Utility Tools

Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly with live conversion

Minify and compress JavaScript code to reduce file size for production. Remove comments, whitespace, and optimize code for faster loading.

Convert between international paper sizes (A4, Letter, Legal) with dimensions in mm, cm, and inches. Compare ISO A/B series and North American paper standards.

Calculate PPI (pixels per inch) for screens and displays. Find pixel density from resolution and screen size for phones, tablets, monitors, and TVs.

Generate HMAC (Hash-based Message Authentication Code) signatures for message authentication and data integrity verification. Supports SHA-256, SHA-384, SHA-512, and more.

Generate secure numeric PINs for devices, accounts, and security systems. Create random PINs with strength analysis and security recommendations.

Count words, characters, sentences, and reading time instantly

Convert between length, weight, and volume units instantly. Support for metric and imperial systems.

Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly with live conversion

Convert between time zones and see current or custom time across different parts of the world

Convert speeds between miles per hour (MPH), kilometers per hour (KPH), and knots instantly

Convert areas between square feet, square meters, acres, hectares, and square yards instantly

Encrypt and decrypt text using AES (Advanced Encryption Standard) with secure key-based encryption. Protect sensitive data with industry-standard 256-bit encryption.

Generate secure, cryptographically random API keys for authentication and authorization. Create custom API keys with various formats including hex, base64, and prefixed keys.

Calculate aspect ratios, find missing dimensions, and convert between different aspect ratios for videos, images, and screens. Supports 16:9, 4:3, 21:9, and more.

Calculate business days between two dates, excluding weekends and optional holidays for accurate work-day planning.

Convert clothing sizes between US, UK, EU, and international sizing systems. Find equivalent sizes for men's, women's, and kids' clothing with body measurements.

Obfuscate JavaScript code to protect your intellectual property. Encode strings, rename variables, inject dead code, and add debug protection to make reverse engineering more difficult.

Convert between cups, tablespoons, teaspoons, milliliters, and other cooking measurements. Quick and accurate conversions for recipes and baking.

Add or subtract days, weeks, months, or years from any date to calculate future or past dates with precision.

Calculate the precise difference between two dates in years, months, weeks, days, hours, minutes, and seconds. Perfect for tracking project durations, age calculations, event countdowns, and more.

Convert any date and time to Unix timestamp (epoch time). Get timestamps in seconds and milliseconds.

Find out what day of the week any date falls on - past, present, or future dates instantly.

Calculate which day number (1-365/366) any date is in its year. Track progress through the year and find milestone days.

Calculate the exact number of days between two dates. Get instant results for total days, business days, weekends, and more. Perfect for project planning, vacation tracking, and deadline management.

Calculate days until any future date with countdown for important events, deadlines, and milestones.

Calculate DPI (dots per inch), image dimensions, and print sizes. Convert between pixels and physical dimensions for printing and displays.

Remove duplicate words from your text instantly. Clean up repeated words while preserving word order and sentence structure with smart detection.

Generate random fake addresses for testing and development purposes.

Generate random fake email addresses for testing and development purposes.

Generate random fake names for testing and development purposes.

Generate complete fake person profiles including name, email, phone, and address for testing.

Generate random fake phone numbers for testing and development purposes.

Search and replace text with advanced options. Support for case sensitivity, whole word matching, and regular expressions for powerful text transformations.

Convert between MPG (miles per gallon), L/100km (liters per 100 kilometers), and other fuel efficiency units. Compare car fuel economy across different measurement systems.

Generate HMAC (Hash-based Message Authentication Code) signatures for message authentication and data integrity verification. Supports SHA-256, SHA-384, SHA-512, and more.

Convert HTML to React JSX format instantly. Transform class to className, inline styles to objects, and more for React development.

Convert HTML markup to clean Markdown syntax. Perfect for content migration, documentation, web scraping, and converting web pages to Markdown format.

Format and beautify JavaScript code with proper indentation, spacing, and line breaks. Perfect for unminifying compressed code or standardizing code style.

Convert JSON data to XML format. Perfect for API integration, data transformation, legacy system compatibility, and SOAP services. Supports nested objects, arrays, and custom formatting.

Check if any year is a leap year. Understand leap year rules and find past or future leap years instantly.

Count lines, non-empty lines, and analyze text line by line instantly.

Convert Markdown text to HTML markup instantly. Supports headings, lists, links, code blocks, tables, and all standard Markdown syntax.

