Free Online Tools & Utilities
Powerful online tools to boost your productivity and creativity
Featured Tools
Handpicked tools to supercharge your workflow
BAC Calculator
Estimate your blood alcohol content using the Widmark formula. Enter your weight, gender, drinks, and hours drinking to see your impairment level and time to sober.
Dice Roller
Dice roller for D4 to D20 and custom-face dice — throw many at once, add modifiers, roll with advantage or disadvantage, and track your roll history.
Holiday Calendar
Browse public holidays for 199 countries. Filter by holiday type, navigate years from 2024 to 2030, and see the next upcoming holiday at a glance.
Calculator
An online calculator with standard and scientific modes. Handles trigonometry, logarithms, powers, percentages, and parentheses, with live results, history, and keyboard support.
QR Code Reader
Scan and decode QR codes from an image or your camera. Detects URLs, WiFi logins, contacts, and more — all in your browser.
Coin Flip
Flip a coin online to settle any decision with a fair, random heads or tails — or use Yes/No and custom modes with weighted odds.
QR Code Generator
Create QR codes for URLs, WiFi, contacts, email, SMS, locations, events, and crypto. Customize colors, dots, and logo, then download as PNG, SVG, or JPG.
Spin the Wheel
Spin the wheel to pick a random name, winner or decision. Add your own entries, set custom odds, draw multiple winners and share a wheel.
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Trending Tools
Most popular tools right now
Test your laptop touchpad in the browser - check taps, clicks, scroll, pinch and multi-touch gestures, find dead zones, and measure its size in real time.
Generate creative usernames for social media, gaming, and online accounts. Pick a style, add a keyword, and copy or save the names you like.
Fake hacking screen: mash any keys and realistic code streams onto a dark terminal. Switch themes and code sources, paste your own code, and trigger Access Granted popups.
Convert GPS coordinates between Decimal Degrees, DMS, DDM, and UTM. See all four formats at once, preview on an interactive map, and copy any result.
Simulate realistic OS update screens fullscreen to prank friends. Supports Windows 11, Windows 10, macOS, and Ubuntu with stuck mode, BSOD, and kernel panic effects.
Browse a complete list of world time zones with abbreviations, UTC offsets, IANA identifiers, DST status, and live local time. Filter by country, region, or offset and export.
Build a virtual fish tank in your browser. Add fish, sea creatures, and decor, then watch them swim, feed, and even hunt with lifelike behaviors.
Test every key on your keyboard in the browser. Pressed keys glow, tested keys turn green, and a history log catches ghosting and double-typing. Full, TKL, and MacOS layouts.
Latest Tools
Freshly added to our collection
Estimate your household's daily, monthly, and yearly water consumption from habits like showering, laundry, and garden watering.
Measure land area and perimeter by drawing on a satellite map or walking the boundary with GPS, with instant conversion between 27 regional land units.
Find the right BTU capacity for your air conditioner based on room size, type, sun exposure, ceiling height, and insulation to keep your room comfortable.
Compare the long-term cost of renting versus buying a home to find your breakeven year and decide which leaves you better off.
Calculate how many light bulbs your room needs from its dimensions, room type, and bulb specs for the right amount of light.
Estimate how much your appliances cost to run per day, month, and year from their wattage, daily usage hours, and your electricity rate.
Build a weekly cleaning schedule for your home. Organize tasks by room, set how often each is done, assign chores to members, and track daily progress.
Estimate your annual carbon footprint from energy use, transportation, diet, and lifestyle. See how you compare to world averages and get tips to cut emissions.
Decode laundry care symbols on clothing labels. Look up washing, bleaching, drying, ironing, and dry cleaning instructions by symbol, fabric, or temperature.
Track a watering schedule for your indoor plants. Add each plant with its own frequency and see what's overdue, due today, or coming up next.
Plan your move with an interactive timeline checklist. Track progress across 8 phases from planning to settling in, with 48 pre-built tasks and custom task support.
Look up greetings, dining rules, dress codes, tipping norms, and business etiquette for 80 countries, each with a formality rating and Do's and Don'ts.
Latest Tutorials
Step-by-step guides to get the most out of our tools
Can a dirty or oily touchpad surface cause tracking errors?
Yes — oils, skin residue, and moisture on a touchpad surface alter the capacitive field, causing the controller to misre...
Windows Precision Touchpad vs Apple Force Touch: what each platform adds
Microsoft and Apple took two distinct engineering paths for premium trackpad input — one standardized gesture routing at...
Laptop touchpad vs Apple Magic Trackpad: precision and gesture trade-offs
Same Force Touch technology, completely different form factors — the gap between a built-in laptop trackpad and an Apple...
Common touchpad failure modes in heavily used laptops (worn surface, flex damage)
After two or three years of daily use, a touchpad's problems shift from software to physics. Surface wear, flex damage,...
Touchpad vs external mouse for productivity: when each is the right tool
The answer is not simply "use a mouse" — task type, desk space, and how long you sit all shift the equation significantl...
Why a touchpad may stop working after Windows updates or driver changes
A Windows update finishes, the laptop restarts — and the touchpad is dead. This specific failure follows a predictable p...