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Days Between Dates Calculator
Countdown Timer & Stopwatch
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Daily Water Intake Calculator
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CSS Gradient Generator
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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
Recipe Unit Converter & Scaler
Travel Packing List Generator
Moving Checklist Generator
Habit Tracker
20-20-20 Eye Break Timer
Business Card Maker
PDF Page Numbers & Bates Stamper
Photo Collage & Grid Maker
GIF Maker from Images
Audio Format Converter
Duplicate File Finder
Rent vs Buy Calculator
Grocery Price Comparison Calculator
Body Fat Percentage Calculator
Debt Payoff Calculator (Snowball vs Avalanche)
Shopping List & Budget Tracker
White Noise & Focus Sound Generator
Breathing Exercise Timer
Blue Light Filter & Screen Dimmer
Digital Magnifier (Camera Zoom)
Voice Typing (Speech to Text)
Random Name & Username Generator
ASCII Art Generator
Website Favicon Maker
Meme Generator
Signature Generator
Handwriting Practice Sheet Generator
Printable Calendar & Planner Generator
Braille Translator
NATO Phonetic Alphabet Translator
PDF Page Organizer (Reorder, Rotate & Delete)
Resume / CV Builder + ATS Score Checker
Subtitle Editor & Generator (SRT/VTT)
Contract/PDF Redline Diff Viewer
YouTube Thumbnail Downloader
Social Share Preview Simulator (Open Graph)
Robots.txt & Sitemap.xml Validator
DNS Propagation Checker
Unit Price Comparator (Cost Per Weight/Volume/Item)
Favicon Generator (Multi-Size ICO & PNG)
JSON Formatter, Validator & Beautifier
Regex Tester with Live Match Highlighting
Markdown Live Editor & Previewer
SVG Optimizer & Minifier
Image Format Converter (PNG, JPG, WebP, GIF, BMP)
CSV ⇄ JSON Converter
Binary / Hex / ASCII Text Translator
CSS clamp() Fluid Typography Calculator
CSS Flexbox Playground & Generator
Event Countdown Page Creator
Secret Note Link Generator
Random Quote Generator
Mind Map & Outline Builder
Quick Sketch & Whiteboard
Oven Temperature & Cooking Converter
Tabata / HIIT Interval Timer
Random Team & Group Generator
Resistor Color Code Calculator
Meeting Time Planner Across Time Zones
Appliance Electricity Cost Calculator
Rarity Score — How Rare Are You?
Life in Numbers — How Much of Your Life You've Used
Broke Score — How Broke Are You Really?
Brain Type Quiz — Fast Thinker, Overthinker or Creative Chaos?
Smarter Than Average Quiz
Where Should You Live? Personality Archetype Match
One Sentence About Your Life
Compare Yourself to the World
Time Wasted on Phone — Lifetime Calculator
Future Net Worth Simulator — Spend vs Invest
Focus Score Test — Real Timed Attention Test
Sleep Debt Calculator — Real Nights Owed
Text Personality Analyzer
Subscription Cost Reality Check
Move-Out Readiness Score
Rideshare Driver Profit Reality Check
Overthinking Score — Rumination Self-Check
Digital Life Report — Brain Performance Score
Hourly to Salary Calculator (After Tax)
Rent Affordability Calculator — How Much Rent Can I Afford?
EV Charging Cost Calculator
Amazon FBA Profit Calculator
Paycheck Frequency Comparison Calculator
Overtime Pay Calculator (Time and a Half)
Credit Card Payoff Calculator — Minimum vs Bigger Payment
Phone Storage Calculator — How Many Photos & Videos Fit
Typing / Data Entry Job Earnings Calculator
Startup Cost Calculator — Itemized Business Launch Budget
eBay Fee Calculator
Etsy Fee Calculator
PayPal vs Stripe Fee Calculator
Poshmark Fee Calculator
Mercari Fee Calculator
Walmart Marketplace Fee Calculator
Shopify Transaction Fee Calculator
DoorDash / Uber Eats Commission Calculator
Markdown to PDF Converter
Subnet / CIDR Calculator
Inflation Calculator
Photo Background Blur
Image Upscaler & Sharpener
Disposable Email Checker
Diceware Passphrase Generator
IBAN Validator
Credit Card Number Validator (Luhn Test)
HTTP Status Code Reference
MAC Address Lookup & Formatter
Word Search Puzzle Generator
XML Sitemap Generator
JavaScript Minifier & Beautifier
SVG to PNG / JPG Converter
Storage Unit Converter (KB/MB/GB/TB)
Shoe & Clothing Size Converter
Paper Size Reference & Comparison
Regex Pattern Library & Tester
PPI / DPI Calculator
File Hash & Checksum Verifier
Business Days Calculator
Color-Blind-Safe Palette Generator
Screen Color Picker (Eyedropper)
Excel/Sheets Formula Explainer
Which File Format Should I Use?
