to your next birthday.
Countdown Timer
Free countdown timer. Enter any future date and see exactly how many days, hours, minutes and seconds remain. Works in your browser, no signup needed.
Day of the Week
Free day of week calculator. Find out what day of the week any date falls on. Check birthdays, historical dates, or any future date instantly.
Days Between Dates
Free days between dates calculator. Find exactly how many days, weeks, and months are between any two dates. Works instantly in your browser.
🔢 गणित
Area Calculator
Free area calculator. Calculate the area of rectangles, circles, triangles, squares, and trapezoids. Enter dimensions and get the area instantly in your browser.
Aspect Ratio Calculator
Free aspect ratio calculator. Enter width and height to get the simplified ratio (e.g. 1920×1080 = 16:9) and scale to any new size instantly.
Online Basic Calculator
Free online calculator. Perform addition, subtraction, multiplication, and division. A clean, simple, full-featured basic calculator that works entirely in your browser.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal instantly. Free online base converter with instant results.
प्रतिशत कैलकुलेटर
मुफ़्त प्रतिशत कैलकुलेटर। किसी संख्या का प्रतिशत निकालें, एक मान दूसरे का कितने प्रतिशत है यह जानें, और प्रतिशत वृद्धि या कमी तुरंत निकालें।
💰 वित्त
50/30/20 Budget Rule Calculator
Free 50/30/20 budget rule calculator. Enter your monthly income to instantly see how much to allocate to needs, wants, and savings.
Compound Interest Calculator
Free compound interest calculator. Enter a principal, interest rate, and time period to see how compound interest grows your investment. Monthly, quarterly, or annual compounding.
Currency Converter
Free currency converter with approximate exchange rates. Convert USD, EUR, GBP, JPY, BRL, and 30+ more currencies instantly in your browser.
Discount Calculator
Free discount calculator. Enter the original price and the discount percentage to instantly see the final sale price and exactly how much you save.
🎲 रैंडम चयन
📝 टेक्स्ट और शब्द
List Alphabetizer
Free online list alphabetizer. Sort any list A-Z, Z-A, by last word, or remove duplicates instantly. Paste your list and click sort.
Backwards Text Generator
Free backwards text generator. Instantly reverse the letters, the word order or the line order of any text in your browser, then copy the result.
Binary Translator
Free binary translator. Convert any text to binary code and decode binary back to text, with full Unicode support, instantly and privately in your browser.
Case Converter
Free online case converter. Instantly change text to UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg case and small caps in your browser.
Character Counter
Free character counter. Count characters (with and without spaces), words, sentences, paragraphs, and lines in any text. Instant, no signup needed.
शब्द गणक
मुफ़्त लाइव शब्द गणक। पाठ चिपकाएँ या टाइप करें और अपने ब्राउज़र में तुरंत शब्द, वर्ण, वाक्य, अनुच्छेद और अनुमानित पढ़ने का समय गिनें।
❤️ स्वास्थ्य और शरीर
Blood Type Compatibility Checker
Free blood type compatibility checker. Select your ABO/Rh blood type to instantly see who you can donate blood to and who you can receive blood from.
BMI कैलकुलेटर
मुफ़्त BMI कैलकुलेटर। मीट्रिक या इम्पीरियल इकाइयों में अपनी ऊँचाई और वज़न डालें और अपने ब्राउज़र में तुरंत अपना बॉडी मास इंडेक्स और श्रेणी पाएँ।
BMR Calculator
Free BMR calculator. Calculate your Basal Metabolic Rate — the calories your body burns at rest per day. Uses the Mifflin-St Jeor equation.
Food Calorie Calculator
Free calorie calculator. Look up approximate calories per 100g for common foods. Great for diet tracking and meal planning.