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Password Generator UUID Generator Unix Timestamp Converter Color Converter & Contrast Checker Remove Duplicate Lines & Sort Text URL Slug Generator Number to Words Converter Roman Numeral Converter Random Number Generator Days Between Dates Calculator Countdown Timer & Stopwatch Sleep Calculator Profit Margin Calculator Image to Base64 Converter Meta Tag Generator Time Zone Converter Invoice Generator Fancy Text Generator Text Reverser & Flipper Morse Code Translator Word Frequency Counter Readability Score Checker Typing Speed Test Text Cleaner Statistics Calculator GCD & LCM Calculator Prime Number Checker Fraction Calculator Quadratic Equation Solver Number Base Converter Aspect Ratio Calculator VAT / GST / Sales Tax Calculator Savings Goal Calculator Bill Splitter & Tip Calculator Fuel Cost Calculator Calorie & TDEE Calculator Daily Water Intake Calculator Running Pace Calculator Pregnancy Due Date Calculator CSS Gradient Generator CSS Box Shadow Generator Color Contrast Checker (WCAG) UTM Link Builder HTML Entity Encoder / Decoder Chmod Permissions Calculator Robots.txt Generator Cron Expression Generator Internet Speed Test What Is My Screen Resolution & Device Info Webcam Test Microphone Test Online Voice Recorder Screen Recorder & Screenshot Keyboard Tester Click Speed Test (CPS) Online Metronome & Tap Tempo Dead Pixel Test & Screen Checker Monitor Refresh Rate Test (Hz) Online Ruler (cm & inches, actual size) Speaker & Headphone Test (Left / Right) Password Breach Checker Is Website Down? Website Status Checker SSL Certificate Checker DNS Lookup Weather Forecast Exact Time & Clock Accuracy Check EXIF Viewer & Photo Metadata Remover Barcode Generator Gamepad & Controller Tester Mouse Tester & Polling Rate Test Touch Screen Test (Multi-Touch & Dead Zones) Battery Status Checker Browser Privacy & Fingerprint Test WebRTC Leak Test (VPN IP Check) Browser Feature & Codec Support Test Computer Speed Test (Browser Benchmark) Installed Font Checker Ping Test (Latency to Game & Cloud Servers) Online Tuner (Guitar, Ukulele, Violin & Chromatic) Decibel Meter (Sound Level Meter) Audio Cutter & Trimmer Video Frame Grabber (Screenshot from Video) Image Cropper Add Watermark to Photos Color Palette Extractor (from Image) Color Blindness Simulator ZIP Creator & Extractor Live Earthquake Tracker (USGS) Air Quality Index (AQI) by City Sunrise, Sunset & Moon Phase Calculator Public Holidays by Country Domain Age & Expiry Checker (RDAP) Email Setup Checker (SPF, DKIM, DMARC, MX) Coin Flip, Dice Roller & Random Picker QR Code & Barcode Scanner Online Alarm Clock Blur & Redact Image (Hide Text and Faces) Live Cryptocurrency Prices Temp Mail — Free Disposable Email Address
Education
Homework Planner Science Simulations GPA Calculator Flashcard Generator Citation Generator Study Timer Grade Calculator Unit Converter ChemScope Periodic Table MoleMath AI Student Tools
Files & Documents
File Compressor File Converter PDF Merger Image to PDF Text Extractor Video Downloader PDF Splitter File Encryption MS File Converter eSignDoc Bulk File Organizer Excel Formula Extractor Binary Text Converter
Images
BG Remover FG Remover Color Changer Image Resizer QR Generator
Calculators
Percentage Loan EMI Mortgage Currency Converter Tax Calculator Salary Calculator Discount BMI Calculator Tip Calculator Age Calculator Compound Interest Investment Scientific Calc Graphing Calc GPA Calculator Freelance Rate Hidden Cashflow Stock Advisor Risk Simulator Zakat Calculator Sadaqah Calculator Mirath (Inheritance) All Financial Calcs Expense Tracker Add Transaction Transaction History Expense Reports Monthly Reports Category Summary Add Budget Track Debt Wishlist Tracker Expense Profile Search Transactions My Graphs Grade History
Simulations — 161 free interactive labs
Physics
