Pizza or Burger

Check if a website is down for everyone or just you to ensure your site is always up and accessible to users.

Find out your IP address and get detailed IP information to help with network troubleshooting and security.

Test the response time and connectivity of any server to ensure reliable network performance and troubleshoot connectivity issues.

Look up DNS records and check domain configurations to troubleshoot network issues and improve website performance.

Free online HTTP request tester for external APIs. Test public REST APIs, send GET, POST, PUT, DELETE requests with custom headers and authentication.

Check the HTTP status code of any website to ensure it is working properly and accessible to users.

Analyze meta tags of any website to improve your SEO and search engine visibility.

Verify email server configurations and mail exchanger records to ensure your email is delivered reliably.

Measure how fast a webpage loads and analyze performance to improve your website loading speed.

Find broken links on your website automatically to ensure your site is always up to date and user-friendly.

Monitor memory usage of your web applications to optimize performance and ensure smooth operation.

Check the SSL certificate of any website to ensure it is secure and protected.

Check the redirect chain of any website to ensure it is secure and protected.

Parse and analyze XML and TXT sitemaps to view URLs, metadata, search and filter results, and export data.

Try our project management tool to effortlessly manage your to-do lists, organize tasks, boost productivity, and stay on track with your daily goals.

Try the best daily planner we believe to boost productivity with key features like to do list, time-blocking for daily planning.

Track your time spent on activities, tasks, and projects to help you stay on top of your schedule and improve your productivity.

Set browser notifications for reminders, tasks, and alerts to stay on top of your schedule.

Track and manage progress on multiple items with customizable categories, options, and completion percentages in a flexible grid interface.

Visual project management tool to organize and track work through customizable workflow stages with drag-and-drop task management.

Advanced project management with multiple board templates, team collaboration, analytics, and agile workflow support for effective sprint planning.

Track your daily habits, build streaks, and achieve your goals with our comprehensive habit tracker. Monitor progress, set reminders, and stay motivated.

Securely store and manage your passwords locally in your browser with IndexedDB. Features search, categories, import/export, and strong password generation.

Track your expenses, manage categories, set budgets, and monitor your spending with our comprehensive expense tracking tool featuring reports and analytics.

Track your daily tasks with an easy-to-use checklist. Add, edit, and check off tasks as you complete them. Never miss a task with the outstanding items feature that shows unfinished tasks from previous days.

Create flowcharts, sequence diagrams, ER diagrams, and more with Mermaid.js. Live preview, export to SVG/PNG, multiple themes, and ready-to-use templates.

Convert Mermaid diagrams to SVG images online - batch convert multiple diagrams, download as ZIP, perfect for documentation and CI/CD pipelines.

Perfect interval timer for workouts, HIIT, Tabata, circuit training, and exercise routines with customizable duration and repetitions.

Set up custom interval timers for workouts or tasks to help you stay focused and productive.

Stay productive with this customizable Pomodoro timer to help you focus and get more done in less time.

Simple, accurate stopwatch for precise timing of any activity, workout, or event with easy-to-use controls.

Create countdown timers in hours, minutes, or seconds to track events and deadlines with precision and ease.

Create countdown timers for events, holidays, and deadlines with customizable options for name, date, time and end description.

Countdown to sunrise and sunset times, helping you plan your day with accurate, real-time daylight tracking.

Fullscreen world time displaying the current time for any selected timezone, with autocomplete search.

Countdown to high and low tide times, helping you plan your day with accurate, real-time tide tracking.

Set a 1-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 2-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 3-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 4-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 5-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 10-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 15-minute timer for quick tasks, short breaks, meditation, or any activity that needs precise timing.

Set a 20-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 25-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 30-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 35-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 40-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 45-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 50-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 55-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 60-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 90-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 120-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Set a 240-minute countdown timer for longer tasks, workouts, cooking, or extended focus sessions.

Find current time in cities and countries around the world with comprehensive timezone information.

Find accurate timezone information for any location worldwide by city or region with reliable, up-to-date data.

