Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Games
How to practice mouse precision with smaller targets
Build mouse accuracy with a simple target-size routine, learn when to shrink targets, and check whether mouse settings are getting in the way.
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Games
How to compare aim accuracy at two mouse sensitivities
Compare two mouse sensitivities with the same aim trainer drills, track hit rate and speed, and choose the setting that works best for you.
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Tools
Why leading zeros disappear from CSV data
Learn why leading zeros disappear from CSV data, how to check whether the file or spreadsheet changed them, and how to keep IDs intact.
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Tools
How to clean a CSV before importing it into a database
Check headers, blanks, duplicates, and inconsistent values in a CSV, then save a cleaner file that is easier to import into a database.
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Apps
How to adjust photo brightness and contrast
Learn how to brighten a dark photo, add contrast without losing detail, and make careful adjustments in TooLab's browser-based Photo Editor.
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Apps
How to join several audio clips into one file
Combine audio clips in the right order, smooth the joins, and export one finished MP3 or WAV file using TooLab's browser-based Audio Editor.
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Tools
How to record a software bug for tech support
Record the steps that trigger a software bug, include useful audio, and save a clear screen recording without exposing private information.
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Tests
How to test whether Wi-Fi is dropping packets
Check for Wi-Fi drops with a live browser test, learn what lost requests mean, and narrow down whether the cause is your router or internet.
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Tests
Why Wi-Fi jitter matters for video calls
Learn how Wi-Fi jitter makes calls choppy, how to measure it in your browser, and which fixes can make audio and video more stable.
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Tests
Keyboard randomly misses letters when typing fast
Find out whether your keyboard is dropping individual presses, missing overlapping keys, or losing input in one app, then use a quick test to choose the right fix.
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Tests
Why microphone noise suppression cuts off words
Learn why noise suppression clips the start or end of your words, test whether the browser is doing it, and adjust your microphone settings.
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Tests
Why your two monitors have different scaling
Find out why text and windows look different across two monitors, check each display's resolution and scale, and adjust the right setting.