// finance.mortgage

Mortgage Calculator

Estimate your monthly payment, total interest, and view the full amortization schedule.

Loan Details
$
$
6.8%
%
Results
Monthly Payment
—
Loan Amount —
Total Interest —
Total Cost —
Payoff Date —
Enter your loan details and click Calculate to see your payment breakdown.
// finance.emi

EMI / Loan Calculator

Calculate monthly installments for home, auto, personal, or student loans with full breakdown.

Loan Details
$
8.5%
%
yrs
mo
Results
Monthly EMI
—
Principal Amount —
Total Interest —
Total Payment —
Interest to Principal —
Fill in your loan details to see the monthly installment and cost breakdown.
// finance.tax

US Tax Estimator

Estimate your 2025–26 federal income tax based on the latest IRS brackets. Not tax advice.

Income Details
$
$
$
Tax Summary
Estimated Tax Owed
—
Taxable Income —
Effective Tax Rate —
Marginal Bracket —
Est. Monthly Tax —
Enter your income details to estimate your federal tax liability.
// health.bmi

BMI Calculator

Calculate your Body Mass Index using CDC guidelines. Metric and imperial supported.

Your Measurements
ft
in
lbs
yrs
Results
Your BMI
—
UnderweightNormalOverweightObese
Category —
Healthy Weight Range —
BMI Prime —
Enter your height and weight to calculate your Body Mass Index.
// health.tdee

Calorie & TDEE

Calculate your Total Daily Energy Expenditure and calorie targets for weight goals.

Your Details
yrs
lbs
kg
ft
in
Your Daily Calories
TDEE — Maintenance
—
calories per day to maintain weight
BMR (base metabolic rate) —
Weight Loss (−500 cal) —
Mild Loss (−250 cal) —
Weight Gain (+500 cal) —
Enter your stats to calculate your daily calorie needs using the Mifflin-St Jeor equation.
// everyday.age

Age Calculator

Calculate exact age and time until next birthday — down to days.

Date of Birth
Results
Select your date of birth to see your exact age and birthday countdown.
// everyday.area

Square Footage Calculator

Calculate room area for flooring, paint, tile, carpet, or landscaping projects.

Shape & Dimensions
⬜Rectangle
⭕Circle
🔺Triangle
ft
ft
$
Results
Area
—
Square Meters—
Square Yards—
Acres—
Select a shape, enter dimensions, and get your area in multiple units instantly.
// everyday.recipe

Recipe Converter

Convert cooking measurements instantly — grams, cups, tablespoons, teaspoons, and more.

Convert Measurement
NOTE
Volume and weight conversions assume water density (1g/ml). For flour, sugar, butter, results will vary — use a kitchen scale for precision baking.
All Conversions
Enter an amount and select a unit to see instant conversions across all cooking measurements.
// developer.timestamp

Unix Timestamp Converter

Convert between Unix epoch timestamps and human-readable dates. Runs entirely in your browser.

Live:
Timestamp → Date
Date → Timestamp
// developer.base64

Base64 Encoder/Decoder

Encode or decode Base64 strings. Nothing leaves your browser — fully private.

Input
Output