Utility Tools

Score your password strength and generate stronger ones.

Generate strong random passwords with configurable length and character sets.

Let the tool randomly pick from your list of options.

Spin a wheel for a random yes or no answer.

Pick a date and time to generate Discord timestamp tags with live preview and one-click copy.

Design Discord embeds with live preview — copy JSON for bots, webhooks, and Discord.js.

Detect your current screen resolution and aspect ratio.

Detect automaticly your current screen resolution and aspect ratio.

Common Apple device screen sizes and resolutions.

Calculate reduced aspect ratios and proportional dimensions.

Analyze text statistics: characters, words, lines, paragraphs.

Convert numbers to Roman numerals and Roman numerals to numbers.

Calculate Flesch, FK Grade, Gunning Fog, and SMOG readability scores.

Convert numeric values into English words, including negatives and decimals.

Convert between metric and imperial units for length, weight, volume, and area.

Online stopwatch with lap tracking, split times, and best/worst lap highlighting.

Generate random integers or decimals within any range, with no-duplicate and sort options.

Calculate mean, median, mode, standard deviation, variance, and more from a list of numbers.

Calculate your weighted GPA from courses, letter grades, and credit hours on a 4.0 scale.

Flip a virtual coin online for a random heads or tails result. Supports multi-flip mode and tracks your heads/tails statistics.

Free online countdown timer with hour, minute, and second input, quick presets, and an audio alarm when time is up.

Resize any image in your browser — set dimensions, choose JPEG, PNG, or WebP format, and download the result. Nothing uploaded.

Free online tally counter with multiple named counters. Click to increment, decrement, or reset each counter independently.

Play white, pink, or brown noise to help you focus, relax, or fall asleep. Generated in your browser using the Web Audio API.

Generate Fibonacci, prime, powers of 2, triangular, square, cube, factorial, arithmetic, and geometric sequences. Copy as a comma-separated list or with custom separators.

Generate the multiplication table for any number from 1 to 20. Choose how far to count, hover rows to highlight them, and copy the full table as plain text.

Tap in rhythm to calculate beats per minute (BPM).

Format any number in 14 different ways — US/EU/Indian locale, currency, scientific notation, engineering, words, binary, hex, octal, and more.

Explore all 118 elements of the periodic table. Click any element to see atomic number, symbol, name, mass, and category. Search and filter by element type.

Convert fuel efficiency between MPG (US), MPG (UK), L/100km, and km/L. Includes a trip cost calculator — enter distance and fuel price to estimate total fuel spend.

Convert shoe sizes between US, UK, EU, CM, and Japanese sizing for men, women, and kids. Full size charts included — find your equivalent size in any system instantly.

Solve any triangle using SSS, SAS, ASA, or AAS. Calculate all missing sides, angles, area, and perimeter with an SVG visualization and triangle type detection.

Generate random full names, first names, or last names. Choose male, female, or any gender across 7 nationalities — English, Spanish, French, German, Japanese, Arabic, and Italian.

Shuffle any list instantly. Paste items one per line, randomize the order, or pick a single random item. Perfect for random order, name draws, playlist shuffles, or deciding who goes first.

Randomly split a list of names into teams. Paste names one per line, choose 2–10 teams, shuffle, and re-shuffle with colored team cards. Shareable link included.

Generate printable bingo cards online. Choose numbers (B-I-N-G-O columns) or custom words, preview cards, and download each as PNG or print all at once.

Generate unique usernames in gamer, professional, cute, or random styles. Add a keyword, toggle numbers, and get dozens of ideas at once. Shows character limits for major platforms.

Solve quadratic equations (ax² + bx + c = 0) with step-by-step solutions. Get real and complex roots, discriminant, vertex, and parabola direction. Free quadratic equation solver.

Calculate pixels per inch (pixel density) for any screen. Enter resolution and screen size to get PPI, PPCM, megapixels, and dot pitch. Also converts pixels to inches, cm, and mm.

Generate strong, memorable passphrases using random words. Customize word count, separators, and capitalization. See entropy and estimated crack time.

Convert file sizes between bytes, KB, MB, GB, TB, and more in both SI (decimal) and IEC (binary) notation. Instantly compare how drive manufacturers vs. operating systems measure storage.

Calculate how long it takes to download any file at a given internet speed. Supports Kbps, Mbps, Gbps, and MB/s with quick presets for 3G, 4G, 5G, and broadband.

Enter any one property of a circle — radius, diameter, area, or circumference — and instantly calculate all the others using standard geometry formulas.

Calculate the total square footage of one or more rooms. Supports rectangular, triangular, and circular shapes. Add multiple rooms and get instant totals in ft² and m².

Calculate the maximum allowed downtime for any uptime SLA percentage. See how much downtime is permitted per year, month, week, and day for 99%, 99.9%, 99.99% and custom SLAs.

Validate and parse IBAN numbers — check format, verify the checksum, and extract country and BBAN.

Stuck on Wordle? Enter your guesses, mark letters as correct, present, or absent, and instantly see all remaining valid words — filter your way to the answer.

Instantly extract and download high-resolution video thumbnails from any YouTube link.

Instantly preview, extract and download high-resolution video thumbnails from any YouTube link.

Free browser-based Icon Generator. Create customized icons, browse FontAwesome icons, customize colors, sizes, and backgrounds, and export them instantly.

Securely lock and unlock any file directly in your browser using military-grade AES-GCM encryption with complete local privacy.

Convert any PNG into a complete favicon package with favicon.ico, browser icons, a web manifest, and ready-to-use HTML tags.

Generate strong, secure random passwords from 12 to 64 characters directly in your browser.

Call random Bingo numbers from 1–75 or 1–90 with manual and automatic calling.

Simulate realistic Windows XP, 7, 8, 10, and 11 blue screens with fullscreen mode, animated progress, stop codes, QR display, fake startup, and looping.

Run customizable fullscreen screensavers including DVD bounce, Matrix rain, flip clock, starfield, Mystify, No Signal, and smooth color breathing effects.

Record your screen, browser tab, or app window with optional audio. Adjust frame rate and quality, then preview, download, or erase your recording.

Explore 600 file extensions, their meanings, uses, compatible programs, and file safety tips.

Explore 249 countries and territories with ISO codes, calling codes, currencies, capitals, and domain extensions.

Visualize fan RPM, animate cooling airflow, compare fan sizes, and calculate rotational frequency, blade-tip speed, and blade-pass frequency.

Estimate heating power, energy demand, and fuel consumption for wood, gas, oil, electricity, and heat pumps.

Convert RPM to Hz, calculate angular velocity, blade-tip speed, rotational frequency, and explore fan speed simulations.

Turn your screen into a flashlight with white, warm, red, and custom colors, adjustable brightness, and fullscreen mode.

Simulate traffic lights with automatic cycles, manual controls, and adjustable countdown timers.