Current time in Mountain Daylight Time (MDT) with customizable display options and fullscreen mode.

Convert Eastern Standard Time (EST) to Mountain Standard Time (MST) with interactive time picker, conversion chart, and quick reference.

Convert Mountain Standard Time (MST) to Eastern Standard Time (EST) with interactive time picker, conversion chart, and quick reference.

Convert Eastern Standard Time (EST) to Pacific Standard Time (PST) with interactive time picker, conversion chart, and quick reference.

Convert Pacific Standard Time (PST) to Eastern Standard Time (EST) with interactive time picker, conversion chart, and quick reference.

Convert Eastern Standard Time (EST) to Central Standard Time (CST) with interactive time picker, conversion chart, and quick reference.

Convert Central Standard Time (CST) to Eastern Standard Time (EST) with interactive time picker, conversion chart, and quick reference.

Convert Mountain Standard Time (MST) to Pacific Standard Time (PST) with interactive time picker, conversion chart, and quick reference.

Convert Pacific Standard Time (PST) to Mountain Standard Time (MST) with interactive time picker, conversion chart, and quick reference.

Convert Central Standard Time (CST) to Mountain Standard Time (MST) with interactive time picker, conversion chart, and quick reference.

Convert Mountain Standard Time (MST) to Central Standard Time (CST) with interactive time picker, conversion chart, and quick reference.

Convert Central Standard Time (CST) to Pacific Standard Time (PST) with interactive time picker, conversion chart, and quick reference.

Convert Pacific Standard Time (PST) to Central Standard Time (CST) with interactive time picker, conversion chart, and quick reference.

Convert Eastern Standard Time (EST) to Coordinated Universal Time (UTC) with interactive time picker, conversion chart, and quick reference.

Convert Coordinated Universal Time (UTC) to Eastern Standard Time (EST) with interactive time picker, conversion chart, and quick reference.

Convert Pacific Standard Time (PST) to Coordinated Universal Time (UTC) with interactive time picker, conversion chart, and quick reference.

Convert Coordinated Universal Time (UTC) to Pacific Standard Time (PST) with interactive time picker, conversion chart, and quick reference.

Convert Eastern Standard Time (EST) to Greenwich Mean Time (GMT) with interactive time picker, conversion chart, and quick reference.

Convert Greenwich Mean Time (GMT) to Eastern Standard Time (EST) with interactive time picker, conversion chart, and quick reference.

Convert Greenwich Mean Time (GMT) to Pacific Standard Time (PST) with interactive time picker, conversion chart, FAQ section, and quick reference.

Convert Greenwich Mean Time (GMT) to Central Standard Time (CST) with interactive time picker, conversion chart, FAQ section, and quick reference.

Convert Greenwich Mean Time (GMT) to Mountain Standard Time (MST) with interactive time picker, conversion chart, FAQ section, and quick reference.

Calculate your age in years, months, days, hours, minutes, and seconds with our age calculator.

Calculate your annual mileage and estimate fuel costs with our easy-to-use Annual Mileage Calculator.

Calculate the area of any shape instantly. Supports squares, rectangles, triangles, parallelograms, trapezoids, circles, and ellipses.

Calculate your Body Mass Index (BMI) and understand your weight category with our easy-to-use BMI calculator supporting both metric and imperial units.

Calculate calories burned during exercise and daily activities. Uses accurate MET values for over 40 activities including running, cycling, swimming, sports, and household tasks.

Calculate call center staffing needs using Erlang B or Erlang C, factoring call volume, handling time, and service level to fine tune customer wait times.

Calculate IPv4 and IPv6 subnets with CIDR notation. Determine network addresses, broadcast addresses, subnet masks, and host ranges for network planning.

Calculate how far you can travel with a given amount of fuel, or determine how much fuel you need for a specific distance.

Easily estimate your take-home pay with our free Paycheck Calculator. Calculate net pay after taxes and deductions instantly.

Calculate tips and split bills easily. Perfect for restaurants, service providers, and group expenses with customizable tip percentages.

Calculate the day of the year for any date with our easy-to-use tool.

