137 free tools available
Calculate compound interest growth with annual, quarterly, monthly, or daily compounding. See year-by-year growth table.
Convert between 170+ world currencies with live exchange rates. Fast, accurate, and free.
Calculate monthly mortgage payments, total interest, and full amortization schedule for home loans.
Calculate your pregnancy due date, current week, and trimester from your last menstrual period or conception date.
Calculate exact age in years, months, days, and hours from a birth date. Find age on a specific date.
Calculate your GPA on a 4.0 scale. Add multiple subjects with credits and letter grades. Supports semester and cumulative GPA.
Compress JPG, PNG, and WebP images directly in your browser. Reduce file size without losing quality.
Calculate your India income tax under both New and Old Tax Regime for FY 2025-26. Includes standard deduction, 87A rebate, and surcharge.
Track your menstrual cycle, calculate ovulation window, and predict next period dates for the next 6 months.
Calculate percentages in 5 different ways: what % of X, X is what % of Y, % change, % increase/decrease, and reverse percentage.
Full-featured scientific calculator with trigonometry (sin, cos, tan), logarithms, powers, roots, and memory functions.
Calculate your TDEE and the calorie deficit needed to lose weight at your target pace. Based on Harris-Benedict equation.
Calculate days between two dates, add or subtract days/months/years from a date, and find weekday for any date.
Build a beautiful Linktree-style bio page in seconds — add links, social icons, profile photo, pick a theme, and share one URL.
Estimate how much home loan or personal loan you're eligible for based on income, existing EMIs, and bank norms. Works for all Indian banks.
Calculate your total percentage from marks obtained across multiple subjects. Find rank and grade automatically.
All-in-one text toolkit: case converter, lorem ipsum generator, text diff, duplicate line remover, find & replace, and word frequency counter.
Calculate exact age, days between dates, next birthday countdown, day of week finder, and date arithmetic.
Generate a complete brand package from one keyword — slogans, color palettes, font pairings, brand voice, and a downloadable SVG logo.
Convert CGPA to percentage for Anna University, VTU, Mumbai University, and general formulas.
Resize images to exact dimensions, percentage, or max width/height. Maintains aspect ratio or stretches to fit.
Compare Old vs New tax regime for FY 2024-25. Enter your salary, deductions, and HRA to instantly see which regime saves you more money.
Create professional invoices instantly — add line items, taxes, logo, and download as a print-ready PDF. Free, no account needed.
Calculate Return on Investment (ROI), annualized ROI, and break-even point for any investment.
Find the best bedtime or wake-up time based on 90-minute sleep cycles. Wake up refreshed — never in the middle of deep sleep again.
All-in-one social media toolkit: caption generator, hashtag research, bio optimizer, image size guide, and post scheduler planner.
Calculate your Total Daily Energy Expenditure (TDEE) with activity level to find your maintenance calories.
Get a free disposable email address instantly. Receive emails, OTPs and registration confirmations without exposing your real email. Auto-refreshing inbox.
Split bills and calculate tips instantly. Choose tip percentage, split among multiple people, and see exact per-person amounts.
Measure your typing speed in WPM (words per minute) and accuracy. 1-minute timed test with instant results.
Build optimized prompts for ChatGPT, Claude, Midjourney, and Gemini with guided fields, tone selectors, and one-click copy.
Calculate arithmetic mean, weighted average, geometric mean, and harmonic mean from a list of numbers.
Visual CSS generator for box shadows, border radius, gradients, text shadows, and animations — copy production-ready code instantly.
JSON formatter & validator, Base64 encoder/decoder, URL encoder/decoder, JWT decoder, and Regex tester — all in one tabbed tool.
Calculate discounted price, original price, or discount percentage. Great for shopping, retail pricing, and coupon calculations.
Convert JPG/JPEG images to PNG format instantly in your browser. No upload, 100% private.
Calculate your ideal daily macros — protein, carbohydrates, and fats — based on your goal (lose, maintain, or gain weight).
Generate strong, secure passwords — random, memorable, or passphrase style. Includes entropy score, strength meter, and bulk generation.
Plan your retirement savings. Calculate how much you need, what to save monthly, and when you can retire.
Generate a professional salary slip with basic pay, HRA, allowances, PF, and TDS deductions. Download as PDF instantly.
Full-featured scientific calculator with trigonometry, logarithms, powers, roots, and more. Supports degrees and radians.
Count words, characters, sentences, paragraphs, and reading time. Analyze keyword density and find the most frequent words.
Track income and expenses, visualize spending by category with a live SVG pie chart, and see your monthly savings rate.
Convert text between UPPER CASE, lower case, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case.
