All Tools

🧮 Percentage Calculator Find percentages, increases, and decreases instantly. 🏦 EMI Calculator Calculate your monthly loan EMI from principal, rate, and tenure. 💸 Loan Prepayment Savings Calculator See how much time and interest you'd save by paying extra toward your loan principal every month — a natural companion to the EMI Calculator. 📈 Simple & Compound Interest Calculator Compare simple and compound interest on any principal. 🏷️ Discount Calculator Work out sale prices and savings from a discount percentage. 💰 Tip Calculator Split the bill and calculate tips in seconds. 📊 SIP Calculator Project the future value of your monthly SIP investment. 📉 Inflation / Purchasing Power Calculator See what your money will really be worth after inflation, and how much you would need in the future to match today's purchasing power. 🪙 Rule of 72 (Doubling Time) Calculator Find how many years it takes to double your money at a given rate, or the rate needed to double it in a target time. 💼 Financial Calculator Time value of money, loan payoff, and net worth — three calculators in one. 🎯 Break-Even Point Calculator Find how many units you need to sell to cover your costs, from fixed costs, variable cost, and price. 🎁 Gratuity Calculator Calculate gratuity payable under India's Payment of Gratuity Act, from basic salary, DA, and years of service. 🏖️ Leave Encashment Calculator Calculate your unused leave payout at retirement or resignation, and how much of it is tax-exempt under Section 10(10AA). 💵 In-Hand Salary (CTC to Take-Home) Calculator Break your annual CTC into Basic, HRA, allowances, and deductions to find your actual monthly take-home pay. 🏡 Buy vs. Rent Calculator Compare the long-term financial outcome of buying a home versus renting and investing the difference, over a chosen time horizon. 🏠 House/Loan Affordability Calculator Find how much home loan and property price you can actually afford, based on your income and existing debt obligations. 🪜 Real Raise Calculator See what your salary raise is actually worth after inflation — your real, purchasing-power-adjusted raise, not just the headline percentage. 📺 Subscription Cost Tracker List your subscriptions and their prices to get an instant monthly and annual total — nothing is saved, just add up as you type. ☕ Daily Habit Cost Calculator See what a small daily habit — coffee, cigarettes, takeout — really costs over a year or a decade, and what you would have if you invested it instead. 🚗 Commute Cost & Time Calculator Find out what your commute actually costs and how many hours a year it eats, from distance or fare, commute time, and how many days a week you travel. 🧾 Split Bill / Group Expense Calculator Add everyone in the group and each expense with who paid and who shares it — see exactly who owes whom to settle up. ⏱️ Freelance Hourly Rate Calculator Work out what to charge per hour from your income goal, business costs, working hours, and non-billable time. ⚖️ BMI Calculator Check your Body Mass Index from height and weight. 🔥 Calorie / BMR Calculator Estimate your daily calorie needs and basal metabolic rate. 🧍 Ideal Weight Calculator Estimate a healthy weight range for your height. 💪 Body Fat % Calculator Estimate body fat percentage from height, neck, and waist (U.S. Navy tape-measure method). 😴 Sleep Cycle Calculator Find the best time to sleep or wake up, based on 90-minute sleep cycles. 💓 Heart Rate Training Zone Calculator Estimate your maximum heart rate and see your five cardio training zones. 💧 Water Intake Calculator Estimate your recommended daily water intake from weight and activity level. 🫁 Breathing Exercise Timer A guided breathing timer with an animated pacing orb — Box Breathing by default, fully adjustable for any inhale/hold/exhale/pause pattern. 👶 Pregnancy Due Date Calculator Estimate your due date from your last period or conception date. 🌸 Ovulation & Fertile Window Calculator Estimate your next ovulation date and fertile window from your last period and average cycle length. 🌅 Sunrise/Sunset & Golden Hour Calculator Find sunrise, sunset, solar noon, and the golden and blue hours for any location and date — useful for planning outdoor photography. 