Share code snippets, logs, and text with a shareable link. Syntax highlighting for 30+ languages, expiration controls, and password protection for Pro users.
Convert .env environment variable files to JSON format instantly. Parse KEY=VALUE pairs, handle quoted values, auto-detect types like numbers and booleans, and export clean JSON for configuration management.
Generate Apache HTTP Server VirtualHost configurations for HTTP and HTTPS. Add SSL, proxy pass, and custom headers. Free Apache config generator, no signup required.
Calculate aspect ratios, scale dimensions proportionally, and find dimensions from any ratio. Perfect for video, image, and screen resolution calculations.
Calculate the mean, median, mode, and range of any set of numbers. Paste or type your numbers, get instant statistical results with a clear breakdown and data summary.
Estimate your blood alcohol content (BAC) using the Widmark equation. Enter weight, gender, drinks consumed, and time elapsed to calculate current BAC level, impairment status, and time to sober up.
Calculate bitwise AND, OR, XOR, NOT, and shift operations on integers. See results in decimal, hex, and binary with 8, 16, or 32-bit width. Free online bit manipulation tool.
Estimate body fat percentage using U.S. Navy measurements. Get fat mass, lean mass, and category instantly for fitness tracking.
Calculate business days between dates or add/subtract working days. Supports US Federal holidays, custom holidays, and weekend configurations.
Test how fast you can click with this free CPS (Clicks Per Second) test. Choose from 5s, 10s, 30s, or 60s durations and track your personal best click speed score.
Check color contrast ratios for WCAG 2.1 accessibility compliance. Validate AA and AAA requirements for text and UI components.
Mix any two colors by blending them at a custom ratio and get the resulting HEX, RGB, and HSL values instantly. Perfect for creating color palettes, gradient stops, and accessible UI mid-tones.
Create perfect rounded corners with visual editor. Generate CSS border-radius for all corners individually or uniformly with support for pixels and percentages.
Create CSS Grid layouts visually with interactive controls. Customize columns, rows, gaps, and item spans with live preview and instant code generation.
CSS keyframes generator builds @keyframes animations visually with live preview, easing curves, and duration control. Copy ready-to-use CSS. Free, no signup.
Free online tool to minify CSS code to reduce file size. No registration required - secure, fast, and easy to use. Built with privacy in mind.
Build CSS transition declarations visually. Set property, duration, timing function, and delay, then preview the animation and copy the CSS.
CVSS calculator with the official v3.1 base and temporal equations. Score a vulnerability or paste a vector string from NVD to decode it. Shows impact and exploitability subscores.
Calculate the duration between two dates or add/subtract time periods from a date. Count workdays, weekends, and total days.
Calculate sale prices, find discount percentages, determine original prices, and compute stacked/double discounts. Essential for shopping and retail.
Check DKIM TXT records by selector and domain to verify email signing configuration and public key tags - no signup required.
Generate ESLint configuration for any JavaScript or TypeScript project. Supports ESLint 9 flat config, legacy .eslintrc, React, Next.js, Vue 3, and common rule sets.
Flip a virtual coin online with true 50/50 probability. Track flip history, see heads vs tails statistics, and make quick random decisions. Free coin toss simulator.
Calculate fractions online: add, subtract, multiply, and divide fractions or mixed numbers. Shows step-by-step solution with simplified results and decimal equivalent.
Generation calculator finds which generation a birth year falls in, from Baby Boomer to Gen Z and Gen Alpha, with the source for every date range. Free, no signup.
Project your weight loss timeline on GLP-1 medications (Ozempic, Wegovy, Mounjaro, Zepbound) using averages from published clinical trials. See projected weight at 12, 24, and 52 weeks.
Calculate your semester and cumulative GPA instantly. Supports 4.0 scale, 10.0 CGPA scale, and percentage systems. Add courses, grades, and credits for accurate results.
Gzip-compress text to Base64 or decompress Base64 gzip data back to text in your browser. Shows the compression ratio and downloads as .gz. Free, private, powered by CompressionStream.
Calculate the number of hours and minutes between two times. Perfect for payroll, work hours, shift duration, and time tracking. Supports 12-hour and 24-hour formats with optional break deduction.
Compress images online while maintaining quality. Supports HEIC, JPEG, PNG, WebP, BMP, GIF, TIFF formats. Features aspect ratio maintenance, custom dimensions, quality presets, batch processing with ZIP download. Reduce file sizes for faster web loading.
Crop images with precision using interactive selection. Supports aspect ratio presets, rotate, flip, and export to JPEG, PNG, or WebP formats.
Resize images to specific dimensions or percentage online. Maintain aspect ratio and download in high quality. Free, browser-based, no upload required.