Calculate your CGPA and GPA semester-wise. Add subjects with credits and grades. Instant conversion between CGPA and percentage.
Search domain availability across 15+ TLDs, generate brandable name ideas, score names, and register instantly via top registrars.
Calculate monthly EMI for personal loans, home loans, and vehicle loans instantly.
Add, subtract, multiply, and divide fractions. Simplify fractions and convert between fractions, decimals, and percentages.
Convert PNG images to JPG/JPEG format instantly in your browser. Choose quality level. No upload needed.
Generate random numbers within any range. Single numbers, sets, unique lists, or dice rolls.
Compare time zones worldwide, find the best meeting times across teams, and convert times instantly with a visual overlap chart.
Find your zodiac sign, personality traits, compatibility, and today's horoscope. Covers all 12 Western zodiac signs.
Fun love compatibility test based on names. Get a compatibility score, personality match, and relationship analysis. 100% for entertainment.
Focus timer based on the Pomodoro Technique. Customize work/break durations, track completed sessions, and boost productivity.
Paste your resume and a job description — get ATS score, keyword gap analysis, missing skills, and improvement tips instantly.
Calculate mean, median, mode, standard deviation, variance, range, and more from a list of numbers.
Generate UUIDs (v1, v4) in bulk. Copy single or batch GUIDs for use in code, databases, and APIs.
Track your attendance percentage. Find out how many classes you can miss or need to attend to maintain the required attendance criteria.
Calculate your ideal hourly and project rates as a freelancer. Factor in expenses, taxes, profit margins, and desired income.
Create professional GST invoices instantly. Add client details, line items, GST rate, and download a clean PDF — no account or sign-up needed.
Find location, ISP, timezone, and other details for any IP address. Auto-detects your current IP. Check if an IP is a VPN or proxy.
Convert JSON arrays to CSV format and CSV to JSON instantly. Download the result.
Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Classic Latin or modern English gibberish.
Generate QR codes for URLs, WiFi, UPI payment, vCard, and more. Customize colors, download PNG or SVG — no watermarks.
Solve quadratic equations ax² + bx + c = 0 with step-by-step working. Shows discriminant, real and complex roots.
Generate a WhatsApp click-to-chat link with pre-filled message. Perfect for businesses to add to websites, emails, and social media.
Calculate GST amount, original price, and final price instantly. Supports all GST slabs: 5%, 12%, 18%, 28%. Works for both inclusive and exclusive GST.
Live split-pane Markdown editor with instant preview, syntax highlighting, word count, and export to HTML or print as PDF.
Calculate your total marks percentage across multiple subjects. Find aggregate score, pass/fail status, and grade for your exam results.
Generate HTML meta tags for SEO, Open Graph (Facebook), Twitter Cards, and robots directives. Preview included.
Convert numbers between Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16).
Encode and decode URLs and URI components instantly. Handles special characters and query parameters.
Palette generator, contrast checker (WCAG AA/AAA), gradient builder, color name finder, and CSS variable export — all in one.
Build and explain cron expressions visually. Set minute, hour, day, month, weekday with a readable description.
Generate a random fake identity for testing and registrations — name, DOB, address, phone, username, and more. All data is generated locally.
Calculate your Life Path, Expression, Soul Urge, and Personality numbers. Get your full numerology reading based on name and birth date.
Simplify ratios, solve proportions (find the missing value), and calculate equivalent ratios.
Count words, characters, sentences, paragraphs, and reading time. Perfect for essays, assignments, and social media posts.
Calculate your Body Mass Index (BMI) and understand your weight category.
Calculate your exact House Rent Allowance (HRA) tax exemption. Based on actual rent paid, basic salary, and city tier (metro vs non-metro).
Boost focus with the Pomodoro technique. Customizable study and break intervals, session tracking, and focus streak counter.
Find and replace text with support for plain text and regex. Bulk replace across large text blocks.
Split any bill fairly among friends. Support unequal splits by percentage or custom amount, add a tip, and generate a shareable summary.
Generate full color palettes from any hex color. Get shades, tints, complementary, analogous, and triadic colors. Export as CSS variables or Tailwind config.
Calculate weighted average grades for assignments, midterms, and finals. Know what you need on your final exam to reach your target grade.
Convert numbers between binary, octal, decimal, hexadecimal, and any custom base. Includes bit-width display and two's complement.
Should you rent or buy a home? See the break-even point, total cost of ownership vs renting, and which option wins over 5, 10, 20 years.
Convert between Roman numerals and Arabic numbers instantly. Supports 1 to 3999 with step-by-step breakdown.
Calculate returns on your Systematic Investment Plan (SIP) investments over time.
Repeat any text N times with a custom separator. Useful for creating test data and patterns.
