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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.
Barcode Reader
Scan and decode barcodes from images or your camera. Supports EAN-13, UPC-A, Code 128, and many more formats instantly.
Calculator
Perform quick calculations with standard and scientific modes. Supports keyboard input, calculation history, and works on all devices.
QR Code Reader
Scan and decode QR codes from images or your camera. Instantly detects URLs, WiFi credentials, contacts, and more.
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.
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.
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.
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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.
Generate strong random passwords and memorable passphrases with customizable length, characters, and strength indicator.
Latest Tools
Freshly added to our collection
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.
Calculate frequency, duty cycle, and timing for 555 timer IC circuits in Astable and Monostable modes.
Calculate capacitance, charge, energy, and impedance for capacitors. Supports series and parallel combinations with real-time results.
Calculate inductance, stored energy, inductive reactance, series/parallel combinations, and LC resonant frequency with quality factor.
Calculate the right wire gauge for your electrical project based on current, voltage, distance, and acceptable voltage drop.
Calculate output voltage for resistor voltage divider circuits. Find resistor values, analyze load effects, and get E24 standard suggestions.
Calculate Voltage, Current, Resistance, and Power instantly. Enter any 2 values and get the other 2 using Ohm's Law and the Power Wheel.
Decode resistor values from color bands (4, 5, 6-band) or convert resistance values back to color codes instantly.
Estimate how long a battery will last based on capacity, current draw, and efficiency. Calculate required battery capacity for your desired runtime.
Play piano in your browser with realistic sounds, multiple instruments, recording, and a built-in song library with learn mode.