Big Mac Index Currency Comparator
Image Noise Reducer (Denoiser)
Audio Recording Quality Checker
PDF to Images (PNG) Converter
PDF Form Filler
PDF Splitter by Text Match
PDF Permanent Redaction Tool
Password-Protected ZIP Creator & Extractor
Video to GIF Converter
UPC / Barcode Product Lookup
Live UV Index & Sun Safety Calculator
Planet Visibility Tonight
SSL Certificate Batch Checker
Live Aircraft Tracker Near You
Audio Pitch & Tempo Changer
Video Watermark Tool
Password Strength & Crack-Time Checker
Meeting Cost Calculator
CSV to SQL INSERT Generator
AI Text Detector
Paraphrasing Tool
AI Humanizer
3D Model Viewer & Analyzer (STL, OBJ, 3MF, STEP…)
G-code Viewer & Print Time Estimator
3D Print Cost Calculator
Filament Weight ⇄ Length Converter
Layer Height & Nozzle Settings Calculator
CAD Unit & Drawing Scale Converter
STL ⇄ OBJ 3D Model Converter
STEP / STP to STL Converter
STEP / IGES to OBJ & GLB Converter
STL to STEP Converter (Mesh to Solid)
3MF ⇄ STL Converter
PLY / OFF / AMF / GLB / FBX / 3DS to STL Converter
STL Repair Tool & Mesh Checker
STL Scale, Rotate, Mirror & Unit Fix Tool
STL Merge, Split & Cut Tool
STL Hollow Tool — Hollow Out Models & Save Resin
STL Overhang & Support Checker
3D Print Orientation Optimizer
G-code Print Time & Filament Cost Estimator
G-code Editor & Inspector — Insert Pauses, M600, Strip Comments
G-code to SVG / PNG / DXF Toolpath Converter
3D Printer Calibration G-code Generator
Resin 3D Print Calculator — Exposure, Time & Cost
Heat-Set Insert, Screw Hole & 3D-Print Tolerance Chart
DXF ⇄ SVG Converter
SVG to DXF Converter with Unit & Scale Control
Onshape Export Format Helper — Which Format for What?
ISO 286 Fit & Tolerance Calculator (H7/g6, H7/p6…)
Thread & Fastener Chart — Tap Drill, Clearance, Counterbore
Gear Calculator & Involute Gear SVG/DXF/STL Generator
Beam Deflection & Stress Calculator (with Diagrams)
Second Moment of Area & Section Properties Calculator
Compression Spring Design Calculator
Material Weight Calculator (Steel, Aluminium, Plastics, Wood…)
Sheet Metal Bend Allowance & K-Factor Calculator
mm ⇄ Inch Fraction & Tolerance Converter
Bolt Circle & Hole Pattern Coordinate Generator
CNC Machining Cost & Time Estimator
Laser Cutting Cost & Time Estimator (SVG/DXF)
Laser Cut Box Generator (Finger Joints & Living Hinge)
Lithophane Generator — Photo to 3D Printable STL
Heightmap / Image to STL Relief Generator
SVG to STL Extruder (Logo / Silhouette to 3D)
3D Text & QR Code STL Generator
Parametric Bracket, Standoff & Spacer Generator
Gridfinity Bin & Baseplate Generator
Pegboard Panel & Peg Hook Generator
Onshape FeatureScript Snippet Library & Cheat Sheet
Onshape Sketch Constraints, Shortcuts & Troubleshooting Guide
Onshape to Slicer 3D Printing Workflow Guide
Engineering Drawing Checklist — Title Block, Views, Dimensions
3D Model to GIF, PNG & Video Preview Maker (Turntable)
STL Simplifier & Smoother (Reduce Triangles, Decimate)
STL Boolean Tool (Union, Subtract, Intersect)
Add Text, Logo or Base Plate to an STL
Online STL Slicer Preview — Layers, Print Time & Filament Estimate
3D-Printable Screw Thread Generator (Bolts, Nuts, Lead Screws)
Print-in-Place Hinge Generator & Snap-Fit Calculator