Generate citations in APA, MLA, and Chicago format for websites, books, and journals. Copy-paste ready for your assignments.
Build cron expressions visually with a GUI. See a human-readable explanation of any cron string and preview the next 10 run times.
Remove duplicate lines from text. Sort lines, keep only unique entries, and count removed duplicates.
Plan your monthly budget with income vs expense tracking by category. Visualize spending, find savings, and set targets.
Calculate mean, median, mode, standard deviation, variance, and more from your data set. Paste numbers and get instant stats.
Check the readability of your text using Flesch-Kincaid score, grade level, and reading time. Optimize content for your target audience.
Generate SHA-256, SHA-512, SHA-1, and SHA-384 cryptographic hashes from any text. Uses your browser's built-in Web Crypto API — nothing is sent to any server.
Find out how much your meeting is costing the company in real time. Enter attendees, average salary, and duration — the live ticker will surprise you.
Solve quadratic equations ax²+bx+c=0 with step-by-step working shown. Get real and complex roots using the quadratic formula.
Test and debug regular expressions in real time. View highlighted matches, capture groups, and flags with instant feedback as you type.
Calculate SIP returns with annual step-up (top-up). See how increasing your SIP by 10% every year dramatically grows your wealth vs a flat SIP.
Compare current times across multiple cities worldwide. Visual 24-hour timeline shows working hours, night hours, and lets you find the best meeting time across time zones.
Convert numbers between binary, decimal, octal, and hexadecimal instantly. Essential tool for computer science students.
Look up DNS records for any domain — A, AAAA, MX, TXT, NS, CNAME, and more. Uses Cloudflare's secure DNS over HTTPS (DoH) API.
Calculate education loan EMI with moratorium period. See total interest, monthly repayment after course, and repayment schedule.
Calculate your gratuity amount as per the Payment of Gratuity Act. Enter years of service and last drawn salary for instant results.
Convert between meters, feet, inches, kilometers, miles, and more length units.
Add, subtract, multiply matrices and find determinant and inverse for 2×2 and 3×3 matrices. Shows step-by-step working.
Check domain registration details — owner, registrar, expiry date, creation date, and nameservers. Free WHOIS data for any domain.
Calculate Fixed Deposit maturity amount and interest earned. Supports simple interest, compound interest, and quarterly compounding options.
Calculate trip fuel cost and compare petrol vs diesel vs CNG vs EV. Enter distance, mileage, and fuel price for instant cost breakdown.
Compare up to 3 loans side by side. See which bank's offer saves you the most in total interest — factor in processing fees and prepayment.
Calculate your Public Provident Fund returns year by year. See total investment, interest earned, and maturity amount over 15 years at the current PPF interest rate.
Project your salary growth over 10–20 years with custom hike percentages. See inflation-adjusted real value and when you hit your target CTC.
Convert between traditional Tamil Nadu land units: வேலி, மா, காணி, குழி, Cent, Ground, Acre, Hectare using official & traditional relationships.
Calculate your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and selling price to see when your business turns profitable.
Calculate exact age in years, months, days from your date of birth.
Convert between square feet, square meters, acres, hectares, ares and other standard area units.
Convert astronomical units: light years, parsecs, AU, solar radii, kilometers.
Convert clothing sizes between US, UK, EU, Japan for men, women, and children.
Convert cooking measurements: teaspoons, tablespoons, cups, pints, quarts, drops, dashes, and more.
Convert between kg/m³, g/cm³, lb/ft³, specific gravity, and other density units.
Convert between joules, calories, BTU, kilowatt-hours, electronvolts, and more.
Convert volume and mass flow rates (L/s, gal/min, m³/h, etc.).
Format, validate, and beautify JSON data. Minify or prettify with one click.
Convert illuminance and luminous intensity: lux, lumen, candela, foot-candle, etc.
Convert between decimal, binary, hexadecimal, octal, roman numerals, and number words.
Generate strong, secure random passwords with customizable length and options.
Convert between watts, horsepower, BTU per hour, kilowatts, and other power units.
Convert between pascal, psi, bar, atmosphere, torr, inHg, and more pressure units.
Calculate gross profit, profit margin, and net profit from cost and selling price.
Generate QR codes for URLs, text, WiFi, contact info and more. Download as PNG.
Convert between km/h, mph, m/s, knot, mach, and other speed units.
Convert between different time units: seconds, minutes, hours, days, weeks, milliseconds, Unix timestamps, etc.
Convert between Newton-meter, pound-foot, kilogram-meter, and other torque units.
Convert between poise, centipoise, pascal-second, and other viscosity units.
Convert between liters, gallons, pints, cups, fluid ounces, cubic meters, and more.
Need a tool that isn't here? Suggest it →