Projectile Motion Simulator Pendulum Lab Simulator Wave Interference Simulator Circuit Lab (Ohm's Law) Forces & Friction Simulator Orbital Motion & Gravity Simulator Light Refraction Simulator (Snell's Law) Free Fall & Motion Graphs Inclined Plane Simulator Spring & Hooke's Law Simulator Collisions & Momentum Lab RC Circuit & Capacitor Simulator Electric Field & Charges Simulator Magnetic Field & Compass Simulator Doppler Effect Simulator Lens & Mirror Ray Diagram Double Slit & Diffraction Circular Motion & Centripetal Force Balance Beam & Torque Moving Man: Position, Velocity & Acceleration Graphs Buoyancy & Density Lab Energy Skate Park Sound Wave & Frequency Simulator Kinematics Graph Matcher (Position-Time) Work & Energy Simulator Bernoulli's Principle & Fluid Flow Thermal Expansion & Bimetal Strip Center of Mass & Balance Ohm's Law Simulator (V = IR) Resistance in a Wire (R = ρL/A) Gravity Force Lab Under Pressure: Fluid Pressure & Depth Forces and Motion: Newton's Second Law John Travoltage: Static Electricity & Sparks Balloons & Static Electricity Magnet & Compass: Magnetic Field Lines Faraday's Law & Generator Lab Waves Intro: String Waves Fourier: Making Waves Normal Modes: Coupled Oscillators Density Lab: Mass, Volume & Identify the Material AC Circuits: Resistor, Capacitor & Inductor Coulomb's Law: Force Between Charges Charges and Fields: Electric Field & Voltage Hooke's Law: Springs and Forces Masses and Springs: Bounce Lab Capacitor Lab: Basics Projectile Data Lab: Air Resistance & Target Practice Magnets and Electromagnets Color Vision: How We See Colour Circuit Construction Kit: DC & AC Virtual Lab Energy Forms and Changes: Heat Transfer Bending Light: Refraction, Reflection & Prism Balancing Act: Torque & Seesaw Sound Waves: Two Speakers & Interference Ladybug Motion 2D: Velocity & Acceleration Vectors Collision Lab: 2D Momentum & Kinetic Energy Resonance Lab: Driven Oscillators Torque & Rotational Inertia Lab Lunar Lander: Land Softly Physics Game
Engineering
Gear Train Simulator Pulley System Simulator Car Transmission & Gear Ratio Simulator Truss Bridge Builder & Load Tester LED Circuit Designer & Resistor Calculator Spring-Damper Vibration & Resonance Beam Bending & Stress Simulator 4-Stroke Engine & Otto Cycle Hydraulic Press & Pascal's Principle Wind Turbine Power Simulator Solar Panel Angle & Power Simulator HVAC & Heat Pump Simulator Rocket Thrust & Launch Simulator
Chemistry
Gas Laws Simulator Molarity & Dilution Simulator pH Scale Simulator States of Matter Simulator Acid-Base Lab (HCl & NaOH) Molecule Polarity Simulator Limiting Reagent & Stoichiometry Calculator Periodic Trends Explorer Buffer Solution Simulator Solubility Curve Explorer Atomic Interactions: Lennard-Jones Potential Molecules and Light: Greenhouse Effect
Chemistry Labs
Acid-Base Titration Simulator Precipitation Reactions Lab Heating Curve Experiment Distillation Setup Lab Paper Chromatography & Rf Values Calorimetry & Specific Heat Lab Beer's Law Lab: Absorbance & Concentration
Atomic & Quantum
Atom Builder (Isotopes & Ions) Bohr Model of Hydrogen Atomic Orbital Visualizer (s, p, d) Photoelectric Effect Simulator Emission Spectrum Viewer Blackbody Spectrum & Wien's Law Quantum Wave Interference (Double Slit) Quantum Coin Toss (Superposition) Quantum Measurement: Stern-Gerlach Experiment Build a Nucleus: Protons, Neutrons & Stability Rutherford Scattering: Discovering the Nucleus Radioactive Decay & Half-Life Simulator Isotopes & Average Atomic Mass Mixer
Reactions & Kinetics
Chemical Equation Balancer Reaction Rate Simulator Collision Theory Simulator Chemical Equilibrium Simulator Catalyst & Activation Energy Enthalpy & Activation Energy Diagram Le Chatelier's Principle (Haber Process) Reaction Mechanism & Rate-Determining Step Organic Reaction Pathways Game
Molecules
