Tools 365

Convert String to JSON tool helps you easily convert string data into JSON format for better data handling and manipulation.

Calculate percentages with ease. Find X% of Y, what percentage X is of Y, percentage increase/decrease, and more.

Calculate tips and split bills easily. Quick tip percentage selection and per-person amount calculation for restaurants and services.

Convert temperatures between Celsius, Fahrenheit, and Kelvin. Real-time conversion with formulas and examples for science, cooking, and travel.

Convert pressure between Pascal, bar, psi, atm, mmHg, and inHg. Real-time conversion with formulas for engineering and scientific applications.

Convert energy between Joule, Calorie, Kilocalorie, Watt-hour, kWh, and BTU. Real-time conversion for nutrition, science, and engineering.

Convert power between Watt, Kilowatt, Megawatt, Horsepower, and BTU/h. Real-time conversion for automotive and electrical applications.

Convert force between Newton, Kilonewton, Pound-force, Kilogram-force, and Dyne. Real-time conversion for physics and engineering.

Convert torque between Newton-meter, Pound-foot, Pound-inch, and Kilogram-force-meter. Real-time conversion for automotive and mechanical engineering.

Convert text between different case formats: UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, and kebab-case.

Count words, characters, sentences, and paragraphs in real-time. Includes reading time estimation and detailed text statistics.

Check if a word, phrase, or sentence is a palindrome. Ignores spaces, punctuation, and case for accurate detection.

Encode text to Base64 or decode Base64 to text. Real-time conversion with copy functionality for data encoding needs.

Calculate factorial (n!) for non-negative integers. Handles large numbers with BigInt and shows calculation steps.

Calculate average (mean) and statistics for a set of numbers. Shows count, sum, min, max, and range.

Convert angles between degrees, radians, gradians, and turns. Real-time conversion with formulas and quick angle buttons.

Count total characters, characters without spaces, and byte length (UTF-8). Supports Unicode characters for accurate string analysis.

Count and analyze different character types: letters, digits, spaces, and special characters. Includes common platform character limits.

Convert hexadecimal color codes to RGB format. Supports #RRGGBB and #RGB formats with color preview and quick color selection.

Convert RGB color values (0-255) to hexadecimal format. Real-time conversion with color preview and quick color selection.

Calculate discounted prices and savings for shopping deals. Quick discount percentage selection and detailed savings breakdown.

Calculate your Body Mass Index (BMI) and assess your weight category. Supports both metric (kg, cm) and imperial (lbs, inches) units with health information.

Convert fractions and mixed numbers to decimal format. Detects repeating decimals and supports quick fraction selection.

Convert between standard and scientific notation for large and small numbers. Supports both directions with E-notation format.

Check if a number is prime and see its factors. Efficient algorithm with educational information about prime numbers.

Generate Fibonacci sequences up to 100 terms. Shows sequence, sum, and golden ratio information with BigInt support for large numbers.

Calculate the median (middle value) of a set of numbers. Shows sorted list and explains odd/even count calculations.

Calculate the mode (most frequently occurring value) of a set of numbers. Shows frequency distribution and handles multimodal datasets.

Calculate the Greatest Common Divisor (GCD) of two numbers using the Euclidean algorithm. Shows step-by-step calculation.

Calculate the Least Common Multiple (LCM) of two numbers. Shows GCD calculation and formula breakdown.

Calculate sides of a right triangle using the Pythagorean theorem (a² + b² = c²). Three modes for finding hypotenuse or sides.

Calculate voltage, current, or resistance using Ohm's Law (V = I × R). Three calculation modes for electronics and circuit design.

Convert between frequency and wavelength using the speed of light. Real-time bidirectional conversion for electromagnetic waves.

Convert between wavelength and frequency using the speed of light. Real-time bidirectional conversion for electromagnetic spectrum.

Convert HSL (Hue, Saturation, Lightness) color values to RGB format. Real-time conversion with color preview and quick color selection.

Convert RGB (Red, Green, Blue) color values to HSL format. Real-time conversion with color preview and quick color selection.

Generate random numbers within a specified range. Supports multiple numbers at once with quick presets for dice rolls, lottery, and more.

Generate random colors for design inspiration and creative projects. Output in HEX, RGB, or HSL formats with bright and pastel color options.

Generate placeholder Lorem Ipsum text for design mockups and prototypes. Create paragraphs, sentences, or words with customizable quantities.

Encode and decode URLs for safe transmission and API requests. Handle special characters, spaces, and Unicode properly.

