Blog
Short, practical guides for checking your hardware and fixing what the tests find.
-
Tests
Laptop fan loud but performance drops
Find out whether heat is slowing your laptop, how to check it with a browser test, and what to fix before paying for a repair.
-
Tests
Why battery life estimates jump up and down
Learn why your laptop's remaining battery time keeps changing, how to read the drain rate, and what to check before blaming the battery.
-
Tests
How to compare battery drain before and after updates
Compare battery drain before and after an update with the same settings and workload, so you can tell a real battery change from normal variation.
-
Tools
How to time a presentation without a phone
Use your computer's stopwatch to time a presentation, set checkpoints, and check whether you are on pace without relying on your phone.
-
Tools
How to compare lap times during interval training
Use a browser stopwatch to capture each interval, compare split times fairly, and spot when your pace starts to fade without guesswork.
-
Apps
How to fix a photo that looks too dark
Brighten a dark photo in TooLab's browser Photo Editor, lift shadow detail without washing out bright areas, and save a natural-looking copy.
-
Apps
How to trim the beginning and end of an audio file
Trim silence or unwanted sound from both ends of an audio file, preview the edit, and export a clean WAV or MP3 in your browser.
-
Apps
How to fade music in and out smoothly
Fade music in and out in your browser, choose a natural fade length, and export a finished track without installing audio software.
-
Tests
Touchscreen taps by itself: causes and checks
Find out whether phantom touches come from a dirty screen, charger, settings, or failing hardware, then test the screen and try practical fixes.
-
Tests
How to test a tablet screen before buying used
Check for dead zones, missed touches, multitouch problems, dead pixels, and screen damage before paying for a used tablet with quick browser tests.
-
Tests
Why two-finger gestures stop working on a tablet
Test whether your tablet detects two touches at once, then check app support, accessibility settings, screen protectors, and signs of a touch-screen fault.
-
Tests
Touchscreen works with finger but not stylus
Check whether the screen, stylus, or app is at fault, then try compatibility, pairing, and settings fixes that can restore pen input.