Molecule Builder Molecule Shapes (VSEPR) Ionic vs Covalent Bonds 3D Molecule Viewer Orbital Hybridization (sp, sp², sp³) Resonance Structures & Delocalisation
Electrochemistry
Galvanic Cell (Voltaic Cell) Electrolysis of Water Redox Tracker (Oxidation Numbers) Electroplating Cell & Faraday's Law
Real-World Chemistry
Climate Chemistry: CO₂ & Temperature Water Purification Stages Ocean Acidification Simulator
Biology
Natural Selection Simulator Punnett Square Calculator Predator-Prey Population Simulator Diffusion & Osmosis Simulator Enzyme Activity Simulator DNA Replication Game Neuron Firing Simulator Heart Pump & Cardiac Cycle Photosynthesis & Limiting Factors
Earth & Space
Moon Phases Simulator Gravity & Orbits Sandbox Plate Tectonics & Earthquakes Weather & Cloud Formation Simulator Solar System Builder & Kepler's Laws Kepler's Laws of Planetary Motion Greenhouse Effect & Earth's Energy Balance
Math
Quadratic Function Explorer Unit Circle & Trig Explorer Linear Equation Explorer (y = mx + b) Probability Lab (Coins & Dice) Derivative Visualizer Integral & Area Under Curve Geometric Transformations 3D Geometry Viewer (Volume & Surface Area) Vector Addition Simulator Curve Fitting: Best-Fit Line & Regression Calculus Grapher: Derivative & Integral Plinko Probability: Galton Board Fraction Builder: Compare, Add & Equivalent Fractions Area Model Multiplication & the Distributive Property Central Limit Theorem: Sampling Distribution Simulator Sine & Cosine Wave Explorer: Amplitude, Period, Phase Exponential Growth & Decay Explorer
Intro to Design
Color Theory Lab
AI Tools
AI Assistant AI Chat Code Assistant Project Maker Deep Research AI Summarizer Paraphraser AI Translator Transcription Student AI Tools Finance AI Tools AI Apps Saved Chats AI Settings
Text & Writing
Word Counter Case Converter Paraphraser Summarizer Find & Replace Diff Checker Lorem Ipsum Text to Speech
Dev Tools
JSON Formatter Base64 URL Encoder HTML Formatter CSS Minifier Regex Tester Hash Generator JWT Decoder Markdown Editor My IP / Location Notes App DNA Analyzer Group Analyzer Virtual Keyboards Arabic Keyboard Urdu Keyboard Hindi Keyboard Persian Keyboard Hebrew Keyboard Russian Keyboard Chinese Keyboard Japanese Keyboard Korean Keyboard Turkish Keyboard Bengali Keyboard Greek Keyboard Thai Keyboard Amharic Keyboard Georgian Keyboard Armenian Keyboard JSON Formatter+ World Law Compare World Law Cases World Law Timeline Driving Leaderboard Element List Element Search Element Compare Element Quiz
SEO & Web Tools
SEO Analyzer Website Speed Test Keyword Research Internal Links Cannibalization Crawl Depth Thin Content SERP Title Checker Indexation Checker Redirect Chains Anchor Text Sitemap vs Crawl Tech Stack Detector Keyword CPC Calc
Religion
Prayer Times Athan Qibla Direction Quran Reader Quran Search Halal Scanner Hadith Search Masjid Finder Ramadan Tracker Islamic Calendar Dua Generator Zakat Calculator Tasbih Counter Bayan Creator Halal/Haram Halal Name Search Halal Manual Check Halal Product Lookup Halal Restaurants Sadaqah Calculator Mirath (Inheritance) Tawaf Guide Ihram Checklist Eid Guide Quran Video Generator Mushaf Reader Jihad in Islam Bible Verse Finder Christian Holidays Bible Timeline Church Finder Hebrew Calendar Shabbat Times Torah Search Jewish Holidays Talmud Search Festival Reminder Temple Finder Yoga Pose Guide Gita Verse Search Buddhist Calendar Buddhist Teachings Buddhist Temple Finder
News
All News Technology AI & Innovation World News Finance News Islamic News Sports Science Health Business Politics Entertainment Education News
Games
All Games (14K+) Snake 2048 Tetris Chess Sudoku Flappy Bird Wheel of Names Dino Run Whack-a-Mole Pinball Minesweeper Messages Forum Spaces
Services
Web Development Tax Filing Business Solutions Book Appointment All Services Contact Us About Us Tax Dashboard My Appointments Admin Appointments Saved Chats AI Settings