3D-Printable Box with Lid Generator
Keychain & Name Tag STL Maker
Bearing, Magnet & Nut Pocket Size Calculator for 3D Printing
Stepper Steps per mm, Belt Length & Pulley Calculator
Arduino, ESP32, Pico & ESP8266 Pinout Reference
PCB Trace Width, Via Current & Microstrip Impedance Calculator
Laser Power/Speed Test Grid, Kerf Test & Material Safety Guide
2D Truss Solver — Member Forces, Reactions & Deflections
Mohr's Circle Calculator — Principal Stresses & Stress Transformation
Bolt Torque, Preload & Strength Calculator (ISO Metric)
Fillet Weld Size & Strength Calculator (AISC & Eurocode)
Engineering Unit Converter with Unit Expressions (psi, MPa, N·m, lbf·ft…)
Composite Section Moment of Inertia Calculator (Centroid, Ix, Iy, Section Modulus)
Heat Sink & Thermal Resistance Calculator
Pipe Flow & Pressure Drop Calculator (Darcy–Weisbach)
Tolerance Stack-Up Calculator (Worst Case, RSS & Monte Carlo)
Feet & Inches Calculator (Add, Subtract, Multiply, Divide Fractions)
GD&T Symbols Reference & Feature Control Frame Builder
Surface Finish Converter & Chart (Ra, Rz, RMS, N Grades, µin)
Laser Cutter SVG & DXF Cleaner (Join Paths, Remove Duplicates, Order Cuts)
Online DXF Viewer with Measure Tool, Layers & Shape Properties
Image to SVG / DXF Vector Tracer for Laser & CNC
PDF Drawing to DXF / SVG Vector Extractor
STL Weight, Centre of Mass & Moment of Inertia Calculator
STL Cross-Section to DXF / SVG Outline (Slice at Any Height)
STL Wall Thickness Checker (Thin-Wall Heat Map)
STL to 2D Drawing — Top, Front & Side Views to SVG / DXF
Mouse Ears Generator — Anti-Warp Pads for STL Files
Gyroid Lattice Generator (TPMS Blocks for 3D Printing)
3D Printable Gear Generator — Spur, Helical & Herringbone STL
Knob & Thumb Screw Generator (Nut Trap, D-Shaft) STL
DXF to STL Extruder — 3D Print from a DXF Drawing
Laser & CNC Nesting Tool — Pack Parts onto Sheets (SVG/DXF)
SVG / DXF Path Offset & Kerf Compensation Tool
3D Print Troubleshooting Guide — Fix Stringing, Warping & More
Filament Chooser — PLA vs PETG vs ABS vs ASA vs TPU vs Nylon
Extruder E-Steps, Rotation Distance & Flow Rate Calibration Calculator
3D Print Tolerance & Clearance Test Generator (STL)
Keyway & Parallel Key Size Chart and Torque Calculator (DIN 6885)
O-Ring Groove & Gland Design Calculator (Squeeze, Fill, Stretch)
Drawing Sheet Border & Title Block Generator (A4–A0, ANSI) SVG / DXF
Primitive Shapes STL Generator — Cube, Sphere, Cylinder, Torus & More
Isometric, Dot & Graph Grid Paper Generator (Printable PDF-Ready)
Push-Up Coach with Voice
Custom Workout Builder with Voice Coach
One-Rep Max (1RM) Calculator
Heart Rate Zones Calculator
Camera Push-Up Counter (AI)
Camera Squat Counter (AI)
Camera Sit-Up & Crunch Counter (AI)
Camera Pull-Up Counter (AI)
Camera Jumping Jack Counter (AI)
Plank Timer with Form Check (Camera)
Camera Lunge Counter (AI)
Camera Burpee Counter (AI)
Camera Jump Rope Counter (AI)
Camera High Knees & Mountain Climber Counter (AI)
Yoga Pose Checker (Camera)
Desk Posture Checker (Camera)
Workout Generator (Muscle, Equipment & Time)
Rep & Set Tracker
Rest Timer with Voice
Workout Log & History Tracker
7-Day & 30-Day Fitness Challenge Tracker
Voice Counter (Count Out Loud)
