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Powerful online tools to boost your productivity and creativity
Featured Tools
Handpicked tools to supercharge your workflow
Dice Roller
Roll virtual dice online — D4, D6, D8, D10, D12, D20, D100, or custom. Animated 3D dice, sound effects, and roll history.
QR Code Reader
Scan and decode QR codes from images or your camera. Instantly detects URLs, WiFi credentials, contacts, and more.
Barcode Reader
Scan and decode barcodes from images or your camera. Supports EAN-13, UPC-A, Code 128, and many more formats instantly.
Multi Stopwatch
Run multiple stopwatches simultaneously with lap timing. Track workouts, racing, study sessions, or any timed activities with precision.
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.
Spin the Wheel
Make fair random selections with a customizable spinning wheel. Perfect for lucky draws, giveaways, classroom activities, and decision making.
Event Countdown
Create countdowns for any event - birthdays, weddings, holidays, or custom dates. Choose from 20+ themed timers with visual effects.
Holiday Calendar
Browse public holidays for 199 countries. Filter by holiday type, navigate years, and see the next upcoming holiday at a glance.
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Trending Tools
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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.
Generate strong random passwords and memorable passphrases with customizable length, characters, and strength indicator.
Latest Tools
Freshly added to our collection
Calculate heat energy, mass, specific heat capacity, or temperature change using the formula Q = mcΔT with built-in material lookup.
Calculate wavelength, frequency, or wave speed using λ = v/f. Supports electromagnetic and sound waves with preset speeds and EM spectrum visualization.
Calculate the period, frequency, and length of a simple pendulum. Supports multiple planets with animated visualization.
Calculate the height, time, and impact velocity of a free-falling object under gravity on any planet.
Calculate density, mass, or volume using the formula ρ = m/V. Supports multiple units with real-time results and material comparison.
Calculate acceleration, velocity, displacement, or time using kinematic equations. Solve any variable with step-by-step solutions.
Calculate kinetic energy, mass, or velocity using KE = ½mv². Supports multiple units with real-time results and energy comparisons.
Calculate force, mass, or acceleration using Newton's Second Law (F = ma). Supports multiple units with real-time results and visual comparisons.
Calculate gravitational potential energy, mass, gravity, or height using PE = mgh. Supports multiple units and planet gravity presets.
Calculate power factor, real power, reactive power, apparent power, and phase angle for AC circuits from any two known values.
Calculate velocity, distance, or time using the formula v = d/t. Supports multiple units with real-time results and step-by-step solutions.
Calculate range, max height, flight time, and impact velocity for projectile motion. Visualize trajectories and compare up to 3 launches.