What Our Team Says

Meet the experts behind AZRS Corp

Working at AZRS Corp has been an incredible journey. Building these free tools and helping thousands of users achieve their goals is truly rewarding. Our commitment to quality and user experience drives everything we do.
SY

Shahzain Y.

Lead Developer

At AZRS Corp, we focus on creating real value for our users. Seeing students use our homework planner and professionals benefit from our calculators makes all the hard work worthwhile. We're building something special here.
AK

Aruba K.

Business Strategist

The best part about AZRS Corp is our mission to make powerful tools accessible to everyone for free. Managing operations and seeing our user base grow every day motivates me to keep improving our services.
US

Uzma S.

Operations Manager

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Homework Planner
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Image→PDF
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Video DL
PDF Splitter
File Encrypt
BG Remover
FG Remover
Color Changer
Img Resizer
QR Code
Percentage
Loan EMI
Mortgage
Tax Calc
Salary
Currency
BMI
Tip Calc
Compound Int.
Translator
Summarizer
Transcription
AI Chat
Project Maker
Paraphraser
Word Counter
Case Converter
Paraphraser
Summarizer
Text Extractor
Find & Replace
Diff Checker
Text to Speech
Lorem Ipsum
JSON Format
Base64
Regex Tester
My IP
Notes App
Stock Advisor
Risk Simulator
CSV↔JSON
XML↔JSON
Base64
URL Encode
Binary↔Text
MoleMath
ChemScope
Periodic Table
SEO Analyzer
Speed Test
Keywords
Internal Links
Cannibalization
Tech Stack
Islam Home
Prayer Times
Quran Reader
Halal/Haram
Christianity
All Religions
Prayer Times
Athan
Qibla
Tasbih
Halal Scanner
Zakat Calc
Masjid Finder
Ramadan
Quran Reader
Hadith
Flappy Bird
Snake
Chess
2048
Tetris
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Finance News
Sports
Science
Health
Web Dev
Tax Services
Business
Book Appt
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Password Generator
UUID Generator
Unix Timestamp Converter
Color Converter & Contrast Checker
Remove Duplicate Lines & Sort Text
URL Slug Generator
Number to Words Converter
Roman Numeral Converter
Random Number Generator
Days Between Dates Calculator
Countdown Timer & Stopwatch
Sleep Calculator
Profit Margin Calculator
Image to Base64 Converter
Meta Tag Generator
Time Zone Converter
Invoice Generator
Fancy Text Generator
Text Reverser & Flipper
Morse Code Translator
Word Frequency Counter
Readability Score Checker
Typing Speed Test
Text Cleaner
Statistics Calculator
GCD & LCM Calculator
Prime Number Checker
Fraction Calculator
Quadratic Equation Solver
Number Base Converter
Aspect Ratio Calculator
VAT / GST / Sales Tax Calculator
Savings Goal Calculator
Bill Splitter & Tip Calculator
Fuel Cost Calculator
Calorie & TDEE Calculator
Daily Water Intake Calculator
Running Pace Calculator
Pregnancy Due Date Calculator
CSS Gradient Generator
CSS Box Shadow Generator
Color Contrast Checker (WCAG)
UTM Link Builder
HTML Entity Encoder / Decoder
Chmod Permissions Calculator
Robots.txt Generator
Cron Expression Generator
Internet Speed Test
What Is My Screen Resolution & Device Info
Webcam Test
Microphone Test
Online Voice Recorder
Screen Recorder & Screenshot
Keyboard Tester
Click Speed Test (CPS)
Online Metronome & Tap Tempo
