Categories
Explore 423 Murelio utilities through 12 focused categories and move directly to the calculator, converter, file or developer tool you need.
Calculators
Everyday, math and engineering calculations
- Percentage Calculator
- Percentage Change Calculator
- Percentage Difference Calculator
- Ratio Calculator
- Average Calculator
- Weighted Average Calculator
- Square Root Calculator
- Cube Root Calculator
- Power Calculator
- Logarithm Calculator
- Factorial Calculator
- Modulo Calculator
- Scientific Notation Calculator
- Absolute Value Calculator
- Quadratic Discriminant
- Arithmetic Sequence Term
- Geometric Sequence Term
- Arithmetic Series Sum
- Geometric Series Sum
- 2D Distance Calculator
- Midpoint Calculator
- Slope Calculator
- Circle Area Calculator
- Circle Circumference Calculator
- Sector Area Calculator
- Triangle Area Calculator
- Heron Triangle Area
- Rectangle Area Calculator
- Rectangle Perimeter Calculator
- Square Area Calculator
- Trapezoid Area Calculator
- Parallelogram Area Calculator
- Ellipse Area Calculator
- Cube Volume Calculator
- Rectangular Prism Volume
- Sphere Volume Calculator
- Sphere Surface Area
- Cylinder Volume Calculator
- Cone Volume Calculator
- Pyramid Volume Calculator
- Pythagorean Theorem Calculator
- Law of Cosines Calculator
- Degrees to Slope
- Ohm's Law Voltage
- Ohm's Law Current
- Ohm's Law Resistance
- Electric Power Calculator
- Kinetic Energy Calculator
- Potential Energy Calculator
- Force Calculator
- Momentum Calculator
- Wave Speed Calculator
- Surface Area to Volume
- PPM Solution Calculator
- Molarity Calculator
- Dilution Calculator
- Reynolds Number
- Gear Ratio Calculator
- Mechanical Advantage
- Compression Ratio
- Aspect Ratio Width
- Pixel Density Calculator
- Download Time Calculator
- Bandwidth Calculator
- Paint Calculator
- Tile Calculator
- Concrete Volume Calculator
- Stair Riser Calculator
- Roof Pitch Calculator
- Garden Soil Calculator
Converters
Unit and format conversion
- Length Converter
- Area Converter
- Volume Converter
- Weight Converter
- Speed Converter
- Temperature Converter
- Time Unit Converter
- Pressure Converter
- Energy Converter
- Power Converter
- Data Storage Converter
- Angle Converter
- Force Converter
- Frequency Converter
- Torque Converter
- Density Converter
- Acceleration Converter
- Flow Rate Converter
- Fuel Economy Converter
- Illuminance Converter
- Luminance Converter
- Dynamic Viscosity Converter
- Voltage Converter
- Electric Current Converter
- Resistance Converter
- Capacitance Converter
- Electric Charge Converter
- Magnetic Flux Converter
- Magnetic Field Converter
- Radioactivity Converter
- Radiation Dose Converter
- Sound Intensity Converter
- Typography Unit Converter
- Print Resolution Converter
- Concentration Converter
- Molar Mass Converter
- Bitrate Converter
- Data Transfer Rate Converter
- Permeability Converter
- Surface Tension Converter
- Thermal Conductivity Converter
- Heat Capacity Converter
- Entropy Converter
- Linear Charge Density Converter
- Mass Flow Rate Converter
- Momentum Converter
- Dynamic Range Converter
Text
Write, analyze and clean text
- Word Counter
- Character Counter
- Line Counter
- Sentence Counter
- Paragraph Counter
- Reading Time Calculator
- Speaking Time Calculator
- Uppercase Converter
- Lowercase Converter
- Title Case Converter
- Sentence Case Converter
- camelCase Converter
- PascalCase Converter
- snake_case Converter
- kebab-case Converter
- CONSTANT_CASE Converter
- Alternating Case
- Reverse Text
- Reverse Word Order
- Sort Lines
- Shuffle Lines
- Remove Duplicate Lines
- Duplicate Line Finder
- Trim Lines
- Remove Empty Lines
- Collapse Whitespace
- Remove Spaces
- Tabs to Spaces
- Spaces to Tabs
- Add Line Numbers
- Remove Line Numbers
- Prefix Every Line
- Suffix Every Line
- Quote Lines
- Comma List to Lines
- Lines to Comma List
- CSV Column Extractor
- Find and Replace
- Regex Tester
- Regex Replace
- Text Difference Checker
- Anagram Checker
- Palindrome Checker
- Keyword Density Checker
- Letter Frequency Analyzer
- Word Frequency Analyzer
- N-gram Generator
- Syllable Estimator
- Readability Score
- Remove Punctuation
- Extract Numbers
- Extract Email Addresses
- Extract URLs
- Extract Hashtags
- Extract Mentions
- Remove HTML Tags
- HTML to Plain Text
- Markdown to Plain Text
- Slug Generator
- Filename Sanitizer
- Zero-width Character Cleaner
- Unicode Normalizer
- Smart Quote Converter
- Fullwidth to Halfwidth
- Hangul Jamo Inspector
- Roman Numeral Converter
- Morse Code Translator
- Binary Text Converter
- Text to ASCII Codes
- ASCII Codes to Text
- NATO Phonetic Alphabet
- Emoji Remover
- Emoji Counter
- Invisible Character Viewer
- Text Statistics
Developer
Code and data utilities
- JSON Formatter
