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Utilities
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Create a QR code
QR Code GeneratorRead a QR code
QR Code DecoderExtract text from an image
Image to Text OCRTest a mouse
Mouse TestTest a connected device
Device DiagnosticsCheck typing speed
Typing Speed TestGenerate names
Random Name GeneratorPick at random
Random WheelConvert a file
File ConverterWork with data or text
Data & TextConvert units and calculate everyday values
CalculatorsCheck color contrast
Color Contrast CheckerCount words and characters
Text CounterExtract colors from an image
Image Palette ExtractorGet the current 2FA code
Get 2FA CodeWrite and compile LaTeX
LaTeX EditorNo utility matches that search.
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Format JSON to follow its structure, compare two versions of text, or count words before submitting a draft.
Explore data and text toolsA check before a replacement.
Test a keyboard, mouse, or connected device. Repeat unexpected results and check settings or connections before deciding that hardware has failed.
Explore device checksUseful reading
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Guides to choosing tools, diagnosing problems, and understanding the results.
How to Test a Keyboard and Mouse: A Step-by-Step Diagnosis
What Is AI, Really? How It Learns, Generates, and Gets Things Wrong
Passwords vs Passkeys: How Modern Sign-In Actually Works
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