Tools Hub
Browse our full collection of free, browser-based tools organized by category.
Audio
CSS
- Color Contrast Checker
- Color Mixer
- Color Palette Generator
- CSS Animation Generator
- CSS Border Radius Generator
- CSS Box Shadow Generator
- CSS Clamp() Generator
- CSS Clip Path Generator
- CSS Cursor Generator
- CSS Filter Generator
- CSS Flexbox Generator
- CSS Font Preview
- CSS Glassmorphism Generator
- CSS Gradient Generator
- CSS Grid Generator
- CSS Neumorphism Generator
- CSS Text Shadow Generator
- CSS Transform Generator
- CSS Triangle Generator
- Font Pair Generator
- Gradient to CSS
- Hex to RGBA Converter
- PX to REM Converter
- SVG Blob Generator
- SVG Pattern Generator
- SVG Wave Generator
- Tailwind Shadow Generator
Conversion
- Acceleration Converter
- Area Converter
- ASCII to Hex
- Brick and Mortar Count Calculator
- Candela to Lumens Converter
- Concrete Calculator
- CSV to JSON
- Decking Board Spacing Calculator
- Density Converter
- Drywall Panel Calculator
- Energy Converter
- Fence Post Spacing Calculator
- Freight Density Calculator
- Frequency Converter
- Gravel Calculator
- Hex to ASCII
- JSON to CSV
- Mulch Depth Coverage Calculator
- Paint Coverage Pro
- Power Converter
- Pressure Converter
- Roofing Shingle Estimator
- Speed Converter
- Torque Converter
- Unit Converter
- Volume Converter
- XML to CSV Converter
Date
Dev
- AES Encryption
- API Rate Limit Calculator
- Base64 Converter
- Base64 File to String
- Binary Converter
- Chmod Calculator
- CIDR Calculator
- Color Picker
- Cron Expression Explainer
- Cron Job Generator
- Crontab Translator
- CSS Minifier
- CSV to XML
- Data Storage Converter
- Git Command Builder
- GraphQL Query Builder
- Hash Generator
- Hex to Decimal
- HMAC Generator
- HTML Entity Encoder
- HTML Minifier
- HTML Sanitizer
- HTTP Headers Viewer
- Integer to Roman
- IP Address Viewer
- JS Minifier
- JS Object to JSON Converter
- JSON Diff
- JSON Formatter
- JSON to SQL
- JSON to YAML
- JSON Validator & Auto-Repair
- Keycode Checker
- Local Text Encryptor/Decryptor
- Lorem Ipsum Generator
- Markdown Table Generator
- Markdown to HTML
- Number Base Converter
- Password Entropy Calculator
- Password Generator
- PBKDF2 Calculator
- QR Code Generator
- Random Data Generator
- React Component Boilerplate
- RegEx Playground
- Regex Tester
- RGB to Hex
- Roman to Integer
- SQL Formatter
- SQL to JSON
- Subnet Calculator
- SVG Code Viewer
- SVG to CSS Background
- Text Diff Tool
- ULID Generator
- Unicode Lookup
- URL Encoder/Decoder
- User Agent Parser
- UUID Generator
- XML Formatter
- XML to JSON Converter
- YAML to JSON Converter
- YAML Validator
- Z-index Map & Debugger
Education
Finance
- 401k Calculator
- Amortization Table
- Annuity Calculator
- APR Calculator
- APY Calculator
- Auto Loan Calculator
- Break-Even Volume Calculator
- Cap Rate Calculator
- Capital Gains Tax Calculator
- Car Lease vs. Buy Calculator
- CD Calculator
- Commercial Loan Calculator
- Compound Interest Calculator
- Credit Card Payoff Calculator
- Credit Card Reward Optimizer Calculator
- Credit Card Validator
- Credit Score Simulator
- Cryptocurrency Profit/Loss Calculator
- Currency Converter
- Customer Acquisition Cost (CAC) Calculator
- Discount Calculator
- Dividend Calculator
- Dividend Reinvestment (DRIP) Calculator
- Emergency Fund Calculator
- Emergency Fund Pro
- Estate Probate Fee Estimator
- EU261 Flight Compensation Calculator
- FHA Loan Calculator
- Freelance Hourly Rate Calculator
- GST/HST/VAT Calculator
- HELOC Calculator
- Holiday/Overtime Pay Pro Calculator
- Home Equity Loan Calculator
- Income Tax Calculator
