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Text Compare
Text ToolsCompare two texts side-by-side and see differences highlighted instantly. Supports character, word, and line comparison...
Energy Converter
Unit Converter ToolsConvert between Joules, Calories, Kilowatt-hours, BTU and more. Instant results with customizable precision for science...
Holiday Calendar
Date & Time ToolsBrowse public holidays for 199 countries. Filter by holiday type, navigate years, and see the next upcoming holiday at a...
Length Converter
Unit Converter ToolsConvert between metric, imperial, and other length units instantly. Supports 14 units from nanometers to light years.
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Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking i...
Perform quick calculations with standard and scientific modes. Supports keyboard input, calculation...
Test your keyboard for broken keys, ghosting, and rollover issues. Supports Full (100%), TKL (80%),...
Test your monitor's refresh rate with visual animations. Compare 30Hz, 60Hz, 120Hz side by side and...
Count characters, words, sentences, and paragraphs instantly. Check text against platform limits for...
Test, calibrate, and fix your display with 12 professional tools: Dead Pixels, Master Pattern, SMPTE...
Test mouse buttons, scroll wheel, click speed (CPS), and drag functionality. Visual feedback shows i...
Test your touchscreen for dead zones, multi-touch support, and responsiveness. Draw mode for accurac...
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Calculate your daily water intake based on body weight, activity level, and climate. Get results in...
Find your optimal bedtime or wake-up time based on 90-minute sleep cycles. Wake up refreshed by timi...
Check blood type compatibility for donation, transfusion, and pregnancy. Instantly see if blood type...
Calculate your Body Mass Index instantly. See your health category, healthy weight range, and get pe...
Calculate your daily calorie needs using TDEE and BMR formulas. Get macro breakdown and weight goal...
Estimate your body fat percentage using Navy, BMI-based, or RFM methods. View health classification,...
Calculate your ideal body weight using four medical formulas — Devine, Robinson, Miller, and Hamwi —...
Calculate your daily protein, carbs, and fat needs based on your body stats, activity level, and fit...
Scan and decode barcodes from images or your camera. Supports EAN-13, UPC-A, Code 128, and many more...
Test your game controller buttons, joysticks, triggers, D-pad, and vibration. Supports Xbox, PlaySta...
Create customizable QR codes for URLs, WiFi, contacts, email, SMS, locations, events, and crypto add...
Scan and decode QR codes from images or your camera. Instantly detects URLs, WiFi credentials, conta...