🌙 Moon Phase Calculator Find the moon phase for any date, with a live graphical rendering of the moon drawn entirely in CSS and JavaScript. 🏃 Running Pace Calculator Calculate running pace, finish time, or distance — enter any two and get the third, in min/km or min/mile. 🎂 Age Calculator Calculate exact age in years, months, and days. 🧩 Life in Weeks Calculator Visualize your life as a grid of weeks lived vs. remaining, based on your date of birth and life expectancy — inspired by Tim Urban's "Your Life in Weeks." 📱 Screen Time Cost Calculator See how your daily phone/screen time adds up over the years — in total days, waking days, full-time work years, and percent of your remaining life. 📅 Date Difference Calculator Find the exact difference between two dates and times — years, months, weeks, days, hours, minutes, seconds. 🗓️ Working Days Calculator Count business days between two dates, excluding weekends and optional holidays. 📆 Day of the Week Finder Find out what day of the week any date was or will be. ⏰ Timesheet / Hours Worked Calculator Enter multiple clock-in/out pairs to get total hours worked, with optional pay estimate. 🕐 Overtime Pay Calculator Calculate regular, overtime, and double-time pay from your hourly rate and hours worked, with a configurable overtime threshold and multiplier. 🚪 Notice Period Buyout & Last Working Day Calculator Find your last working day from your resignation date and notice period, plus the buyout cost if you leave early. ⏳ Countdown Timer Count down to any date and time, live. ⏲️ Timer Set a countdown timer in hours, minutes, and seconds, with quick presets like 5 or 30 minutes. 🌐 Time Zone Converter Convert a time between two time zones instantly. 🧭 Multi-Timezone Meeting Planner Find overlapping working hours across three or more time zones at once. 📝 Word & Character Counter Count words, characters, and sentences as you type. 💻 Code Formatter Auto-indent code by curly-brace nesting, strip blank lines, and flag unbalanced braces. 🔤 Text Case Converter Convert text to upper, lower, title, or sentence case. 🧹 Whitespace Cleaner Strip extra spaces, tabs, and blank lines from text. 📡 Morse Code Translator Convert text to Morse code and back, live — plus play it as actual beeps. 🔎 Keyword Density Checker Paste content and see word and phrase frequency with density percentages. 🔠 Acronym Generator Turn any phrase into an acronym instantly, with a letter-by-letter breakdown. 📖 Reading Time / Speaking Time Estimator Paste text and get estimated silent reading time and spoken delivery time. 🔍 Text Diff Checker Compare two versions of text and see exactly what changed, word by word. 🔗 LinkedIn Post Editor Write a LinkedIn post with a live character count, Unicode bold/italic, emoji, and bullet points. 🔐 Password Generator & Strength Checker Generate strong, random passwords with custom rules, or check the strength of a password you already have. 🎸 Chord Sheet Transposer Paste a chord chart, shift it up or down by semitones, and get it re-rendered in the new key, with alignment preserved and visual guitar chord diagrams. 📄 Lorem Ipsum Generator Generate placeholder Lorem Ipsum text as paragraphs, headings, or bullet points — pick a format and how many you need. 📐 Unit Converter Convert length, weight, temperature, and more. 💾 File Size / Data Storage Converter Convert between bits, bytes, KB, MB, GB, TB, and PB — decimal or binary units. 🎨 Color Converter Convert colors between HEX, RGB, and HSL live, with a swatch preview. 💱 Currency Converter Convert between world currencies with live exchange rates. 🏛️ Roman Numeral Converter Convert numbers to Roman numerals and back, live — supports the standard range from 1 to 3999. 🔡 Number to Words Converter Spell out any number in words for cheques and invoices, with a toggle between Indian (Lakh/Crore) and International (Million/Billion) numbering systems. 👟 Clothing & Shoe Size Converter Convert clothing and shoe sizes between US, UK, EU, and India — a standard reference conversion for shopping internationally. 