Blog
Short, practical guides for checking your hardware and fixing what the tests find.
-
Tests
How to tell if background apps affect CPU tests
Learn how to compare Processor Test results, spot CPU load from background apps, and tell whether a low score points to software, heat, or hardware.
-
Tests
How to test GPU performance in a browser
Run a free browser GPU test, understand its score and compare results fairly. Learn what to check if graphics performance seems low.
-
Tests
How to check if a power bank charges well
Compare a power bank with a known charger using your device's charge rate, and learn what slow charging or heat can tell you.
-
Tests
Why battery charge rate varies between tests
Learn why the same charger can show different speeds, how to compare tests fairly, and when a slow result points to a cable, charger, or battery problem.
-
Tests
How to test a USB flash drive's real speed
Measure the real read and write speed of a USB flash drive, understand the numbers, and find out whether a slow port or the drive is the problem.
-
Tests
Why your USB 3.0 drive transfers files slowly
Find out whether a USB 3.0 drive is slow because of its port, tiny files, or the drive itself, then compare its real read and write speeds.
-
Tests
When a speaker rattle means damaged hardware
Use a bass sweep to tell whether a speaker rattle comes from a loose object, audio settings, or damaged hardware, and what to do next.
-
Tests
Stuck pixel vs dead pixel: how to tell them apart
Learn how a stuck pixel differs from a dead pixel, test your screen with solid colors, and find out whether a flashing fix is worth trying.
-
Tools
How to inspect a 10-million-row CSV file locally
Open and inspect a CSV with up to 10 million rows in your browser. Search, sort and check large datasets without uploading the file.
-
Tools
How to correct a CSV and save the edited file
Open a CSV in TooLab's browser editor, find and fix incorrect values, remove duplicates, then download a corrected copy while keeping the original safe.
-
Apps
How to edit an interview recording in your browser
Trim pauses, remove mistakes, join clips and export an interview as WAV or MP3 with TooLab's browser-based Audio Editor, without installing software.
-
Apps
How to remove a photo background manually
Remove a photo background by tracing the subject, cleaning the edges, and exporting a transparent cutout in TooLab's browser-based Photo Editor.