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Base Convert
Convert numbers between different bases (binary, octal, decimal, hexadecimal) with support for bases 2-36
Regex Tester
Test and debug regular expressions with real-time pattern matching, flags, and detailed match analysis
Curl to Code Converter
Convert curl commands to code in multiple programming languages including JavaScript, Python, PHP, and more
VMess Config Parser
Parse and analyze VMess configuration links for educational and debugging purposes
WebP to PNG Converter
Convert WebP images to PNG format with high quality and batch processing support
Grams to Tablespoons Converter
Convert between grams and tablespoons for cooking ingredients with accurate density calculations for different foods
Fahrenheit to Celsius Converter
Convert temperatures between Fahrenheit and Celsius scales with additional Kelvin and Rankine conversions
Mando'a Translator
Translate between Mando'a (Mandalorian language) and English with AI-powered accuracy. Perfect for Star Wars fans, cosplay, gaming, and fan fiction.
JPG to SVG Converter
Convert JPG images to SVG format
Chinese English Translator
High-quality Chinese ⇄ English translation powered by DeepL AI
Cron Expression Generator
Generate cron expressions easily with visual interface for scheduling tasks
Remove Line Breaks
Remove or replace line breaks from text quickly and easily
Number to Chinese Converter
Convert Arabic numbers to Chinese characters with uppercase, lowercase, financial, and traditional formats. Perfect for checks, invoices, and financial documents.
Word Counter
Count words, characters, sentences, paragraphs, and analyze text statistics with reading time estimation and detailed text analysis
YAML Validator
Validate YAML syntax, check for errors, and format YAML files
Robots.txt Generator
Generate robots.txt files to control search engine crawling behavior
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to readable text
SSH Key Generator
Generate secure SSH key pairs for authentication with RSA and Ed25519 support
JSON Formatter & Validator
Format, validate, and minify JSON strings with syntax checking and beautification
JSON to Table Converter
Convert JSON data to HTML table format with customizable styling and export options
JSON to Struct Converter
Convert JSON data into struct definitions for various programming languages including Go, TypeScript, Java, C#, Rust, and Python
Coordinate Converter
Convert between different coordinate formats: DD, DDM, DMS, UTM, and MGRS
HTML Online Compiler
Write, edit and preview HTML, CSS, and JavaScript code in real-time with instant live preview
Currency Converter
Convert currencies with real-time exchange rates for 200+ world currencies including USD, EUR, THB, CNY
VPS Remaining Value Calculator
Calculate the remaining value of your VPS subscription based on usage time and billing period
Time to Decimal Converter
Convert time format to decimal hours and minutes for payroll, project tracking, and time calculations
Pixels to Inches Converter
Convert pixels to inches, centimeters, and points based on DPI for web design, print, and digital graphics
Oz to Liters Converter
Convert fluid ounces to liters, milliliters, and other volume units for cooking, recipes, and measurements
CM to Feet Converter
Convert centimeters to feet, inches, and meters for height measurements, construction, and international conversions
KPA to PSI Converter
Convert kilopascals to PSI, bar, and other pressure units for automotive, engineering, and industrial applications
Mortgage Payoff Calculator
Calculate mortgage payments, total interest, and payoff scenarios with extra payments for home loan planning
Cubic Yard Calculator
Calculate volume in cubic yards, feet, meters and other units for construction, landscaping, and material estimation
Board Foot Calculator
Calculate board feet, lumber volume, and cost estimation for woodworking and construction projects
Board and Batten Calculator
Calculate materials and costs for board and batten wall treatments including boards, battens, and coverage
Deck Board Calculator
Calculate deck boards, joists, posts, and total material costs for outdoor deck construction projects with waste allowance
HCPSS Grade Calculator
Calculate grades for Howard County Public School System with weighted categories, quarter averages, and semester final calculations
Indiana Child Support Calculator
Calculate Indiana child support payments using official state guidelines with detailed payment breakdown and court-compliant calculations
Raglan Depth Calculator
Calculate raglan sleeve depth and shaping for knitted sweaters with precise measurements and construction instructions
ACFT Calculator
Calculate Army Combat Fitness Test scores for all six events with age, gender, and MOS-specific standards and training recommendations
Stair Calculator
Calculate stair dimensions, riser height, tread depth, and stringer length for safe staircase construction
RV Loan Calculator
Calculate RV loan payments, interest rates, and financing options for motorhomes and travel trailers
Voltage Drop Calculator