Dead Pixel Test & Screen Checker
Monitor Refresh Rate Test (Hz)
Online Ruler (cm & inches, actual size)
Speaker & Headphone Test (Left / Right)
Password Breach Checker
Is Website Down? Website Status Checker
SSL Certificate Checker
DNS Lookup
Weather Forecast
Exact Time & Clock Accuracy Check
EXIF Viewer & Photo Metadata Remover
Barcode Generator
Gamepad & Controller Tester
Mouse Tester & Polling Rate Test
Touch Screen Test (Multi-Touch & Dead Zones)
Battery Status Checker
Browser Privacy & Fingerprint Test
WebRTC Leak Test (VPN IP Check)
Browser Feature & Codec Support Test
Computer Speed Test (Browser Benchmark)
Installed Font Checker
Ping Test (Latency to Game & Cloud Servers)
Online Tuner (Guitar, Ukulele, Violin & Chromatic)
Decibel Meter (Sound Level Meter)
Audio Cutter & Trimmer
Video Frame Grabber (Screenshot from Video)
Image Cropper
Add Watermark to Photos
Color Palette Extractor (from Image)
Color Blindness Simulator
ZIP Creator & Extractor
Live Earthquake Tracker (USGS)
Air Quality Index (AQI) by City
Sunrise, Sunset & Moon Phase Calculator
Public Holidays by Country
Domain Age & Expiry Checker (RDAP)
Email Setup Checker (SPF, DKIM, DMARC, MX)
Coin Flip, Dice Roller & Random Picker
QR Code & Barcode Scanner
Online Alarm Clock
Blur & Redact Image (Hide Text and Faces)
Live Cryptocurrency Prices
Temp Mail — Free Disposable Email Address
Projectile Motion Simulator
Pendulum Lab Simulator
Wave Interference Simulator
Circuit Lab (Ohm's Law)
Forces & Friction Simulator
Orbital Motion & Gravity Simulator
Light Refraction Simulator (Snell's Law)
Free Fall & Motion Graphs
Inclined Plane Simulator
Spring & Hooke's Law Simulator
Collisions & Momentum Lab
RC Circuit & Capacitor Simulator
Electric Field & Charges Simulator
Magnetic Field & Compass Simulator
Doppler Effect Simulator
Lens & Mirror Ray Diagram
Double Slit & Diffraction
Circular Motion & Centripetal Force
Balance Beam & Torque
Moving Man: Position, Velocity & Acceleration Graphs
Buoyancy & Density Lab
Energy Skate Park
Sound Wave & Frequency Simulator
Kinematics Graph Matcher (Position-Time)
Work & Energy Simulator
Bernoulli's Principle & Fluid Flow
Thermal Expansion & Bimetal Strip
Center of Mass & Balance
Ohm's Law Simulator (V = IR)
Resistance in a Wire (R = ρL/A)
Gravity Force Lab
Under Pressure: Fluid Pressure & Depth
Forces and Motion: Newton's Second Law
John Travoltage: Static Electricity & Sparks
Balloons & Static Electricity
Magnet & Compass: Magnetic Field Lines
Faraday's Law & Generator Lab
Waves Intro: String Waves
Fourier: Making Waves
Normal Modes: Coupled Oscillators
Density Lab: Mass, Volume & Identify the Material
AC Circuits: Resistor, Capacitor & Inductor
Coulomb's Law: Force Between Charges
Charges and Fields: Electric Field & Voltage
Hooke's Law: Springs and Forces
Masses and Springs: Bounce Lab
Capacitor Lab: Basics
Projectile Data Lab: Air Resistance & Target Practice
Magnets and Electromagnets
Color Vision: How We See Colour
Circuit Construction Kit: DC & AC Virtual Lab
Energy Forms and Changes: Heat Transfer
Bending Light: Refraction, Reflection & Prism
Balancing Act: Torque & Seesaw
Sound Waves: Two Speakers & Interference
Ladybug Motion 2D: Velocity & Acceleration Vectors
Collision Lab: 2D Momentum & Kinetic Energy
Resonance Lab: Driven Oscillators
