Calculator library

Find the right number
for your next decision.

Free tools built for India. Your inputs stay on your device.

99 tools
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Loans

EMI Calculator

Calculate monthly loan EMI, total interest payable, and principal vs interest split for Home, Car, or Personal loans in INR.

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Investment

CAGR Calculator

Calculate Compound Annual Growth Rate (CAGR), inflation-adjusted real CAGR, wealth multiple, and annualized investment performance.

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Investment

Step-Up SIP Calculator

Project mutual fund corpus when you increase your monthly SIP contribution every year in line with salary appraisals.

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Compensation

CTC To In-Hand Salary Calculator

Convert annual Cost-to-Company (CTC) into exact monthly take-home salary after EPF, professional tax, gratuity, and FY 2026–27 income tax.

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JSON

JSON Formatter & Beautifier

Format, beautify, minify, and inspect JSON payloads with configurable indentation, alphabetical key sorting, and byte compression metrics.

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JSON

JSON Validator

Validate JSON syntax against RFC 8259 standards, pinpoint exact line-number parse errors, and inspect object nesting depth and key counts.

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Encoding

Base64 Encoder & Decoder

Encode UTF-8 text to Base64 or decode Base64 strings back to plain text with full Unicode safety and RFC 4648 URL-safe mode.

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Programming

UUID v4 Generator

Generate cryptographically random RFC 4122 version 4 UUIDs in bulk with toggles for hyphens, uppercase hex, and braces.

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Programming

Regex Tester & Debugger

Test JavaScript regular expressions in real time against sample strings with capture-group inspection and presets for PAN, IFSC, Email, and Mobile.

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Programming

Password Generator

Generate high-entropy cryptographic passwords using Web Crypto CSPRNG with real-time entropy bit scoring and offline crack-time estimation.

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Date & Time

Unix Timestamp Converter

Convert Unix epoch timestamps (seconds or milliseconds) to ISO 8601, UTC, and local IST dates—or convert dates back to epoch numbers.

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Text

Word & Character Counter

Count words, characters (with and without spaces), sentences, paragraphs, reading/speaking time, and top keyword frequency in real time.

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Body Metrics

BMI Calculator

Calculate Body Mass Index (BMI), Ponderal Index, BMI Prime, and healthy target weight range with both Asian-Indian (ICMR) and WHO standards.

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Nutrition & Energy

BMR & Calorie Calculator

Calculate your Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), calorie targets for fat loss or muscle gain, and daily protein needs.

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Date & Time

Age Calculator

Calculate exact chronological age in years, months, days, total weeks, calendar days, and countdown to your next birthday.

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Percentages & Discounts

Percentage Calculator

Solve all three everyday percentage problems at once: X% of Y, what percentage X is of Y, and percentage increase or decrease between two numbers.

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Percentages & Discounts

Discount Calculator

Calculate final sale price, total rupees saved, stacked coupon discounts (e.g., 25% + extra 10% off), and optional GST on retail purchases.

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Date & Time

Date Difference Calculator

Calculate total calendar days, working weekdays (Mon–Fri), weekend days, and years/months/days between any two dates.

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Compression

Image Compressor & WebP Converter

Compress PNG, JPG, and WebP images and transcode between formats directly inside your browser using HTML5 Canvas—zero server uploads.

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Resize & Aspect Ratio

Image Resize & Dimension Calculator

Calculate aspect-ratio-locked image dimensions, scale percentages, and megapixel counts for OpenGraph, Full HD, and 4K presets.

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Investment

Mutual Fund Returns Calculator

Calculate combined mutual fund maturity value when investing both a monthly SIP and a one-time lumpsum amount.

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Investment

SWP Calculator (Systematic Withdrawal Plan)

Plan monthly retirement cashflows from your mutual fund corpus with inflation-linked annual withdrawal step-ups.

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Investment

STP Calculator (Systematic Transfer Plan)

Model monthly transfers from a liquid/debt fund into an equity mutual fund and compare total returns against staying in debt.

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Investment

ROI Calculator (Return on Investment)

Calculate simple ROI percentage, annualized ROI (CAGR), net profit, and investment multiple across any holding period.

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Loans

Car Loan EMI Calculator

Calculate monthly auto loan EMI, total interest outgo, and repayment split for new or used car financing in India.

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Loans

Personal Loan EMI Calculator

Estimate monthly personal loan EMI and total interest cost for unsecured personal loans from ₹25,000 to ₹50 Lakh.

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Loans

Loan Eligibility Calculator

Find the maximum home or personal loan amount you qualify for based on net monthly salary, existing EMIs, and bank FOIR limits.

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Loans

Loan Prepayment Calculator

Calculate exact interest saved and months shaved off your loan tenure by making monthly, yearly, or one-time part-prepayments.

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Tax

Old vs New Tax Regime Calculator

Side-by-side comparison of Old and New Indian Income Tax Regimes for FY 2025–26 and FY 2026–27 with 80C, 80D, HRA, and NPS deductions.

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Tax

Salary Tax Calculator

Calculate annual and monthly income tax on salary income after ₹75,000 standard deduction, employer benefits, and Chapter VI-A deductions.

