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Monitor Test
Browser & Device TestingTest, calibrate, and fix your display with 12 professional tools: Dead Pixels, Master Pattern, SMPTE Bars, Gamma, Respon...
Remove Duplicate Lines
Text ToolsRemove duplicate lines from text instantly. Compare by case, trim whitespace, keep first or last occurrence, and sort re...
Speaker Tester
Browser & Device TestingTest your speakers and headphones with stereo channel tests, frequency sweeps, and audio playback. Check left/right chan...
Text Reverser
Text ToolsReverse text in 6 ways: entire text, words, word order, lines, line order, or sentence order. Real-time preview with one...
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Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking i...
Test your keyboard for broken keys, ghosting, and rollover issues. Supports Full (100%), TKL (80%),...
Perform quick calculations with standard and scientific modes. Supports keyboard input, calculation...
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 mouse buttons, scroll wheel, click speed (CPS), and drag functionality. Visual feedback shows i...
Test, calibrate, and fix your display with 12 professional tools: Dead Pixels, Master Pattern, SMPTE...
Test your touchscreen for dead zones, multi-touch support, and responsiveness. Draw mode for accurac...
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Find the best meeting times across different timezones. Compare working hours of multiple participan...
Convert between kg/m³, g/cm³, lb/ft³, g/mL and more. Instant results with customizable decimal preci...
Convert GPS coordinates between Decimal Degrees, DMS, DDM and UTM formats. Interactive map preview w...
Convert between degrees, radians, gradians, arc minutes, arc seconds, and other angle units. Instant...
Convert between Newtons, pounds-force, kilogram-force, dynes, and other force units. Instant results...
Convert between Newton-meters, foot-pounds, inch-pounds and more. Instant results with customizable...
Convert between Hertz, Kilohertz, Megahertz, RPM, and more. Instant results for electronics, audio,...
Convert between Watts, Horsepower, BTU/h, and more. Instant results with customizable precision for...
Convert between Joules, Calories, Kilowatt-hours, BTU and more. Instant results with customizable pr...
Find your timezone instantly and convert time between world time zones. Lookup timezones by country,...
Convert between Pascal, Bar, PSI, Atmosphere, Torr and more. Instant results with customizable preci...
Display multiple clocks for different time zones around the world. Track time in major cities, add c...