Generate strong, memorable passwords using random words. Create secure passphrases that are easy to remember but hard to crack.

Minify and compress CSS code to reduce file size for production. Remove comments, whitespace, and optimize styles for faster loading.

Minify and compress HTML code to reduce file size for production. Remove comments, whitespace, and optimize markup for faster loading.

Minify and compress JavaScript code to reduce file size for production. Remove comments, whitespace, and optimize code for faster loading.

Convert between international paper sizes (A4, Letter, Legal) with dimensions in mm, cm, and inches. Compare ISO A/B series and North American paper standards.

Count paragraphs, sentences, words, and analyze text structure instantly.

Analyze password strength with real-time feedback, security scoring, and actionable recommendations to create stronger passwords.

Format and beautify PHP code following PSR-12 coding standards with proper indentation, spacing, and line breaks. Perfect for cleaning up messy code or enforcing consistent style.

Generate secure numeric PINs for devices, accounts, and security systems. Create random PINs with strength analysis and security recommendations.

Calculate PPI (pixels per inch) for screens and displays. Find pixel density from resolution and screen size for phones, tablets, monitors, and TVs.

Format and beautify Python code following PEP 8 style guidelines with proper indentation, spacing, and line breaks. Perfect for cleaning up messy code or enforcing consistent style.

Generate random colors in HEX, RGB, and HSL formats with preview and customizable options.

Generate random dates within custom ranges with multiple format options.

Generate random IPv4 and IPv6 addresses in multiple formats for testing and development.

Generate random MAC addresses in multiple formats for testing and development.

Generate random numbers with customizable range, quantity, and format options instantly.

Generate random paragraphs with grammatically correct sentences for lorem ipsum alternative, testing, and content placeholders.

Generate random grammatically correct sentences for creative writing, testing, and content creation.

Generate random times in 12-hour, 24-hour, timestamp, and seconds formats.

Generate random browser user agent strings for testing and development.

Generate random dictionary words for creative writing, brainstorming, games, and password creation.

Convert ring sizes between US, UK, and EU sizing systems. Find equivalent sizes using diameter or circumference measurements for accurate ring fitting.

Generate secure RSA public/private key pairs for encryption, digital signatures, and authentication. Create 1024 to 4096-bit RSA keys instantly in your browser.

Calculate screen width and height from diagonal size and aspect ratio. Convert between inches and centimeters for displays, TVs, and monitors with instant dimension calculations.

Count sentences, analyze sentence length, and get detailed sentence statistics instantly.

Convert shoe sizes between US, UK, EU, and international sizing systems. Find your perfect fit for men's, women's, and kids' shoes across different countries.

Online stopwatch timer with lap tracking. Measure time intervals precisely for sports, cooking, work tasks, and more.

Count syllables in text with detailed word-by-word analysis and linguistic statistics.

Split text by any delimiter into separate lines or segments instantly.

Convert between different time units - seconds, minutes, hours, days, weeks, months, and years.

Calculate the duration between two dates and times. Get results in days, hours, minutes, and seconds.

Convert Unix timestamp (epoch time) to human-readable date and time. Supports seconds and milliseconds.

Remove trailing spaces from the end of each line in your text. Clean up code, emails, and documents by trimming unwanted whitespace instantly.

Format and beautify TypeScript code with proper indentation, spacing, and line breaks. Preserves type annotations, interfaces, generics, and all TypeScript-specific syntax.

Parse user agent strings to extract browser, operating system, device, and engine information. Essential for web analytics, device detection, and browser compatibility testing.

Calculate ISO week number for any date. Find which week (1-53) of the year any date falls in.

Display current time in multiple cities around the world. Compare time zones and schedule across regions.

Convert XML markup to JSON format. Perfect for API modernization, data extraction, integrating legacy XML systems with modern JSON APIs, and SOAP to REST migration.

Compress files to ZIP - Create ZIP archives from multiple files with customizable compression settings

Extract files from ZIP archives - Unzip and download files from ZIP archives directly in your browser

Convert between liters, gallons, cups, and milliliters with our simple volume converter tool.

Convert between KB, MB, GB, and TB with our simple data storage converter tool.

Convert between watts, kilowatts, and horsepower with our simple power converter tool.

Convert between PSI, bar, pascal, and kilopascal with our simple pressure converter tool.

Generate placeholder text for your designs

Remove extra spaces, line breaks, and special characters

Write and preview Markdown with live rendering