ISO 8601 duration converter turns PT1H30M or P3DT4H5M6S into readable time, clock format and total seconds, and converts any number of seconds back into a valid duration.
Convert JSON data to Java class definitions instantly. Generate POJOs with Lombok support, Jackson annotations, getters/setters, and nested class generation.
Convert JSON to PHP array syntax and PHP arrays to JSON. Perfect for PHP developers working with APIs and configuration files.
Calculate your lean body mass (LBM) using the Boer, James, and Hume formulas or exact body fat percentage. Shows fat mass, lean mass, body fat category, and recommended protein intake.
Find your love compatibility percentage! Enter two names and get instant love score, compatibility breakdown across 8 traits, and fun results to share. Perfect for Valentine's Day.
Calculate your ideal daily macronutrient targets - protein, carbs, and fat - using the Mifflin-St Jeor equation. Set your goal (cut, bulk, maintain) and diet type to get accurate calorie and macro breakdowns.
Calculate profit margin, markup percentage, and selling prices. Find margin from cost and revenue, convert between margin and markup, and plan pricing strategy.
Calculate the real cost of meetings based on attendees, duration, and average salary. See per-meeting, weekly, monthly, and annual cost breakdowns instantly.
Calculate your net worth by listing assets and liabilities. Instant totals, debt-to-asset ratio, and a copyable summary. Runs fully in your browser - your financial data never leaves your device.
Free online notepad with auto-save, customizable fonts, find & replace, word count, and file upload/download. No registration required - works entirely in your browser.
Create PayPal payment links, donation buttons, buy now buttons, and subscription links. Generate URLs and HTML code for easy website integration.
Calculate percentages easily: find X% of Y, what percent X is of Y, percentage change, and increase/decrease by percentage.
Generate random numbers, integers, or decimals within custom ranges. Create multiple random numbers, shuffle sequences, and use cryptographically secure generation.
Calculate, simplify, and convert ratios to decimal and percentage values. Generate equivalent ratios instantly for scaling and proportion problems.
Trace the full redirect chain for any URL. See every HTTP hop, status code, and final destination to debug SEO, link shorteners, and site migrations.
Calculate Return on Investment (ROI) instantly. Enter your investment cost and final return to see profit percentage, net gain, and annualized ROI for any investment period.
Free online scientific calculator with trigonometric, logarithmic, exponential, and statistical functions. Supports degree/radian modes, memory operations, and calculation history.
Check your screen resolution, viewport size, device pixel ratio, color depth, and device type instantly in your browser.
Compute sample and population standard deviation, variance, mean, and range from comma, space, or line-separated numeric values.
Calculate stock trading profit or loss including brokerage fees and taxes. Find net gain, return percentage, and break-even price for your trades.
Optimize SVG markup by removing comments, metadata, extra whitespace, and unnecessary decimal precision. Reduce file size before shipping icons, logos, and illustrations.
Calculate your Total Daily Energy Expenditure (TDEE) and BMR using the Mifflin-St Jeor equation. Get daily calorie targets for weight loss, maintenance, and muscle gain.
Calculate tips and split bills easily. Choose tip percentage, split between multiple people, and get per-person totals instantly.
Convert TOML configuration files to YAML format instantly in your browser. Supports Cargo.toml, pyproject.toml, and all TOML spec types. Free, no signup required.
Generate ULIDs, lexicographically sortable unique identifiers, in your browser using the Web Crypto API. Monotonic and lowercase options, bulk generation. Free ULID generator, no signup.
Compare two products by price per unit and savings percentage to find the best value. Great for grocery shopping, bulk buying, and cost-per-use analysis.
Free online tool to encode or decode URL components. Fast, private, and easy to use with no login required. All processing happens in your browser.
Check URL redirect chains, final destination URL, and HTTP status codes for any link to debug SEO migrations and shortened URLs.
Estimate your visceral fat area (VFA in cm²) using the Samouda anthropometric model - no blood test required. Get your risk level, waist-to-height ratio, and a personalised fat-loss action plan.
Calculate your waist-to-hip ratio (WHR) using WHO standards to assess cardiovascular health risk. Identifies apple vs pear body shape and provides risk categories for men and women.
Calculate how much water you should drink daily based on your body weight, activity level, and climate. Get personalized hydration recommendations in liters, ounces, and glasses.
Generate and download a simple WAV audio file online. Create a pure tone, test beep, white noise, or silence with custom frequency, duration, sample rate, and bit depth. Free, no signup.
Validate XML documents for well-formedness and syntax errors. Get instant feedback with line numbers, error details, and document statistics. Free online XML checker.
Convert YAML configuration files to TOML format in your browser. Handles nested tables, arrays, scalars, and array-of-tables sections. Free, no upload required.
Calculate z-score, percentile, and tail probability from value, mean, and standard deviation for normal distribution analysis.