Calculate compound interest with additional contributions and compare different investment scenarios with interactive charts.

Calculate how much money you need to contribute each month to reach your specific savings goal with compound interest calculations.

Calculate loan payments, total interest, and payoff scenarios for personal loans, auto loans, and mortgages. Compare loan options and analyze early payoff benefits.

Calculate monthly mortgage payments, PMI, amortization schedules, and analyze extra payments. Supports conventional, FHA, and VA loans with comprehensive cost analysis.

Calculate your Grade Point Average with weighted and unweighted systems, semester GPA calculation, and target GPA planning for academic success.

Calculate University of Florida weighted GPA using Florida's grading system with AP, IB, AICE, Honors, and Dual Enrollment course bonuses for admissions.

Calculate your cumulative GPA by combining previous semesters with new courses. Track your overall academic progress and plan future grades to achieve your goals.

Calculate returns on stocks, bonds, mutual funds, and other investments. Factor in dividends, fees, taxes, and analyze dollar-cost averaging scenarios.

Convert power in watts (W) to energy in kilowatt-hours (kWh). Calculate energy consumption, electricity costs, and environmental impact for appliances and devices.

Calculate battery backup time and required capacity for UPS systems, off-grid power, and emergency backup solutions with comprehensive energy analysis.

Convert frequency to wavelength using λ = c/f formula. Calculate electromagnetic wave properties for radio, microwave, and optical frequencies with different mediums.

Decode capacitor color bands to determine capacitance values, tolerance, and specifications. Supports 3, 4, and 5-band capacitors with visual color selection.

Calculate pregnancy due dates from last menstrual period or conception date. Include trimester breakdowns, important milestone dates, appointment schedules, and fetal development information.

Calculate your body fat percentage using US Navy method and BMI method. Free body fat calculator with comprehensive results, ideal ranges, and health recommendations.

Convert cubic yards to tons for construction materials, soil, gravel, and more. Free calculator with material densities for accurate volume to weight conversion.

Calculate voltage, current, resistance, and power using Ohm's Law. Free calculator with step-by-step solutions, formulas, Ohm's Law wheel, and educational content about electrical circuits.

Calculate area and square footage for rooms, houses, and irregular spaces. Support for different shapes (rectangle, circle, triangle), multiple rooms, and conversion between different area units.

Calculate with mixed numbers and fractions. Add, subtract, multiply, and divide mixed numbers with step-by-step solutions, conversions between mixed and improper fractions.

Convert improper fractions to mixed numbers with step-by-step solutions. Free calculator with detailed explanations, examples, and conversion process.

Convert mixed numbers to improper fractions with step-by-step solutions. Free calculator with detailed explanations, examples, and educational content.

Convert decimal numbers to fractions and mixed numbers with step-by-step solutions. Supports repeating decimals, simplification, and detailed conversion process.

Decompose rational functions into partial fractions with step-by-step solutions. Supports linear and quadratic factors for calculus, algebra, and integration problems.

Calculate how long or how much exercise is needed to burn fat. Estimate time to lose 1 lb/1 kg with various activities and get personalized weight loss projections based on BMR and TDEE.

Calculate your daily calorie requirements based on age, height, weight, sex, and activity level. Get personalized BMR and TDEE calculations for weight loss, maintenance, and weight gain goals.

Plan retirement savings with calculations for 401(k), IRA, and other retirement accounts. Include employer matching, inflation adjustments, withdrawal strategies, and social security projections.

Calculate business break-even points considering fixed costs, variable costs per unit, and selling price. Include margin of safety calculations, target profit analysis, and sensitivity analysis for price changes.

Calculate your YouTube earnings based on views and RPM (Revenue Per Mille). Estimate your income potential and understand how your video performance translates to actual revenue.

Convert amps to watts using the formula W = A × V. Support for DC, single-phase AC, and three-phase AC power systems with power factor adjustment.

Calculate stoichiometric relationships in chemical reactions. Parse balanced equations and determine molar ratios between reactants and products with molar mass calculations.

