Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tools
How to record a browser tab with its audio
Record a browser tab with its sound using TooLab Screen Recorder. Learn what to select, how to include audio, and what to check if the video is silent.
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Tests
Why moving text looks smeared on some screens
Learn why text blurs while scrolling, how to check your screen's refresh rate, and which display settings can reduce smearing or ghost trails.
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Tests
How to check a laptop screen at different brightness
Check a laptop display at low, medium, and high brightness to spot uneven lighting, pixel faults, and changes that are easy to miss at one setting.
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Tests
How to check if your monitor is using native resolution
Check the resolution your monitor is using, compare it with its native pixel resolution, and fix a mismatch that can make text look blurry.
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Tests
Why your portrait monitor has the wrong orientation
Find the right display, set portrait orientation in Windows or macOS, and fix a monitor that appears sideways, upside down, or on the wrong screen.
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Tests
What battery percentage per minute can tell you
Learn how to read a battery's percent-per-minute charging rate, compare chargers fairly, and spot when a low reading points to the device or setup.
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Tests
Can a browser test reveal a charger's real wattage?
Check what the browser's Charger & Cable Test can measure, how to compare chargers and cables, and why percent per minute is not wattage.
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Tests
Laptop plugged in but battery percentage not increasing
Find out why your laptop says it is charging but the battery stays put, compare chargers and cables, and check which fixes are safe to try.
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Tests
Why a USB-C connector doesn't guarantee high speed
Learn why USB-C ports and cables can still be slow, how to test a flash drive or card, and which part of the connection limits transfers.
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Tests
How to compare a card reader with a camera's USB
Compare the same memory card in a card reader and a camera, then learn what the speed results say about the card, USB link, and transfer method.
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Tests
Why external drives slow down through USB hubs
Learn why an external drive slows down through some USB hubs, how to compare its speed, and which cable, port, or power fix to try.
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Apps
How to change the color tone of a photo
Warm up a cool photo, soften a color cast, or create a mood with TooLab's browser Photo Editor, then check that skin and whites still look natural.