Calculate voltage drop, power loss, and wire sizing for electrical circuits with NEC compliance checking
Asphalt Calculator
Calculate asphalt tonnage, cost, and material requirements for driveways, parking lots, and road projects
Blox Fruits Calculator
Calculate level progression, fruit awakening costs, and trading values for Blox Fruits game
Time Calculator
Calculate time addition, subtraction, work duration, and format conversion for time management
Inequality Calculator
Solve linear, compound, absolute value, and quadratic inequalities with step-by-step solutions
Determinant Calculator
Calculate matrix determinants for 1×1 to 4×4 matrices with detailed step-by-step solutions using various mathematical methods
Double Integral Calculator
Calculate double integrals numerically using midpoint, trapezoidal, and Simpson's rule methods with detailed step-by-step solutions
Land Loan Calculator
Calculate land loan payments, interest rates, and financing options for vacant land purchases with detailed payment schedules and cost analysis
Partial Derivative Calculator
Calculate partial derivatives of multivariable functions with detailed step-by-step solutions supporting polynomial, trigonometric, exponential, and logarithmic functions
Pokemon Type Calculator
Calculate Pokemon type effectiveness and weaknesses with comprehensive type chart analysis for all 18 Pokemon types including dual-type combinations
Partial Fraction Decomposition Calculator
Decompose rational functions into partial fractions with step-by-step solutions. Handle linear factors, repeated factors, and irreducible quadratics for integration and differential equations.
Starbucks Calorie Calculator
Calculate calories and caffeine content for Starbucks menu items with comprehensive nutritional tracking for drinks, food, and seasonal items
529 Calculator
Calculate 529 education savings plan projections with college cost analysis and tax-advantaged growth calculations for comprehensive education funding planning
Cap Rate Calculator
Calculate capitalization rates for real estate investments with comprehensive analysis of NOI, cash-on-cash return, and investment performance metrics
Corrected Calcium Calculator
Calculate corrected calcium levels based on serum albumin using standard clinical formulas for accurate calcium assessment in hypoalbuminemia
Differential Equation Calculator
Solve ordinary differential equations step-by-step including separable, linear, homogeneous, exact, Bernoulli, and second-order equations with detailed solutions
FFMI Calculator
Calculate Fat-Free Mass Index (FFMI) to assess muscle mass and body composition with athletic comparisons and natural genetic limit analysis
MME Calculator
Calculate Morphine Milligram Equivalents (MME) for opioid medications using CDC guidelines with comprehensive safety assessment and risk analysis
Variance Calculator
Calculate variance, standard deviation, mean, median, and comprehensive statistical analysis with support for both sample and population data
Age Difference Calculator
Calculate precise age differences between people with detailed analysis including zodiac signs, generation gaps, and relationship insights
Anion Gap Calculator
Calculate anion gap with albumin correction for medical diagnosis of electrolyte imbalances and acid-base disorders with clinical interpretations
Binomial Distribution Calculator
Calculate binomial probabilities, cumulative distributions, and statistical parameters. Perfect for quality control, clinical trials, and risk analysis with comprehensive statistical insights.
OSRS Combat Calculator
Calculate your OSRS combat level with precise formulas. Analyze pure builds, PKing accounts, and main builds with combat stat breakdowns and training recommendations.
Conduit Fill Calculator
Calculate electrical conduit fill percentages with NEC compliance checking. Determine proper conduit sizing for electrical installations with wire area calculations.
Correlation Coefficient Calculator
Calculate Pearson, Spearman, and Kendall correlation coefficients with statistical significance testing. Analyze relationships between variables with comprehensive reports.
ERA Calculator
Calculate ERA, WHIP, K/9, and advanced pitching statistics for baseball analysis. Professional pitcher performance evaluation with detailed ratings and comparisons.
Laplace Transform Calculator
Calculate Laplace transforms and inverse transforms for mathematical functions. Comprehensive transform table, convergence analysis, and step-by-step solutions for differential equations.
Radical Calculator
Simplify radicals, square roots, cube roots, and nth roots with step-by-step solutions. Prime factorization, perfect power extraction, and decimal approximations.
Stone Calculator
Calculate stone, gravel, and rock requirements for driveways, landscaping, and construction. Estimate weight, volume, coverage, and costs with detailed project recommendations.
AP Biology Score Calculator
Calculate your AP Biology exam score based on multiple choice and free response performance. Get detailed analysis, college readiness assessment, and score predictions.
