Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
How to test Wi-Fi jitter near a USB-C dock
Measure Wi-Fi response time, jitter, and drops beside a USB-C dock, then compare docked and undocked results to see whether it affects your connection.
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Tests
How to check compass direction on an Android tablet
Check whether your Android tablet reports a usable compass heading, identify sensor limits and magnetic interference, and learn what to try next.
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Tests
How to spot high jitter during uploads before an exam
Measure connection jitter before and during an upload, learn what spikes and lost requests mean, and improve stability before a remote exam.
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Tools
Plan a call across time zones for a live online event
Compare local times for every attendee, catch date changes and daylight saving shifts, and choose a practical time for your live online event.
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Tools
Check fonts on a work laptop for an accessibility audit
Check which fonts are available on a work laptop, preview audit text, and spot missing characters or fallback before documenting accessibility issues.
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Tools
How to split a messy CSV column for parts data
Learn how to split mixed part details into clean CSV fields by hand, preserve IDs and units, and prepare a safer database import.
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Tests
How to check bufferbloat on a phone hotspot
Test a phone hotspot, understand its A+ to F bufferbloat grade, and find out whether loaded delay comes from cellular congestion or local Wi-Fi.
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Apps
How to fix a dull product image for a campaign
Lift a flat product photo without washing out its details, then check that it still looks clear and honest in your nonprofit campaign design.
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Tests
Treble clarity on a USB audio interface: what to know
Use a browser speaker test to separate a USB interface's treble problem from headphones, cables, output settings, and the source audio.
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Tests
What quiet listening levels reveal about MacBook speakers
Test a MacBook speaker at a low volume to check left-right balance, speech clarity and distortion, then separate normal quiet-level limits from faults.
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Tests
How to inspect hardware on a locked-down PC
See what a locked-down PC reveals without installing software: check processor, graphics, display and battery details, and learn what a browser cannot show.
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Tests
Check speed in different browsers before remote desktop
Compare download, upload, ping, and jitter in two browsers, then tell whether a slow remote desktop session comes from the browser or connection.