mp3 compressor
A high-performance in-browser audio converter supporting MP3 and WAV input with adjustable bitrate, real-time progress tracking, and LAME.js-powered encoding via Web Workers. Features drag-and-drop upload, instant audio preview, output file comparison.
Go to mp3 compressorbody fat calculator
A tool that calculates body fat percentage using the U.S. Navy formula. It supports metric and imperial units, shows fat and lean mass, and adjusts for gender and units to help track body composition. Ask ChatGPT
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Pregnancy Due Date and Development Calculator
Go to pregnancy conception calculatorbillionaires
An interactive tool for exploring the world's wealthiest individuals with live search, category filters (e.g., women, young, self-made), and detailed profile views.
Go to billionairesclick speed test
Measures how many times a user can click within a selected time duration. Calculates and displays the clicks per second (CPS) along with a rank. Includes retry functionality and theme toggle (dark/light).
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A dictionary tool that loads and searches definitions from a cached or online source. It displays random words on load, allows live search, and shows definitions with parts of speech if available.
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A live earthquake data explorer tool that fetches and displays real-time seismic activity using the USGS API. Users can search earthquakes by date, magnitude, and location, view sorting options, toggle detail views with links to tectonic context, and explore mapped locations via Google Maps.
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An interactive hacker-style typing simulation with customizable speed, themes, cursor style, and dynamic access granted/denied popups based on typing thresholds. Includes status messages and UI toggle panel.
Go to fake hacker typingflashcard maker and viewer
A dynamic flashcard creation and study app with dual maker/viewer modes, rich text editing, local storage support, dark/light themes, and the ability to export cards as high-quality PNG images in a ZIP file.
Go to flashcard maker and viewerip address checker
An interactive IP and domain lookup tool with real-time geolocation, DNS resolution, ISP and proxy detection, and dynamic Leaflet-based map visualization. Supports IP address, domain name, or location input with status overlays, multiple data provider fallback.
Go to ip address checkeropen library
A dynamic Open Library-powered book search app with real-time querying, random discovery, detailed previews, and graceful fallback handling. Features include cover art display, responsive modal previews,
Go to open libraryperiodic table
An interactive periodic table app powered by real-time JSON data from GitHub. It features dynamic category-based filtering, live search, responsive element detail pane, animated Bohr model visualization,
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highly customizable QR code generator with real-time UI controls, logo embedding
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QR Code Scanner and Analyzer Widget, designed for use in modern web applications. It offers two primary modes: live camera scanning and image upload analysis.
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Builds strong passwords based on selected character types (uppercase, lowercase, numbers, symbols),
Go to random password generatorrecipes
This JavaScript tool fetches and manages a collection of recipes with interactive filtering by search terms, favorites, and ingredient selection. It features a sidebar, modal recipe details, a cook-along stepper, ingredient analytics, and a persistent shopping list stored in localStorage. The app supports dynamic ingredient filtering, recipe favoriting, and responsive UI elements optimized for desktop and mobile.
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This Sleep Calculator helps users determine optimal sleep and wake-up times based on sleep cycles, aiming to improve rest quality. It calculates recommended sleep times by considering typical 90-minute sleep cycles and time to fall asleep. The tool provides wake-up time suggestions if the user inputs their bedtime, or ideal bedtimes if they specify a wake-up time, including customizable cycle counts.
Go to sleep calculatortower of hanoi
This Tower of Hanoi tool visually simulates the classic recursive puzzle where disks are moved between rods following specific rules. Users can specify the number of disks, and the tool demonstrates the step-by-step solution using animation or text output, helping learners understand recursion and algorithmic problem-solving.
Go to tower of hanoityping test
This Typing Test tool measures typing speed and accuracy in real-time. Users type randomly generated or custom text passages, and the tool calculates words per minute (WPM), characters per minute (CPM), error rate, and time elapsed. It provides instant feedback, performance stats, and optionally highlights mistakes for skill improvement.
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This Weather tool fetches real-time weather data based on the user's location or a searched city. It displays current conditions such as temperature, humidity, wind speed, and weather status using a clean, responsive interface. It supports dynamic icons, unit toggling (Celsius/Fahrenheit), and optional hourly or weekly forecasts.
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The Wiki Explorer tool allows users to search and browse Wikipedia articles seamlessly. It features instant search suggestions, dynamic result loading, and clean article previews. Users can explore summaries, navigate internal links, and optionally open full articles in a new tab — all within a minimal, distraction-free interface.
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