AP Chemistry Score Calculator
Calculate your AP Chemistry exam score based on multiple choice and free response performance. Get detailed analysis and college readiness assessment for chemistry programs.
Army Height and Weight Calculator
Calculate Army height and weight standards compliance according to AR 600-9. Check if your measurements meet military requirements with BMI analysis and personalized recommendations.
Cumulative GPA Calculator
Calculate your cumulative Grade Point Average across multiple semesters. Track academic performance, analyze grade distribution, and get personalized academic recommendations.
Crosswind Calculator
Calculate crosswind and headwind components for aviation operations. Analyze wind effects on runway operations and get safety recommendations for different aircraft types.
AP Calc BC Score Calculator
Calculate your AP Calculus BC exam score based on multiple choice and free response performance. Get detailed analysis, college readiness assessment, and score predictions with advanced calculus topics.
Five Number Summary Calculator
Calculate the five-number summary (minimum, Q1, median, Q3, maximum) for your dataset. Get detailed statistical analysis, outlier detection, and distribution insights with comprehensive data interpretation.
Boat Floating Calculator
Calculate boat buoyancy, stability, and floating characteristics based on hull dimensions and weight distribution. Analyze draft, freeboard, metacentric height, and safety margins for marine vessel design and loading.
AP Physics Score Calculator
Calculate your AP Physics exam score based on multiple choice and free response performance. Comprehensive scoring for Physics 1, 2, C: Mechanics, and C: E&M with detailed analysis and college readiness assessment.
AP Stats Grading Calculator
Calculate your AP Statistics exam score based on multiple choice and free response performance. Comprehensive grading system with detailed statistical analysis and college readiness assessment.
Grade Curve Calculator
Apply various grading curves to student grades including linear scaling, square root curve, bell curve, and percentile methods. Analyze grade distributions and statistical changes for fair academic assessment.
Prorate Rent Calculator
Calculate prorated rent for move-in, move-out, or partial month occupancy. Fair rent calculations when lease dates don't align with full calendar months.
Online SQL Compiler
Write, test, and execute SQL queries online with sample databases. Perfect for learning SQL, practicing queries, and testing database concepts in an interactive environment.
UTF-8 Encoder/Decoder
Encode text to UTF-8 byte sequences or decode UTF-8 bytes back to readable text. Support multiple output formats including hex, decimal, and binary.
RGB to Hex Converter
Convert RGB color values to Hex color codes and vice versa. Visual color picker, palette support, and real-time color preview for web design and development.
Chinese Zodiac Lookup
Discover your Chinese zodiac sign based on birth year. Get detailed personality traits, compatibility analysis, fortune predictions, and zodiac element information.
Color Palette Generator
Generate beautiful color palettes for web design. Create harmony colors, explore preset combinations, and copy colors in multiple formats for your projects.
Reaction Speed Test
Test and improve your reaction time with visual, audio, and mixed signals. Track your progress with detailed statistics and compare your performance.
Barcode Generator
Generate professional barcodes in multiple formats including CODE128, EAN-13, UPC, CODE39. Customize colors, sizes, and download as PNG or SVG.
XML Comparator
Compare two XML files side by side, find differences, validate XML structure, and format XML content
Pie Chart Generator
Create beautiful, customizable pie charts with your data. Perfect for presentations, reports, and data visualization with multiple export options.
Bar Chart Generator
Create professional bar charts with customizable styles. Support vertical/horizontal layouts, multiple color schemes, and export options for data visualization.
2048 Game
Play the addictive 2048 number puzzle game. Slide tiles to combine numbers and reach the 2048 tile. Features touch controls, keyboard support, and score tracking.
Memory Flip Game
Test your memory with this classic card matching game. Flip cards to find pairs, track your best time and moves. Choose from easy, medium, or hard difficulty levels.
Random Number Generator
Generate random numbers with customizable ranges for gaming, statistics, programming, and decision making. Supports multiple numbers, dice simulation, and lottery numbers with history tracking.
Random Name Picker
Interactive random name picker for classrooms, meetings, and team activities. Features normal mode, elimination mode, and random grouping for teachers and organizers.
Blooket Calculator
Calculate your Blooket game performance, points, grades, and statistics. Track accuracy, points breakdown, rewards, and compare different game modes for learning progress.
Schulte Table
Train your concentration and attention with the classic Schulte Table game. Click numbers in sequence on randomly arranged grids to improve focus, reading speed, and cognitive performance.