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Tax

Bonus Tax Calculator

Calculate marginal income tax deducted on your annual performance bonus or joining bonus and see the exact net cash credited.

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Planning

Retirement Calculator

Project your inflation-adjusted monthly expenses at age 60, required retirement nest egg, and monthly SIP needed starting today.

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Planning

FIRE Calculator (Financial Independence, Retire Early)

Calculate your India-adjusted FIRE number (3.5% Safe Withdrawal Rate & 25× Rule), years to financial independence, and required monthly SIP.

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Planning

Child Education Calculator

Estimate the future cost of your child's undergraduate or postgraduate degree after education inflation and find the monthly SIP required.

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Planning

Financial Goal Planner

Calculate the exact monthly saving or SIP needed to hit any financial milestone—home down payment, wedding, car, or sabbatical.

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Compensation

Salary Increment Calculator

Calculate your new CTC, monthly gross increase, and net post-tax take-home increment from an appraisal percentage.

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Compensation

Bonus Calculator

Calculate your gross performance bonus, marginal TDS tax deduction, and net in-hand bonus payout credited to your bank account.

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Career Timeline

Work Experience Calculator

Calculate exact total professional work experience in years, months, weeks, and days between your joining date and relieving date.

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Career Timeline

Notice Period & Buyout Calculator

Find your exact Last Working Day (LWD) from your resignation date and calculate notice period shortfall buyout recovery in ₹ INR.

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Career Timeline

Working Days Calculator

Count exact Monday–Friday working business days and weekend days between any two dates for payroll, sprints, and leave planning.

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JSON

JSON Beautifier

Pretty-print compact or minified JSON strings with clean 2-space or 4-space indentation and optional alphabetical key sorting.

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JSON

JSON Minifier

Compress JSON payloads by stripping all unnecessary whitespace and newlines, and measure exact byte savings.

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Encoding

Base64 Decoder

Decode standard or URL-safe RFC 4648 Base64 strings back into UTF-8 plain text locally in your browser.

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Encoding

URL Encoder

Percent-encode query parameters, special symbols, and UTF-8 characters for safe transmission in URLs and query strings.

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Encoding

URL Decoder

Decode percent-encoded (%20, %3A, %2F) URLs and query strings back into readable plain text.

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Encoding

HTML Entity Encoder

Escape raw HTML tags and special characters (<, >, &, ", ') into safe HTML entities for code blocks and templates.

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Encoding

HTML Entity Decoder

Unescape HTML entities (&lt;, &gt;, &amp;, &quot;, &#39;, &#8377;) back into raw characters.

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Programming

Hash Generator (SHA-256, SHA-512, MD5)

Generate SHA-256, SHA-512, SHA-384, SHA-1 and MD5 hexadecimal digests locally in your browser. Nothing is uploaded.

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Programming

Lorem Ipsum Generator

Generate clean placeholder paragraphs, sentences, or word counts for UI wireframes, typography tests, and landing page mockups.

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Date & Time

Timestamp Converter (ISO 8601 & Epoch)

Convert between ISO 8601 date strings, UTC timestamps, local IST dates, and 10/13-digit Unix epoch numbers.

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Date & Time

Cron Expression Generator & Explainer

Build and translate 5-field Linux crontab schedules into plain English and systemd OnCalendar timer rules.

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Date & Time

Timezone Converter (IST, UTC, ET, PT, GMT, SGT)

Convert any ISO date-time simultaneously across India (IST), UTC, US Eastern/Pacific, London, Dubai, Singapore, and Tokyo.

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Text

Character Counter

Count exact characters (with and without spaces), byte length, words, lines, and sentences for SEO titles, meta descriptions, and social posts.

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Text

Case Converter (camelCase, snake_case, kebab-case)

Convert any text or identifier simultaneously into camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and UPPER/lowercase.

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Text

Duplicate Line Remover

Remove duplicate lines from lists, logs, CSVs, or URLs with toggles for case sensitivity, whitespace trimming, and alphabetical sorting.

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Text

Text Difference Checker (Diff Tool)

Compare two text blocks or config files line by line to highlight added, removed, and unchanged lines.

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Format Conversion

JPG to PNG Converter

Convert JPG/JPEG photos into lossless PNG files directly in your browser using HTML5 Canvas without server uploads.

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Format Conversion

PNG to JPG Converter

Convert heavy PNG screenshots and graphics into lightweight JPG images with white-background flattening and adjustable quality.

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Format Conversion

WebP Image Converter

Convert PNG or JPG images into next-gen WebP format for faster website loading and Core Web Vitals optimization.

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Resize & Aspect Ratio

Image Dimension & Aspect Ratio Calculator

Calculate exact aspect ratios (16:9, 4:3, 1:1), proportional width/height scaling, and megapixel counts for any resolution.

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Nutrition & Energy

Daily Calorie Calculator (TDEE)

Calculate your daily maintenance calories (TDEE), fat-loss calorie deficit targets, and lean muscle-gain surplus using the Mifflin-St Jeor equation.

