Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
SD card fails near its advertised capacity
Learn why an SD card stops accepting files near its stated size, how to verify its real capacity safely, and what to do with the result.
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Tools
Why two photos from the same phone have different EXIF tags
Learn why photos from one phone can have different EXIF tags, what changes are normal, and how to spot metadata removed by editing or sharing.
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Tests
Pixel flickering on screen? How to check it
Check whether a flickering pixel comes from the panel, cable, refresh setting, or graphics, and learn when a pixel-fixing pattern is worth trying.
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Tests
How to compare keyboard switch sounds at the same distance
Compare keyboard switch sounds fairly by keeping the microphone distance, typing pattern, and room conditions consistent, then compare Noise Meter readings.
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Tests
Why screenshots have unexpected dimensions on Retina
Find out why a Retina screenshot is larger or smaller than expected, how display scaling and capture methods affect its pixel dimensions, and what to check.
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Tests
How to inspect touch zones used by navigation buttons
Find out whether missed navigation taps come from a touchscreen dead zone, an operating system gesture area, or the button layout itself.
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Tools
How to put a phone number in a QR code
Make a QR code that opens a call or saves your contact. Format the number correctly, test it on a phone, and avoid codes that won't scan.
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Tests
How to test a touch monitor connected through USB
Test taps, multitouch, and dead zones on a USB touch monitor, then find out whether the problem is the cable, screen mapping, Windows, or hardware.
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Apps
How to make a product photo background white
Replace a distracting backdrop with clean white while keeping product edges, color and shadows believable in TooLab's browser-based Photo Editor.
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Tools
Make a QR code for a customer feedback form
Create a QR code that opens your customer feedback form, test it on a phone, and choose a size and placement customers can scan easily.
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Tools
How to create a time board for a global operations room
Build a live time board for teams in several regions. Choose representative cities, handle daylight saving changes, and label shift handoffs clearly.
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Tests
How to test an external SSD's transfer speed
Measure an external SSD's read and write speed in your browser, then check whether the cable, port, hub, or drive is slowing transfers down.