Pronunciation Practice (Listen, Speak, Score)
Text Reader with Highlighted Words
Calories Burned Calculator (37 Activities)
Macro Calculator (Protein, Carbs & Fat)
Ideal Weight Calculator (4 Formulas)
Steps to Distance Calculator
Protein Intake Calculator
Exercise Library with Animations
Interactive Muscle Map
Stretching Guides with Animations
Stretch Routine Guide (Voice Coached)
Beginner Workout Plans (4-8 Weeks)
Diet & Meal Planner with Shopping List
Fitness Blog & Guides
Camera Workout Mode (AI Circuit Coach)
Fitness Tools Hub (Find Any Tool by Goal)
Boxing Punch Counter (Camera)
Kick Counter (Camera)
Basketball Shot Counter (Camera)
Left-Right Balance & Symmetry Test (Camera)
Mobility Screening Test (Camera)
Golf Swing Analyzer (Video)
Tennis Stroke Analyzer (Video)
Cricket Batting & Bowling Analyzer (Video)
Gentle Rehab Routines: Back, Knee, Shoulder & Pregnancy
Senior Chair Exercises & Balance Tests
Kids PE Challenges & Class Scoreboard
Desk Exercise Reminder for Office Workers
Weight & Body Measurements Tracker
Progress Photos with Before/After Slider
Personal Records (PR) Board
Deload & Recovery Readiness Advisor
Weekly Workout Planner
12-Week Workout Programs (Strength, Fat Loss, Muscle)
GPS Run Tracker with Map
Run/Walk Interval Timer & Couch to 5K
Cycling Calculators: Speed, Power, Gears & FTP
Swimming Calculators: Pace, Laps, Calories & CSS
AMRAP & EMOM Workout Timer
Strength Standards Calculator
Barbell Plate Calculator
Warm-Up Sets Calculator
DOTS & Wilks Calculator
Weight Loss Timeline Calculator
FFMI Calculator (Fat-Free Mass Index)
Waist-to-Height & Waist-to-Hip Ratio Calculator
Strength Program Calculator (5/3/1, 5x5, Heavy-Light-Medium)
Race Time Predictor & Training Paces
Pace Band & Split Calculator
VO2 Max Calculator (4 Methods)
Sweat Rate Calculator
Food Calorie & Macro Lookup + Daily Diary
Pedometer (Step Counter) for Your Phone
Boxing & MMA Round Timer
Yoga Flow Builder (Voice & 3D Guided)
Meditation Timer with Guided Breathing & Bells
Running Cadence & Music BPM Calculator
Fitness Test Scorecard (Push-ups, Sit-ups, Plank, Run)
Biceps Curl Counter (Camera)
Shoulder Press Counter (Camera)
Lateral & Front Raise Counter (Camera)
Glute Bridge Counter (Camera)
Leg Raise Counter (Camera)
Triceps Dip Counter (Camera)
Hip Hinge & Deadlift Counter (Camera)
Wall Sit Timer (Camera)
7-Minute Workout (Voice Guided)
10-Minute Abs Workout (Voice Guided)
Glute Workout at Home (Voice Guided)
Arm Workout No Equipment (Voice Guided)
Leg Day at Home (Voice Guided)
Quiet Cardio Workout (No Jumping)
Chest & Shoulder Workout at Home (Voice Guided)
Back Workout at Home (Voice Guided)
Dumbbell Full Body Workout (Voice Guided)
Dynamic Warm-Up Routine (Voice Guided)
Strength Workout for Runners (Voice Guided)
Morning Energy Workout (Voice Guided)
Exercise Timer with Voice (Your Own Exercises)
Clean Jokes Teller
Riddles with Answers
Truth or Dare Generator
Never Have I Ever Questions
Would You Rather Questions
Silly Would You Rather
Tongue Twister Challenge
Undercover Word Game
Who Am I? Guessing Game
Category Rush Game
Pass the Bomb Game
Mafia Role Dealer
Team Trivia Battle
Housie Tambola Number Caller
Party Bingo Cards
How Well Do You Know Me?