Torque & Rotational Inertia Lab
Lunar Lander: Land Softly Physics Game
Gear Train Simulator
Pulley System Simulator
Car Transmission & Gear Ratio Simulator
Truss Bridge Builder & Load Tester
LED Circuit Designer & Resistor Calculator
Spring-Damper Vibration & Resonance
Beam Bending & Stress Simulator
4-Stroke Engine & Otto Cycle
Hydraulic Press & Pascal's Principle
Wind Turbine Power Simulator
Solar Panel Angle & Power Simulator
HVAC & Heat Pump Simulator
Rocket Thrust & Launch Simulator
Gas Laws Simulator
Molarity & Dilution Simulator
pH Scale Simulator
States of Matter Simulator
Acid-Base Lab (HCl & NaOH)
Molecule Polarity Simulator
Limiting Reagent & Stoichiometry Calculator
Periodic Trends Explorer
Buffer Solution Simulator
Solubility Curve Explorer
Atomic Interactions: Lennard-Jones Potential
Molecules and Light: Greenhouse Effect
Acid-Base Titration Simulator
Precipitation Reactions Lab
Heating Curve Experiment
Distillation Setup Lab
Paper Chromatography & Rf Values
Calorimetry & Specific Heat Lab
Beer's Law Lab: Absorbance & Concentration
Atom Builder (Isotopes & Ions)
Bohr Model of Hydrogen
Atomic Orbital Visualizer (s, p, d)
Photoelectric Effect Simulator
Emission Spectrum Viewer
Blackbody Spectrum & Wien's Law
Quantum Wave Interference (Double Slit)
Quantum Coin Toss (Superposition)
Quantum Measurement: Stern-Gerlach Experiment
Build a Nucleus: Protons, Neutrons & Stability
Rutherford Scattering: Discovering the Nucleus
Radioactive Decay & Half-Life Simulator
Isotopes & Average Atomic Mass Mixer
Chemical Equation Balancer
Reaction Rate Simulator
Collision Theory Simulator
Chemical Equilibrium Simulator
Catalyst & Activation Energy
Enthalpy & Activation Energy Diagram
Le Chatelier's Principle (Haber Process)
Reaction Mechanism & Rate-Determining Step
Organic Reaction Pathways Game
Molecule Builder
Molecule Shapes (VSEPR)
Ionic vs Covalent Bonds
3D Molecule Viewer
Orbital Hybridization (sp, sp², sp³)
Resonance Structures & Delocalisation
Galvanic Cell (Voltaic Cell)
Electrolysis of Water
Redox Tracker (Oxidation Numbers)
Electroplating Cell & Faraday's Law
Climate Chemistry: CO₂ & Temperature
Water Purification Stages
Ocean Acidification Simulator
Natural Selection Simulator
Punnett Square Calculator
Predator-Prey Population Simulator
Diffusion & Osmosis Simulator
Enzyme Activity Simulator
DNA Replication Game
Neuron Firing Simulator
Heart Pump & Cardiac Cycle
Photosynthesis & Limiting Factors
Moon Phases Simulator
Gravity & Orbits Sandbox
Plate Tectonics & Earthquakes
Weather & Cloud Formation Simulator
Solar System Builder & Kepler's Laws
Kepler's Laws of Planetary Motion
Greenhouse Effect & Earth's Energy Balance
Quadratic Function Explorer
Unit Circle & Trig Explorer
Linear Equation Explorer (y = mx + b)
Probability Lab (Coins & Dice)
Derivative Visualizer
Integral & Area Under Curve
Geometric Transformations
3D Geometry Viewer (Volume & Surface Area)
Vector Addition Simulator
Curve Fitting: Best-Fit Line & Regression
Calculus Grapher: Derivative & Integral
Plinko Probability: Galton Board
Fraction Builder: Compare, Add & Equivalent Fractions
Area Model Multiplication & the Distributive Property
Central Limit Theorem: Sampling Distribution Simulator
Sine & Cosine Wave Explorer: Amplitude, Period, Phase
Exponential Growth & Decay Explorer
Color Theory Lab