Browse Apps

Calculate voltage, current, resistance, and power using Ohm's law.

by Launch Arcade

Full scientific calculator with trig, log, and advanced operations.

by Launch Arcade

Calculate simple and compound interest instantly. Enter principal, rate, and time to see how your money grows — works offline as a progressive web app.

by SafdarJamal

Calculate equated monthly installments for any loan amount.

by Launch Arcade

Perform matrix operations: addition, multiplication, determinants, and more.

by Launch Arcade

Calculate tips based on bill amount, service quality, and number of people splitting.

by frankiefab100

Calculate how your savings grow over time with compound interest.

by Kraftbit

Estimate mortgage payments and view amortization schedules.

by Launch Arcade

Calculate pace, finish time, or distance for running and cycling. Includes mile/km splits table, preset race distances, and imperial/metric support.

by Launch Arcade

Calculate your Total Daily Energy Expenditure. Get your BMR, maintenance calories, and targets for fat loss, maintenance, and bulking.

by Launch Arcade

Estimate your body fat percentage using the U.S. Navy method. Get fat mass, lean mass, and body composition category.

by Launch Arcade

Calculate monthly loan payments with interest breakdown.

by Launch Arcade

Calculate derivatives of any math expression and see the result plotted on an interactive graph. Supports functions, constants, and complex expressions.

by PB2204

Clean, simple calculator for everyday math.

by Launch Arcade

Find your exact age in years, months, and days from any date.

by Launch Arcade

Calculate your Body Mass Index based on height and weight to evaluate your health status and determine your ideal weight range.

by abhigyan02

Full type matchup calculator for Pokemon. Check weaknesses, resistances, and immunities for any type combo. Supports dual types and both offense/defense modes.

by Launch Arcade

Find optimal bedtimes and wake times based on 90-minute sleep cycles. Wake up between cycles instead of during them.

by Launch Arcade

Add, subtract, multiply, and divide fractions with ease.

by Launch Arcade

How many runs until you get the drop? Enter any drop rate and see exactly how many attempts you need for 50%, 90%, or 99% confidence.

by Launch Arcade

Plot mathematical functions in real-time on an interactive graph. Supports trigonometric, logarithmic, and polynomial functions.

by Abhrankan Chakrabarti

Compute mean, median, mode, standard deviation, and more from a data set.

by Launch Arcade

Calculate your 5 heart rate training zones using the Karvonen method. Optimize your workouts for fat burn, cardio, and peak performance.

by Launch Arcade

A reactive notepad calculator. Type math expressions and see results instantly — supports variables, functions, and unit conversions.

by grimalschi

A production planning tool for the game Star Rupture. Calculate resource chains, optimize factory layouts, and plan your builds efficiently.

by flexsurfer

Create professional invoices with line items, tax calculation, and notes. Print or save as PDF directly from the browser.

by vinay20045

Convert mouse sensitivity between FPS games. Supports CS2, Valorant, Overwatch 2, Apex, Fortnite, CoD, R6, PUBG, and more. Shows cm/360 and eDPI.

by Launch Arcade

Track daily calorie intake against a budget with meal and exercise logging.

by Pav85

Convert between binary, decimal, octal, and hexadecimal number systems.

by Launch Arcade

Solve quadratic equations and see step-by-step results.

by Launch Arcade

Personal budget dashboard with interactive charts, income and expense tracking, and real-time balance calculations.

by Fahed1401

A daily roguelike adventure you can play right in your browser. Explore procedurally generated dungeons, fight monsters, and collect loot.

by kesiev

Zoom infinitely deep into the Mandelbrot set. Zero-dependency fractal explorer with smooth infinite zoom.

by cslarsen

Classic tic-tac-toe with three AI difficulty levels.

by ramazancetinkaya

Track your menstrual cycle with this privacy-first period tracker. Log dates, predict upcoming periods, and view cycle patterns -- all data stays on your device.

by IraSoro

CPU ray tracer rendering 3D scenes with reflections, shadows, and materials in pure JavaScript.

by erichlof

WebGL wave simulator demonstrating reflection, diffraction, and interference patterns.

by openforeveryone

On-screen measurement tool with rulers in centimeters, millimeters, inches, and feet. Calibrate to your display.

by samyakrajbayar

Track your running and fitness activities. Log workouts, set goals, and watch your progress over time with charts and stats.

by namith1003

Convert Excel spreadsheets to Markdown right in your browser. Drop an .xlsx file and get clean tables, text, and images as Markdown — all processed locally, nothing uploaded.

by igapyon