- JSON Minifier
- JSON Validator
- JSON Path Explorer
- JSON to CSV
- CSV to JSON
- YAML to JSON
- JSON to YAML
- XML Formatter
- XML Minifier
- XML Validator
- XML to JSON
- HTML Formatter
- CSS Formatter
- JavaScript Formatter
- TypeScript Formatter
- SQL Formatter
- Base64 Encoder
- Base64 Decoder
- URL Encoder
- URL Decoder
- HTML Entity Encoder
- HTML Entity Decoder
- Unicode Escape Converter
- Hex Encoder
- Hex Decoder
- Gzip Size Estimator
- JWT Decoder
- UUID Validator
- IP Address Validator
- CIDR Subnet Calculator
- IPv4 to Integer
- Integer to IPv4
- MAC Address Formatter
- HTTP Status Lookup
- MIME Type Lookup
- User Agent Parser
- URL Parser
- Query String Parser
- Cron Expression Explainer
- Unix Permission Calculator
- Semantic Version Compare
- Design Token Generator
- CSS Unit Converter
- Data URI Generator
- Text Hash Generator
- HMAC Generator
- Checksum Calculator
- SQL IN List Builder
- JSON Schema Generator
Date & time
Date calculations and timers
- Age Calculator
- Date Difference Calculator
- Days Between Dates
- Business Days Calculator
- Add Days to Date
- Subtract Days from Date
- Week Number Calculator
- Day of Year
- Day of Week Finder
- Leap Year Checker
- Unix Timestamp Converter
- ISO Date Converter
- Timezone Offset Calculator
- World Time Converter
- Countdown Timer
- Stopwatch
- Pomodoro Timer
- Interval Timer
- Metronome
- Calendar Generator
- Quarter Calculator
- Fiscal Year Calculator
- Moon Age Estimate
- Time Duration Calculator
- Decimal Time Converter
Finance
Loan, interest and tax estimates
- Simple Interest Calculator
- Compound Interest Calculator
- Savings Goal Calculator
- Loan Payment Calculator
- Mortgage Payment Calculator
- APR Calculator
- Discount Calculator
- Markup Calculator
- Profit Margin Calculator
- Sales Tax Calculator
- VAT Calculator
- Tip Calculator
- Bill Split Calculator
- Break-even Calculator
- ROI Calculator
- ROAS Calculator
- CAGR Calculator
- Inflation Calculator
- Real Interest Rate
- Currency Gain Calculator
- Unit Price Calculator
- Cost Per Click Calculator
- CAC Calculator
- Customer Lifetime Value
- Inventory Turnover
- Straight-line Depreciation
- Meeting Cost Calculator
- Freelance Rate Calculator
- Salary to Hourly Calculator
- Hourly to Salary Calculator
- Commission Calculator
- Royalty Calculator
- Volumetric Weight
- Fuel Cost Calculator
- Travel Budget Calculator
- Electricity Cost Calculator
Health
Health reference calculations
- BMI Calculator
- Ideal Weight Calculator
- Body Fat Estimate
- BMR Calculator
- TDEE Calculator
- Calorie Deficit Calculator
- Water Intake Calculator
- Protein Intake Calculator
- Running Pace Calculator
- Running Speed Calculator
- Heart Rate Zone Calculator
- Maximum Heart Rate
- Waist-to-Height Ratio
- Body Surface Area
- Pregnancy Weight Gain Guide
- Sleep Cycle Calculator
- Caffeine Half-life Calculator
- Alcohol Unit Calculator
- Carbohydrate Ratio
- Lean Body Mass Estimate
Image & media
Local image and audio processing
Files
PDF, ZIP and file tools
Generators
Generate secure values and ideas
- UUID v4 Generator
- Bulk UUID Generator
- ULID Generator
- Random Number Generator
- Random Integer Generator
- Random Decimal Generator
- Coin Flip
- Dice Roller
- Secure Password Generator
- Passphrase Generator
- PIN Code Generator
- Secure Token Generator
- API Key Generator
- Random Bytes Generator
- Random Hex Color
- Random RGB Color
- Random Gradient Generator
- Lorem Ipsum Generator
- Placeholder Text Generator
- Random Name Picker
- Random Team Generator
- Random Decision Maker
- Yes or No Generator
- Random Quote Picker
- Username Generator
- Email Alias Generator
- Random Date Generator
- Random Timestamp Generator
- Sample Address Generator
- Sample Data Generator
- Sample CSV Generator
- Sample JSON Generator
- Barcode Value Generator
- OTP Secret Generator
- Nonce Generator
Color & design
Color and CSS visual tools
- Color Converter
- Color Picker
- Palette Generator
- Contrast Checker
- CSS Gradient Generator
- Color Shades Generator
- Color Tints Generator
- Complementary Color
- Analogous Colors
- Triadic Colors
- Color Blender
- Color Temperature Preview
- Box Shadow Generator
- Text Shadow Generator
- Border Radius Generator
- Glassmorphism Generator
- Neumorphism Generator
- CSS Grid Generator
- CSS Flexbox Generator
- SVG Wave Generator
Tests & interactive
Device tests and interactive tools
- Scientific Calculator
- Analog Clock
- Typing Speed Test
- Reaction Time Test
- Click Speed Test
- Keyboard Tester
- Mouse Tester
- Touchscreen Tester
- Gamepad Tester
- Screen Information
- On-screen Pixel Ruler
- Microphone Tester
- Speaker Tester
- Webcam Tester
- Vibration Tester
- Device Orientation Viewer
- Random Wheel
- Ladder Game
- Bingo Card Generator
- Memory Match Game