- Inflation Calculator
- Inflation-Adjusted Salary Calculator
- Interest Only Loan Calculator
- Inventory Turnover Ratio Calculator
- Investment Calculator
- Invoice Late Fee Accumulator
- Land Loan Calculator
- LED vs Incandescent Savings Calculator
- Loan Calculator
- Margin Calculator
- Markup Calculator
- Mortgage Calculator
- Mortgage Payoff Calculator
- Moving Cost Estimator
- Net Worth Tracker
- NPV Calculator
- Overtime Calculator
- Parlay Calculator
- Paycheck Calculator
- Property Tax Prorator Calculator
- Refinance Calculator
- Rental Yield Net Calculator
- Retirement Calculator
- RMD Calculator
- ROI Calculator
- Roth IRA Calculator
- Rule of 72 Calculator
- RV/Boat Loan Calculator
- SaaS Subscription Audit
- Salary Converter
- Sales Tax Reverse Calculator
- Savings Goal Calculator
- Savings Goal Priority Calculator
- SIP Calculator
- Social Security Calculator
- Statutory Interest Calculator
- Stock Average Down Calculator
- Tax Bracket Estimator
- Tax Refund Estimator
- Time Card Calculator
- Trademark Fee Estimator
- VA Disability Calculator
- VAT Calculator
- Vehicle Depreciation Calculator
- Wedding Budget Splitter
- Weighted Average Calculator
Food
Growth
Hardware
Health
- 1RM Pro Calculator
- A1C Calculator
- ACFT Calculator
- Aquarium Stocking Limit Calculator
- Army Body Fat Calculator
- BAC Calculator
- Blood Donation Recovery Calculator
- Blood Pressure Category Checker
- BMI Calculator
- BMI Tracker Pro Calculator
- BMR Calculator
- Body Fat Calculator
- Bra Size Calculator
- Breathalyzer Estimator
- Caffeine Half-Life
- Calorie Deficit Calculator
- Chocolate Toxicity Advanced Calculator
- Chocolate Toxicity Estimator
- Conception Calculator
- Corrected Calcium Calculator
- Creatine Dosage Calculator
- Creatinine Clearance (CrCl)
- Daily Fiber/Water Tracker
- Dog Pregnancy Calculator
- Dog/Cat Body Condition Calculator
- Due Date Calculator
- EtG Calculator
- FFMI Calculator
- Fish Tank Nitrogen Cycle Calculator
- Gym Workout Frequency Calculator
- Height Calculator
- Hydration Loss Replacement
- Ideal Sleep Window Calculator
- Ideal Weight Calculator
- Intermittent Fasting Schedule
- IVF/FET Due Date Calculator
- Lactic Threshold Pace Trainer
- Macro Calculator
- Marathon Pace Strategy
- Meal Calorie Split Calculator
- One Rep Max Calculator
- Ovulation Calculator
- Pace Calculator
- Peptide Calculator
- Period Calculator
- Pet Daily Water Needs Calculator
- PFT Calculator
- Pool Chlorine Dose Calculator
- Pore Clogging Checker
- Pregnancy Weight Gain Calculator
- Protein Calculator
- Protein Intake Estimator
- Protein Timing Window Calculator
- Run/Walk Interval Trainer
- Sleep Calculator
- Sleep Cycle Optimizer
- Smoking Quit Milestones
- Steps to Miles Calculator
- Swim Pace Calculator
- Target Heart Rate
- TDEE Calculator
- Vision/Eye Test (Basic)
- VO2 Max (Rockport Walk Test) Calculator
- VO2 Max Calculator
- Water Intake Calculator
Image
Kitchen
- Air Fryer Conversion Calculator
- Bakers Percentage Calculator
- Bakeware Volume Converter
- Canning Altitude Guide
- Chocolate Tempering Guide
- Coffee Brewing Guide
- Coffee Ratio Calculator
- Cold Brew Ratio Calculator
- Cooking Unit Price Calculator
- Dehydrator Planner
- Egg Timer
- Equilibrium Brine Calculator
- Fabric Yardage Estimator
- Fermentation Brine Calculator
- Food Yield Calculator
- Fresh Pasta Calculator
- Frozen to Fresh Cooking Calculator
- Knife Sharpening Guide
- Knitting/Yarn Yardage Calculator
- Meat Thawing Calculator
- Pet Litter Estimator
- Plate Cost Calculator
- Slow Cooker Converter
- Smoke Point Guide
- Sourdough Scheduler
- Sous Vide Calculator
