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Powerful online tools to boost your productivity and creativity
Featured Tools
Handpicked tools to supercharge your workflow
Spin the Wheel
Make fair random selections with a customizable spinning wheel. Perfect for lucky draws, giveaways, classroom activities, and decision making.
World Clock
Display multiple clocks for different time zones around the world. Track time in major cities, add custom locations, and switch between digital, analog, and flip clock styles.
What Should I Eat
Can't decide what to eat? Let this random food picker choose for you! Pick from cuisines worldwide or create your own custom food list.
BAC Calculator
Estimate your blood alcohol content (BAC) using the Widmark formula. Enter your weight, gender, drinks consumed, and hours drinking to see your impairment level and time to sober.
Holiday Calendar
Browse public holidays for 199 countries. Filter by holiday type, navigate years, and see the next upcoming holiday at a glance.
Multi Stopwatch
Run multiple stopwatches simultaneously with lap timing. Track workouts, racing, study sessions, or any timed activities with precision.
Barcode Reader
Scan and decode barcodes from images or your camera. Supports EAN-13, UPC-A, Code 128, and many more formats instantly.
Love Calculator
Calculate love compatibility using 10 scientifically-inspired factors including personality, values, lifestyle, communication, and more.
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Trending Tools
Most popular tools right now
Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking in real-time.
Simulate hacking on screen with realistic code output. Type any key to display code from multiple programming languages with terminal effects.
Simulate realistic OS update screens fullscreen to prank friends. Supports Windows 11, Windows 10, macOS, and Ubuntu with BSOD and kernel panic effects.
Generate creative usernames for social media, gaming, and online accounts with multiple styles and multi-language wordlists.
Convert GPS coordinates between Decimal Degrees, DMS, DDM and UTM formats. Interactive map preview with click-to-get-coordinates feature.
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files. Compare hashes to verify file integrity.
Calculate subnet mask, network address, broadcast address, host range, and CIDR notation for IPv4 and IPv6 networks.
Test your keyboard for broken keys, ghosting, and rollover issues. Supports Full (100%), TKL (80%), and MacOS layouts with visual feedback.
Latest Tools
Freshly added to our collection
Calculate flooring materials needed for any room shape. Estimate pieces, boxes, costs, and skirting length.
Calculate roof pitch, angle, and slope multiplier from rise and run measurements, pitch ratio, or angle input.
Calculate the exact number of tiles needed for your floor or wall project, with grout spacing, waste percentage, and cost estimation.
Calculate how much paint you need for interior or exterior projects. Accounts for room dimensions, openings, paint type, coats, waste, and provides multi-room summaries.
Find the electron configuration, orbital diagram, and quantum numbers for any of the 118 elements.
Calculate concrete volume for slabs, footings, columns, walls, stairs, and more. Get bag estimates, cost projections, and export results as PDF.
Calculate area in square feet for any room or space. Supports 8 shapes, multi-zone areas, unit conversion, and cost estimation.
Estimate roofing materials and costs for your project. Calculate shingles, underlayment, ridge caps, and more based on roof dimensions, pitch, and type.
Balance chemical equations instantly with step-by-step solutions, element verification, and reaction type detection.
Calculate dilution volumes and concentrations using the C₁V₁ = C₂V₂ formula. Supports simple and serial dilutions.
Calculate amounts of reactants and products in chemical reactions with automatic equation balancing, limiting reagent detection, and unit conversions.
Calculate molarity, solute mass, or solution volume instantly. Includes dilution calculator and concentration unit converter.