Girls' Night Party Games
Two Truths and a Lie
Group Story Builder
Pictionary Word Generator
Rapid Fire Questions
Five in a Row (Gomoku)
Mancala (Kalah)
Sticks Game (Nim)
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
Special Relativity: Time Dilation & Length Contraction Lab
Polarization of Light: Malus's Law Lab
Gyroscopic Precession Lab
Diffraction Grating & Spectrometer Lab
Kirchhoff's Rules: Multi-Loop Circuit Lab
Telescope & Microscope: Compound Optics Lab
Thin-Film Interference Lab
Standing Waves on a String: Tension & Harmonics Lab
Conservation of Angular Momentum: Spinning Disks & Skater Lab
Electric Potential & Equipotential Lines Lab
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
Gear Train & Mechanical Advantage Designer
Structural Column Buckling Lab (Euler)
Digital Filter Designer: Low-Pass & High-Pass
Reinforced Concrete Beam Designer
Vehicle Suspension & Shock Absorber Damping Lab
Material Fatigue & S-N Curve Lab
Fluid Pipe Network & Pump Sizing Lab
Heat Exchanger Design Lab (LMTD & Effectiveness-NTU)
PID Controller Tuning Lab
Electrical Power Transformer & Transmission Line Lab
Shaft Torsion & Angle of Twist Simulator
Stress-Strain / Tensile Test Simulator
Heat Conduction Through a Wall: Fourier's Law Simulator
Heat Exchanger Simulator: Parallel-Flow vs Counter-Flow (LMTD)
DC Motor Simulator: Torque, Speed & Back-EMF
Transformer Simulator: Turns Ratio, Losses & Efficiency
Digital Logic Gate Simulator
PID Control System Simulator
Pipe Flow & Reynolds Number 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
Cardiac Cycle & Wiggers Diagram Lab
Respiratory System & Lung Ventilation Simulator
Blood Flow & Circulatory System Simulator
Neuron & Action Potential Simulator
Enzyme Kinetics Laboratory
DNA Replication & Protein Synthesis Simulator
Cell Membrane & Osmosis Simulator
Human Musculoskeletal Movement Simulator
Human Digestion Simulator
Reflex Arc & Nervous System Simulator
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
Volcano Eruption & Magma Dynamics Lab
Rock Cycle Laboratory
Continental Drift & Plate Motion Simulator
Mineral Identification Laboratory
Mountain Building Simulator
Groundwater & Aquifer Simulator
Sediment Transport & River Erosion Lab
Fossil Formation & Geological Time Simulator
Earthquake & Seismic Wave Laboratory
Geothermal Energy & Earth's Interior Simulator
Gravitational Field & Escape Velocity Lab
Stellar Life Cycle & H-R Diagram Simulator
Exoplanet Detection Lab: Transit & Radial Velocity
Solar & Lunar Eclipse Geometry Simulator
Hubble's Law & Redshift Lab
Carbon Cycle Simulator: Reservoirs & Fluxes
Logistic Growth & Carrying Capacity Lab
Water Cycle & Watershed Simulator
Ozone Layer & UV Radiation Lab
Ocean Acidification Lab
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
Virtual Plant Growth Laboratory
Photosynthesis Simulator: Inside the Chloroplast
Plant Transpiration Laboratory
Plant Hormone Simulator
Phototropism & Gravitropism Lab
Plant Nutrient Deficiency Laboratory
Seed Germination Simulator
Plant Water Transport: Xylem Simulator
Flower Anatomy & Pollination Simulator
Plant Genetics & Mendelian Inheritance Simulator