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Nutrition & Energy

Protein Intake Calculator

Calculate your optimal daily and per-meal protein requirement in grams based on body weight, activity level, and fitness goal.

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Body Metrics

Ideal Weight Calculator

Compare your ideal body weight across four clinical equations (Devine, Robinson, Miller, Hamwi) and the Asian-Indian healthy BMI window.

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Nutrition & Energy

Water Intake Calculator

Calculate your optimal daily hydration in liters, milliliters, and 250 ml glasses based on body weight, workout duration, and Indian climate.

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Body Metrics

Body Fat Percentage Calculator (US Navy Method)

Estimate your body fat percentage, fat mass (kg), and lean body mass (kg) from tape-measure waist, neck, and height measurements.

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Percentages & Discounts

Tip & Bill Split Calculator

Calculate restaurant tip or service charge in ₹ INR, total dining bill, and exact per-person split across your group.

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Date & Time

Time Duration & Work Hours Calculator

Calculate elapsed hours, minutes, and decimal timesheet hours between a start time and end time with optional break deduction.

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Everyday Math, Tax & Dates

Unit Converter (Area, Length, Weight, Volume, Speed, Data & Temp)

Convert Indian land units (Sq.Ft, Gaj, Guntha, Acre, Hectare), length, weight, volume (litres, gallons), speed (km/h, mph, knots), digital storage (GB vs GiB) and temperature.

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Everyday Math, Tax & Dates

Currency Converter (INR Default)

Convert between Indian Rupees (₹ INR) and USD, EUR, GBP, AED, SGD, AUD, CAD, and JPY with custom forex rate override support.

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Tax & Billing

Driver Salary Receipt Generator

Create monthly driver salary receipts with vehicle number, amount in words and a revenue stamp box for cash, ready to print for reimbursement claims.

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Tax & Billing

Fuel Bill Generator

Turn your petrol, diesel or CNG fill-ups into printable fuel bills with rate, quantity and amount, plus totals for fuel reimbursement claims.

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Loans

Home Loan EMI Calculator

Calculate your EMI, total interest and the impact of extra repayments.

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Loans

Home Loan Prepayment Strategy Calculator

Compare monthly, one-time and yearly prepayment strategies for interest savings.

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Loans

Rent vs Buy Calculator

Compare renting versus buying by estimated ending wealth over time.

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Compensation

Take-Home Salary Calculator

Turn annual CTC into monthly in-hand salary with automatic tax and gratuity.

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Compensation

Salary Hike Calculator

Estimate new CTC and monthly take-home after a salary hike.

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Payroll Tax

TDS Calculator

Estimate monthly salary TDS after tax paid, declarations and regime choice.

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Tax

HRA Calculator

Calculate HRA exemption from basic salary, rent, HRA received and city type.

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Tax

80C Deduction Calculator

Track EPF, PPF, ELSS, insurance and other Section 80C deductions against the limit.

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Retirement & Benefits

Gratuity Calculator

Estimate gratuity from monthly basic plus DA and completed service years.

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Tax

Income Tax Calculator

Compare detailed old and new regime tax for current and previous tax years.

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Tax

HRA vs Home Loan Tax Benefit Calculator

Compare HRA exemption and home-loan interest benefits under the old regime.

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Payroll Tax

Car Lease Benefit Calculator

Estimate car lease tax benefit, monthly tax saving and take-home after lease.

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Tax

Capital Gains Tax Calculator

Estimate capital gains tax for listed equity, property and other assets.

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Tax

ITR Return Calculator

Estimate refund or balance tax payable using income, deductions, TDS, TCS and advance tax.

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Retirement & Benefits

PF Calculator

Estimate monthly PF contributions and a simple future PF balance projection.

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Investment

NPS Calculator

Estimate NPS corpus, lump sum, annuity corpus and monthly pension.

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Tax & Billing

Rent Receipt Generator

Generate simple rent receipt previews for HRA documentation.

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Investment

SIP Calculator

Estimate future value, total invested amount and gains from monthly SIP investing.

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Investment

Lumpsum Investment Calculator

Project one-time investment growth using a simple annual compounding assumption.

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Investment

Fixed Deposit Calculator

Estimate FD maturity amount and interest with editable compounding frequency.

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Investment

PPF Calculator

Estimate Public Provident Fund maturity, deposits and interest over time.

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Investment

Recurring Deposit Calculator

Estimate maturity value from a fixed monthly RD deposit.

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Tax & Billing

GST Calculator

Add GST to a taxable amount, or extract GST from an inclusive price, with the CGST and SGST split.

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Investment

Savings Goal Calculator

Find the monthly saving needed to reach a future money goal.

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Planning

Emergency Fund Calculator

Estimate how much emergency savings you need based on essential monthly expenses.

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Planning

Monthly Budget Planner

Split monthly take-home income into needs, wants, savings and unallocated money.

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Planning

Credit Card Interest Calculator

Estimate payoff time and interest if you repay a credit-card balance monthly.

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Planning

Inflation Calculator

Estimate how inflation changes future cost and today’s buying power.

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