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Short, practical guides for checking your hardware and fixing what the tests find.

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. Daniel HayesOctober 23, 20264 min read
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. Michael ReedOctober 23, 20265 min read
Tools How to convert dozens of images at once Convert up to 50 JPG, PNG, WebP, GIF, BMP, ICO, or TIFF images in one batch, choose an output format, and keep the originals on your device. Lauren HughesOctober 23, 20264 min read
Tools How to convert BMP files to PNG Convert one BMP image or a batch of up to 50 into PNG in your browser, then check image quality, transparency, and file size before sharing. Megan FosterOctober 23, 20264 min read
Tools How to convert TIFF images to JPG for sharing Convert TIFF files to JPG in your browser, choose the right images for sharing, and avoid surprises with transparency, compression, and large files. Rachel BennettOctober 23, 20264 min read
Tools Why deleting photo metadata leaves landmarks visible Learn why removing EXIF or GPS data leaves landmarks in the picture, how to hide visible clues, and how to check both kinds of information. Lauren HughesOctober 23, 20264 min read
Tools How to check a photo for XMP and IPTC metadata Check whether a downloaded photo contains XMP or IPTC fields, learn what the labels mean, and find out why metadata may be missing or removed. Emily ParkerOctober 23, 20264 min read
Games How to practice mouse precision with smaller targets Build mouse accuracy with a simple target-size routine, learn when to shrink targets, and check whether mouse settings are getting in the way. Ashley MorrisOctober 23, 20264 min read
Games How to compare aim accuracy at two mouse sensitivities Compare two mouse sensitivities with the same aim trainer drills, track hit rate and speed, and choose the setting that works best for you. Tyler GrantOctober 23, 20265 min read
Tools Why leading zeros disappear from CSV data Learn why leading zeros disappear from CSV data, how to check whether the file or spreadsheet changed them, and how to keep IDs intact. Rachel BennettOctober 23, 20264 min read
Tools How to clean a CSV before importing it into a database Check headers, blanks, duplicates, and inconsistent values in a CSV, then save a cleaner file that is easier to import into a database. Sarah CollinsOctober 23, 20265 min read
Apps How to adjust photo brightness and contrast Learn how to brighten a dark photo, add contrast without losing detail, and make careful adjustments in TooLab's browser-based Photo Editor. Chris WalkerOctober 23, 20264 min read