Generate random words for writing prompts, creative exercises, or games with categories like nouns, verbs, adjectives, and compound words. Bulk generation with export options.

Generate secure random numbers with customizable digit length (1 to 100,000 digits). Perfect for testing, security codes, games, and data generation using cryptographic randomization.

Generate random numbers within a specific range. Perfect for games, lotteries, decisions, and random selections with cryptographic security.

Generate random Mcdonald or KFC answers to help make quick decisions. Customize your options and let chance decide between two possibilities.

Generate random Coffee or Tea answers to help make quick decisions. Customize your options and let chance decide between two possibilities.

Generate random Yes or No answers to help make quick decisions. Customize your options and let chance decide between two possibilities.

Get inspired with random quotes from famous people, organized by categories like motivation, wisdom, and success.

Generate secure passwords and passphrases with various types of strong passwords, passphrases, random passwords and pin codes.

Generate random colors with hex codes and explore color theory with interactive color wheels showing complementary, triadic, analogous, and monochromatic colors.

Pick random colors from your custom palette. Add, edit, and delete colors, then randomly select one or more for your projects.

Automatically run random security checks on your web applications to identify vulnerabilities and strengthen your site's overall protection.

Easily and randomly select names from any list for giveaways, meetings, or decision-making with our simple selection tool.

Make decisions easily by entering your question and options. Let our random decision maker help you choose when you can't decide.

Generate random teams from a list of participants. Perfect for sports, group projects, or any activity requiring balanced team division.

Shuffle any list of items into random order. Perfect for randomizing presentations, playlists, or task orders with visual animation and undo functionality.

Generate random JSON data for testing, API development, and mock data creation. Customize data types, structure depth, templates, and export formats for developers and testers.

Calculate output voltage, resistor values, power dissipation, and current for voltage divider circuits used in electronics and engineering.

Decode resistor color bands to determine resistance values, tolerance, and power ratings for 4, 5, and 6-band resistors with visual representation.

Convert capacitor marking codes to values in pF, nF, and µF. Support for 3-digit codes, tolerance letters, and reverse lookup from value to code.

Convert between AWG, millimeters, inches, square mm, square inches, and circular mils. Complete AWG chart with current ratings and resistance values.

Calculate wave frequency, wavelength, and speed using f=v/λ. Support for electromagnetic waves, sound waves, and custom mediums with unit conversions.

Interactive tool for visualizing Fourier series decomposition with real-time coefficient calculation, animation, and function approximation for signal analysis.

Calculate Nyquist rate, check sampling sufficiency, analyze aliasing, and compute oversampling ratios for signal processing applications.

Calculate maximum deflection for simply supported and cantilever beams with point loads or distributed loads. Includes structural engineering formulas and design guidelines.

Calculate proper tightening torque for bolts based on material grade, preload requirements, and friction coefficients. Includes safety checks and engineering formulas.

Free professional gear ratio calculator for mechanical engineering. Calculate speed reduction, torque multiplication, compound gear trains, and mechanical advantage with real-time formulas and step-by-step solutions.

Calculate molar mass and analyze chemical formulas with detailed elemental breakdown. Supports complex formulas, hydrates, parentheses, and provides mass percentages for chemistry applications.

Calculate pressure, volume, temperature, or moles using the ideal gas law (PV = nRT). Free calculator with multiple units, step-by-step solutions, and educational content for chemistry and physics.

Calculate operational amplifier circuit parameters for inverting, non-inverting, differential, and integrator/differentiator configurations. Include gain, input/output impedance, and bandwidth calculations.

Calculate heat transfer rates for conduction, convection, and radiation. Include thermal resistance, heat exchanger analysis, and cooling calculations for engineering applications.

Calculate transformer turns ratios, primary/secondary voltages, currents, and power relationships. Include step-up/step-down calculations, impedance transformation, and efficiency calculations.

Design and analyze DC-DC converters (buck, boost, buck-boost), calculate switching frequencies, inductor/capacitor values, and efficiency for power supply design.