Online Stopwatch
Precision stopwatch with lap timing, statistics, and export functionality. Perfect for sports, training, and time tracking with millisecond accuracy.
JSON to SQL Converter
Convert JSON data to SQL statements for MySQL, PostgreSQL, SQLite, Oracle, and SQL Server
Chronological Age Calculator
Calculate exact age in years, months, days, hours, and minutes with zodiac signs, life milestones, and comprehensive age analysis
World Time
View and track current time across multiple cities worldwide with timezone conversion and city selection
Address Generator
Generate realistic addresses for USA, UK, Italy, China and more countries with complete details including name, phone, email and postal code
Lottery Tax Calculator
Calculate federal and state taxes on lottery winnings for all US states with accurate 2024 tax rates and withholding requirements
Yoruba Language Translator
Translate between Yoruba and 100+ languages with pronunciation guides and common phrases. Perfect for learning West African languages.
Bosnian Translator
Professional Bosnian to English translator with instant translation, common phrases, and usage examples.
Fancy Serial Number Checker
Check if your currency serial numbers are fancy or collectible. Identify solid, ladder, radar, repeater, and other valuable patterns in bill serial numbers
Email Extractor
Extract email addresses from any text. Find, validate, and export email addresses with domain filtering and duplicate removal.
Keyboard Checker
Test your keyboard keys to identify stuck, broken, or malfunctioning keys. Interactive keyboard tester with visual feedback and comprehensive key testing.
Shakespearean Translator
Convert between modern English and Shakespearean English (Early Modern English). Transform your text into authentic Elizabethan language or translate Shakespeare back to modern English.
Local Notes
Create, organize, and manage your personal notes locally in your browser. Features tagging, search, priority levels, favorites, and import/export functionality with complete privacy.
KW to HP Converter
Convert kilowatts to horsepower and vice versa with support for mechanical, metric, electrical, and boiler HP types. Perfect for automotive, industrial, and engineering calculations.
High Valyrian Translator
Translate between English and High Valyrian from Game of Thrones/House of the Dragon. Features authentic Valyrian language created by David J. Peterson with common phrases and examples.
Random Food Generator
Discover new recipes and meal ideas with our random food generator. Filter by cuisine, difficulty, category, and cooking time. Perfect for meal planning and culinary inspiration.
Snake Game
Play the classic Snake game in your browser. Control the snake to eat food and grow longer while avoiding collisions. Features score tracking, increasing difficulty, and responsive controls.
Domain Availability Checker
Check domain availability across multiple extensions (TLDs) in bulk. Instantly verify if domains are available for registration with comprehensive extension support and export capabilities.
Cookie Formatter
Parse, format, and convert HTTP cookies between different formats. Support for Set-Cookie headers, JSON, cURL, JavaScript, PHP, and Python cookie formats with detailed attribute parsing.
Tongan Translator
Translate between English and Tongan (Lea Fakatonga) with AI-powered accuracy. Features common phrases, cultural expressions, and bidirectional translation for Pacific Island language learning.
Powerball Generator
Generate random Powerball lottery numbers with our free online tool. Get 5 white ball numbers (1-69) and 1 Powerball number (1-26) with Power Play multiplier.
Roman Numeral Converter
Convert between Arabic numbers (1-3999) and Roman numerals instantly. Free online bidirectional converter with validation, examples, and conversion history for ancient numeral system.
Time Swim Converter
Convert between different swimming time formats and calculate pace for various distances. Support MM:SS.HH and SS.HH formats with instant pace calculations for 25m, 50m, 100m, 200m.
Japanese Name Generator
Generate authentic Japanese names with kanji, hiragana, romaji, and meanings for characters, stories, or cultural learning. Support for male, female, and unisex names with traditional surnames.
Radians to Degrees Converter
Convert angles between radians and degrees with precision. Includes gradians, turns, and angle classification for mathematics, engineering, and physics.
Date Format Comparison
Compare date formats used worldwide. See how dates appear in different international formats with live examples and regional usage information.
Timestamp Converter
Convert between Unix timestamps and human-readable dates with multiple format support and timezone handling. Perfect for developers and system administrators.
Pictionary Word Generator
Generate random words for Pictionary games with customizable categories and difficulty levels. Perfect for family game nights, parties, and team building activities.
Bytes to GB Converter
Convert between different data storage units including Bytes, KB, MB, GB, TB, and PB with high precision calculations.
PNG JPG to WebP
Convert PNG, JPG, and JPEG images to WebP format with batch processing support, customizable quality settings, and size optimization.