Calculate exact age from birthdate in years, months, and days. Shows next birthday and total days lived.

Calculate the difference between two dates in multiple units. Shows detailed breakdown and total time in days, weeks, hours, and more.

Encrypt and decrypt text using the Caesar cipher with adjustable shift value (1-25). Educational tool for learning about classical cryptography and creating simple puzzles.

Convert between decimal (KB, MB, GB, TB, PB) and binary (KiB, MiB, GiB, TiB) storage units. Understand the difference between storage manufacturer specifications and operating system display.

Convert between speed units: m/s, km/h, mph, ft/s, knots, and Mach. Useful for vehicle speeds, aviation, maritime, and scientific calculations.

Calculate the area of various geometric shapes: square, rectangle, circle, triangle, parallelogram, and trapezoid. Useful for geometry, construction, and design projects.

Calculate the perimeter or circumference of geometric shapes: square, rectangle, circle, triangle, parallelogram, and regular polygons. Useful for fencing, borders, and design planning.

Convert between multiple unit types including length, weight, volume, area, speed, temperature, pressure, energy, power, force, and torque. Real-time conversion with formulas.

Generate secure, random passwords with customizable length and character types. Includes password strength indicator and copy-to-clipboard functionality.

Create custom placeholder images for design mockups and prototypes. Customize dimensions, colors, and text overlay with download functionality.

Convert between decibels (dB) and sound intensity (W/m²). Includes reference values for common sounds and formulas for acoustic calculations.

Convert between lux, candela, and lumens for lighting calculations. Includes reference values for common lighting scenarios and formulas.

Convert flow rates between L/s, L/min, mL/s, gal/min, m³/h, and ft³/s. Real-time conversion with formulas for plumbing, HVAC, and fluid dynamics.

Convert numbers between binary, octal, decimal, and hexadecimal number systems. Real-time conversion with validation and step-by-step breakdown.

Convert between Roman numerals and Arabic numbers (1-3999). Bidirectional conversion with detailed breakdown of conversion steps.

Convert decimal numbers to fractions in simplest form. Automatically simplifies fractions and shows mixed numbers when applicable.

Convert CSV data to JSON format with automatic header parsing. Handles quoted fields, special characters, and provides copy-to-clipboard functionality.

Generate QR codes from text or URLs with customizable size and colors. Download QR codes for websites, contact info, WiFi credentials, and more.

Generate barcodes from text or numbers with multiple format support (CODE128, EAN13, UPC, etc.). Customize size and download for product labels and inventory.

Convert Markdown text to HTML with real-time conversion and preview. Supports GitHub Flavored Markdown including tables, code blocks, and task lists.

Format and beautify JavaScript or TypeScript code with customizable indentation, quotes, semicolons, and more. Clean up minified code for better readability.

Minify and compress JavaScript or TypeScript code to reduce file size. Remove comments, whitespace, and optimize code with mangle and compression options.

Verify WCAG compliance of color combinations with real-time contrast ratio calculation. Check AA and AAA accessibility standards for text readability.

Interactive color picker with multiple format support (HEX, RGB, HSL). Real-time conversion between formats with HSL sliders and quick color presets.

Transform English words and phrases into British accent pronunciation. Fun educational tool with phonetic representations of British Cockney and Estuary English accents.

Generate color shades and tints from a base color for design projects. Create 5-10 variations with percentage-based lightness control and export as CSS variables.

Create CSS box-shadow effects visually with real-time preview. Control offset, blur, spread, color, opacity, and inset properties with multiple shadow layers support.

Generate CSS border-radius properties visually with individual corner control. Toggle between pixels and percentage, use preset shapes, and copy ready-to-use CSS code.

Generate CSS text-shadow effects visually with real-time preview. Control horizontal and vertical offset, blur radius, color, opacity, and create multiple shadow layers for typography effects.

Generate consistent spacing scales for design systems with CSS and SCSS variable output. Create linear or geometric scales with visual preview and export options.

Convert between major world currencies for travel, business, and financial planning. Supports 15+ currencies with real-time conversion and exchange rate information.

Create modern glass-like UI effects with backdrop blur, transparency, and borders. Generate CSS for glassmorphism design elements with real-time preview.

Create neumorphic (soft UI) designs with customizable shadows and depth effects. Generate CSS for modern button and interface elements with realistic depth.

Remove duplicate lines from text with case-sensitive/insensitive options, preserve order or sort alphabetically, and optionally remove empty lines. Perfect for data cleaning and list processing.