- Spice Substitution Finder
- Steak Doneness Calculator
- Sweetener Substitution Calculator
- Vinaigrette Calculator
Maker
Math
- Arithmetic Sequence Calculator
- Average Calculator
- Basic Calculator
- Board Foot Calculator
- Concrete Sonotube Footing Calculator
- CPM Calculator
- Cross Product Calculator
- Cubic Feet Calculator
- Cubic Yard Calculator
- Cylinder Volume & Surface Area
- Decimal to Fraction
- Derivative Calculator
- Determinant Calculator
- Eigenvalue Calculator
- Fraction Calculator
- GCD & LCM Calculator
- Golden Ratio Visualizer
- Graphing Calculator
- Integral Calculator
- Interpolation Calculator
- Limit Calculator
- Linear Regression Calculator
- Logarithm Calculator
- Long Division Calculator
- Matrix Calculator
- Midpoint Calculator
- Mixed Number Calculator
- Modulo Calculator
- Odds Calculator
- P-Value Calculator
- Percent Error Calculator
- Percentage Calculator
- Permutation & Combination
- Prime Factorization
- Prime Number Checker
- Pythagorean Theorem
- Quadratic Equation Solver
- Ratio Calculator
- Right Triangle Solver Calculator
- Rounding Calculator
- RREF Calculator
- Sales Tax Calculator
- Sampling Size Calculator
- Scientific Calculator
- Scientific Notation Calculator
- Sig Fig Calculator
- Simple Interest Calculator
- Slope Calculator
- Sphere Volume & Surface Area
- Square Footage Calculator
- Stair Calculator
- Standard Deviation
- System of Equations Solver
- Tip Calculator
- Triangle Calculator
- Vector Magnitude 3D
Media
Misc
- Angel Number Calculator
- Bin Packing Optimizer
- Birth Chart Calculator
- Browser Info
- Coin Flipper
- Dice Roller
- Dunk Calculator
- eDPI Calculator
- Fuel Cost Calculator
- Internet Ping Test
- List Randomizer
- Love Calculator
- Map Scale Calculator
- Pet Age Calculator
- Plant Spacing Calculator
- Point Buy Calculator
- Pomodoro Timer
- Privacy Policy Skeleton
- Probability / Dice Odds Calculator
- Random Number Generator
- Resume Builder
- Rock Paper Scissors
- Saturn Return Calculator
- Screen Resolution
- Tire Size Calculator
- Typing Speed Test
Science
- ABV Calculator
- Appliance Energy Cost
- Asphalt Tonnage Calculator
- Commute Carbon Footprint
- Crop Factor Visualizer
- Crosswind Component Calculator
- Depth of Field (DOF) Calculator
- Dew Point Comfort Zone
- Fertilizer N-P-K Mixer
- Fuel Endurance Calculator
- HVAC Right-Size BTU
- Kinetic Energy
- Lightning Distance Calculator
- Long Exposure (ND Filter)
- Molar Mass Calculator
- Molarity Dilution Calculator
- Mulch & Soil Calculator
- Power Factor Calculator
- Pressure Altitude Calculator
- Pressure Drop Calculator
- Reynolds Number
- Signal-to-Noise Ratio (SNR)
- Solar Potential (Estimated) Calculator
- Specific Heat Calculator
- Spring Constant Calculator
- Thermal Mass / Passive Solar
- Tire Pressure Temp Adjuster
- Vampire Power Cost Calculator
- Water Hardness Converter
- Wind Chill & Heat Index Pro Calculator
- Wind Load Calculator (ASCE 7)
- Wire Gauge (Voltage Drop)
Text
- Anagram Checker
- ASCII Art Generator
- Case Converter
- Citation Generator
- Duplicate Word Finder
- Emoji Picker
- Formal Letter Builder
- Gematria Calculator
- Haiku Builder
- Keyword Density Checker
- Letter Frequency
- Markdown to PDF
- Morse Code Translator
- Palindrome Checker
- PDF to Text Converter
- Random Text Generator
- Random Word Generator
- Readability Scorer
- Reading Time Calculator
- Remove Duplicate Lines
- Reverse String
- ROT13 Cipher
- Small Text Generator
- Strikethrough Text
- Text Replacement
- Text to ASCII
- Text to Handwriting
- Upside Down Text
- Word Counter
- Word to Pages Converter
- Zalgo Text Generator