Check it yourself.
Accurate calculators and converters for time zones, currencies, loans, investments, Indian taxes and live markets. Every result shows its working, so you can check it for yourself.
Markets & Investing
Live prices you can check yourself, and the math behind your returns.
Time & Date
Clocks, calendars and the calculations between them.
Time Zone Converter & Meeting Planner
Compare time across cities, slide the clock, and find meeting hours that work for everyone.
DATEDate Difference Calculator
Days, weeks, weekdays and working days between any two dates. Add or subtract days too.
AGEAge Calculator
Exact age in years, months and days, plus total days lived and your next birthday.
WORLDWorld Clock
Live time in as many cities as you want to watch, ordered west to east, with each offset from you spelled out.
WDAYSBusiness Days Calculator
Working days between two dates, or the date a number of working days away, with your own weekend and holidays.
HOURSWorking Hours Calculator
A week of shifts totalled with unpaid breaks off and overnight shifts handled, in hours and minutes and in decimal.
TIMERCountdown, Timer & Stopwatch
Count down to any date, run a timer with an alarm, or use a stopwatch with laps. Accurate in a background tab.
Documents & Images
Work on PDFs and images in your browser. The files never leave your device.
PDF Tools
Compress, merge, split and rotate PDFs, and convert between images and PDF.
IMGImages to PDF
Turn photos or scans into one PDF, with a preview of every page so you can straighten it first.
EDITImage Tools
Resize, compress, convert and crop, plus ready-made passport and social media sizes.
OCRImage to Text
Pull the text out of a photo or scan, in English, Hindi or Tamil.
Money & Finance
Loans, savings, investments and insurance, worked out precisely.
Currency Converter
Convert 30+ currencies with European Central Bank reference rates and a 30-day trend.
EMILoan EMI Calculator
Monthly EMI, total interest and a year-by-year amortization schedule for any loan.
CICompound Interest Calculator
Future value of a deposit with optional monthly additions and a growth table.
SIPSIP Calculator
Mutual fund SIP returns with annual step-up and a lumpsum comparison.
COVERTerm Insurance Cover Calculator
How much life cover your family actually needs, based on income, loans and goals.
BEPBreak-Even Point Calculator
Units and revenue needed to cover costs, plus units needed for a target profit.
SALEDiscount Calculator
Sale price, the amount saved, stacked discounts and the real percentage off, worked out both ways.
TIPTip & Bill Splitter
Tip on the bill before or after tax, rounded up if you like, split so the shares add back to the exact total.
India: Tax & GST
GST, income tax and salary tools updated for FY 2025-26.
GST Calculator (India)
Add or remove GST at any rate with automatic CGST, SGST and IGST split.
INVGST Invoice Generator
Create a GST-compliant tax invoice with auto tax split and amount in words. Print to PDF.
TAXIncome Tax Calculator FY 2025-26
New vs old regime, side by side, with rebate, surcharge and cess. See which saves more.
CTCSalary Take-Home Calculator (India)
CTC to in-hand salary after EPF, gratuity, professional tax and income tax.
Everyday Tools
Quick utilities you reach for every week.
Percentage Calculator
Percent of a number, percentage change, and increase or decrease by a percent.
UNITUnit Converter
Length, weight, temperature, area, volume, speed, data, fuel, cooking and more. Includes acre, cent and ground.
WCWord & Character Counter
Words, characters, sentences, reading time and speaking time as you type.
PWStrong Password Generator
Random passwords generated in your browser with a real entropy strength meter.
QRQR Code Generator
Codes for links, Wi-Fi, contacts, WhatsApp and events, drawn in your browser. PNG or SVG, and they never expire.
CASEText Case Converter
Title case, sentence case, UPPER, lower, camelCase or a URL slug, plus sort, de-duplicate, trim and replace.
B64Base64, Hash & UUID
Encode and decode Base64 and URLs, read a JWT, hash with SHA-256, and generate UUIDs, all on your own device.
JSONJSON Formatter & Validator
Pretty-print, minify and validate JSON, with the error pointed at the line and column that broke it.
More tools
Tax and pay calculators for outside India. See the full list.
US Paycheck Calculator
Gross salary down to what lands in your account: federal brackets, Social Security, Medicare, 401(k) and state tax.
VATVAT Calculator
Add VAT to a net price or pull it back out of a VAT-inclusive one, with standard rates for 18 countries.
MACRSUS Depreciation Calculator
MACRS with every recovery period and convention, plus section 179, bonus depreciation and the auto caps.
Guides
How time zones actually behave, and how to work across them.
How Time Zones Actually Work
Offsets, UTC, daylight saving and why 9am is never simply 9am.
Best Meeting Times for India and US Teams
The real overlap, hour by hour, and which slots cost somebody their evening.
Daylight Saving Explained
Who changes their clocks, when, and why the changeovers do not line up.
All guides
Eight guides on time zones, scheduling and handling time correctly in software.
Why these tools still matter in the age of AI
AI assistants are good at explaining, but for numbers that affect your money and your schedule you want a deterministic answer you can verify: the exact EMI a bank will quote, the precise GST split on an invoice, the real time in Tokyo right now, the live level of the Nifty. Every calculator on this site shows its working, uses the same formulas banks, tax software and exchanges use, and runs entirely in your browser, so nothing you type is uploaded or stored. That is the whole idea: fast answers you can check, share and rely on.