Calculate motor rotational speed from Hall-effect sensors, encoders, tachometers, and back-EMF measurements. Includes filtering, calibration, and performance analysis for motor control applications.

Calculate required reactive power (KVAR) for power factor correction, capacitor bank sizing, and energy savings analysis for electrical systems and industrial applications.

Convert between horsepower (HP) and kilowatts (kW) for mechanical, electrical, and metric motor ratings with efficiency and load adjustments for engineering applications.

Convert battery capacity between milliamp-hours (mAh) and watt-hours (Wh). Calculate energy storage for batteries, power banks, and electronic devices.

Convert kilowatts (kW) to kilowatt-hours (kWh) and calculate energy consumption from power and time. Estimate electricity costs for appliances and devices.

Convert kilowatt-hours (kWh) to watts and calculate average power consumption from energy and time. Understand device power ratings and energy usage patterns.

A free backlight bleed tester to check dead pixels, backlight bleeding. Test monitor, laptop, mobile screen or other display issues.

Quickly detect dead pixels, screen flicker, or backlight bleed on any monitor with our advanced display testing tool.

Spot dead pixels, color uniformity issues, or backlight bleeding fast-ensure your screen quality with our pixel checker.

Instantly check for dead pixels, backlight bleed, or display defects to guarantee flawless screen performance.

Test your monitor for dead pixels, backlight bleeding, and color inconsistencies in seconds with our display diagnostic tool.

Identify dead pixels, uneven backlighting, or screen defects easily-optimize your monitor's display quality now.

Find and fix dead pixels, backlight bleeding, or display issues using our comprehensive screen testing solution.

Ensure perfect screen quality by detecting dead pixels, backlight bleed, and other monitor issues instantly.

Diagnose dead pixels, backlight bleeding, or display problems quickly-improve your monitor's performance and viewing experience.

Uncover dead pixels, backlight bleed, or screen defects fast with our user-friendly display testing tool.

Verify your screen for dead pixels, backlight bleeding, or color issues to maintain top display performance.

Easily detect dead pixels, backlight bleed, and other screen issues to ensure your display's optimal quality.

Quickly identify and troubleshoot dead pixels, backlight bleeding, and display defects for a flawless viewing experience.

Display the local time on your screensaver, automatically adjusting to your current time zone for accurate, real-time clock display.

A screensaver that displays the current date and time. Real-time clock display on your desktop or device.

Elegant clock screensaver displaying the current time with customizable styles, perfect for adding a sleek look to your screen.

Quickly test your webcam and verify camera settings to ensure optimal video quality and proper device functionality.

Test your microphone and verify settings to ensure clear audio quality and proper device performance for free.

Test your flashlight and verify settings to ensure optimal lighting and proper device functionality for free.

Free online Morse code generator. Convert text to Morse code, e.g.: SOS in morse code, and vice versa.

View, edit, and manage your browser cookies effortlessly to control privacy, enhance security, and customize your browsing experience.

Validate credit card numbers using the Luhn algorithm to ensure they are valid and secure.

Free online tally counter with multiple counters, labels, and total calculation. Perfect for counting, tracking, and tallying various items.

Simple spacebar counter - press spacebar or click + button to count. Perfect for counting repetitions, events, or any activity.

Test your password strength and learn how secure your password is. Get real-time feedback and tips to create stronger passwords.

Generate screenshots of websites by entering a URL, with options for different device viewports (mobile, tablet, desktop) and full-page captures.

Simulate how colors appear to users with different types of color blindness to ensure designs are accessible to users with color vision deficiencies.

Track and compare weight progress for multiple users. Add, edit, and delete weight records with visual progress reports and user comparison.

Generate and download printable monthly calendars for any month and year. Perfect for planning, organizing, and printing.

Generate and download printable January 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable February 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable March 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable April 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable May 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable June 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable July 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable August 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable September 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable October 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable November 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable December 2025 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable January 2026 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable February 2026 Calendar. Perfect for planning, organizing, and printing.

Generate and download printable March 2026 Calendar. Perfect for planning, organizing, and printing.