🥄 Cooking Measurement Converter Convert cups, tablespoons, teaspoons, milliliters, and grams for recipes — plus ingredient-specific cup-to-gram conversions for baking. 🔢 Tally Counter Set a starting count and tap down to zero — for reps, chanting, or countdowns. 🎲 Random List Picker / Shuffler Paste a list, then pick random winners, shuffle the order, or split it into teams. 🔲 QR Code Generator Turn any text or URL into a downloadable QR code, generated fully offline in your browser. 🎰 Random Number Generator Generate a random whole number between a minimum and maximum you choose. ⚅ Dice Roller Roll animated dice — D4 through D20 — with a real tumbling roll animation. 🧑‍💻 Dummy/Fake Data Generator Generate random fake names, emails, phone numbers, and addresses for testing forms and databases. ⌨️ Typing Speed Test (WPM) Test your typing speed and accuracy against a random passage — live words-per-minute and accuracy, timed entirely in your browser. 🛜 What's My IP / Browser Info See your IP address, browser, operating system, screen size, and other connection details — detected entirely from your own request, no third-party lookups. 🪣 Paint Calculator Find out how much paint you need for a room from its dimensions, number of coats, and doors/windows — in liters or gallons. 🧱 Flooring/Tile Calculator Find out how many tiles and boxes you need for a room, from its area, tile size, and a wastage allowance for cuts and breakage. ⚡ Voltage Drop / Wire Gauge Calculator Check voltage drop percentage for a wire run from gauge, material, length, and load current, with an NEC-style pass/fail check and a suggested minimum gauge. 🪵 Board Feet / Lumber Calculator Calculate board feet from thickness, width, and length, and build a running cut list for a lumber project with an optional cost estimate. 🏗️ Concrete/Slab Volume Calculator Find out how much concrete you need for a slab, footing, or column pour, in cubic yards for ready-mix or bags for a DIY pour. 📷 Depth of Field Calculator Find your near and far focus limits from aperture, focal length, sensor size, and subject distance, with a visual in-focus zone diagram. 📸 Exposure Equivalent Calculator Change your aperture, shutter speed, or ISO and find the matching adjustment to the other two settings for the same exposure. 🥁 Tap Tempo / BPM Finder Tap along to a beat to find its BPM, with a tempo marking and matching delay times for music production. 📝 Notepad A single scratch note that autosaves in your browser — with cut, clear, and undo. 🖼️ Image Format Converter Convert images between JPG, PNG, and WebP — entirely in your browser, nothing uploaded. 🗜️ Image Compressor Shrink JPG and WebP file sizes with a live quality slider — entirely in your browser, nothing uploaded. 📏 Image Resizer Resize images by width and height, with an aspect-ratio lock — entirely in your browser, nothing uploaded. 🎓 GPA / CGPA Calculator Calculate your semester GPA from course grades and credit hours, or your cumulative CGPA from semester GPAs — on a 4.0 or 10-point scale. 📋 Grade Needed on Final Exam Calculator Find out what score you need on your final exam to reach the overall grade you want, from your current average and the exam's weight. 🗂️ JSON Formatter & Validator Pretty-print or minify JSON, and catch syntax errors with line and column numbers. 🧪 Regex Tester Test a regular expression against sample text with live match highlighting and a capture group breakdown. 🔣 Base64 Encoder/Decoder Encode text to Base64 or decode Base64 back to text, live, with full Unicode support and an optional URL-safe variant. 🆔 UUID Generator Generate cryptographically random v4 UUIDs, one at a time or in bulk, with uppercase, no-hyphens, and braces formatting options. ⚙️ Cron Expression Explainer Paste a standard 5-field cron expression and get a plain-English explanation of when it runs. 📟 Unix Timestamp Converter Convert a Unix timestamp (epoch time) to a human-readable date and back, live, in both your local time zone and UTC. 🔒 Hash Generator Generate the MD5 and SHA-256 hash of any text, live, entirely in your browser. 🌓 Color Contrast Checker Check the WCAG contrast ratio between a text color and a background color, with pass/fail results for AA and AAA accessibility levels.