Tools articles (page 2)
160 guides in this category.
Time Zones and Birthdays: When Does Your Birthday Actually Start?
How time zones and the international date line affect birth dates, legal age and birthday celebrations for travellers and people born abroad.
Read article →Battery Saver Mode and Your Flashlight: What Changes
How power-saving modes can affect a phone's torch, and simple ways to keep the light available when your battery is low.
Read article →Built-In Torch or a Dedicated App? An Honest Comparison
The pros and cons of your phone's built-in flashlight and a separate torch app, so you can choose what suits you.
Read article →How Android Apps Switch On the Camera Flash: A Plain-English Explanation
A simple look at how a flashlight app turns on the LED next to your camera, and why a well-made app needs very little from your phone.
Read article →Putting a Torch on Your Home Screen: Shortcuts and Quick Access
Ways to reach your flashlight in a second, from home-screen icons to quick settings, and how to make it easy for everyone at home.
Read article →When the Flashlight Won't Turn On: A Troubleshooting Guide
Step-by-step checks to try when your phone's flashlight fails, from simple restarts to camera and battery issues.
Read article →Animated Images: GIF, WebP and Short Video, Which to Choose
How animated GIFs compare with animated WebP and short video clips, and how to keep animated files small.
Read article →HEIC and HEIF: What They Are and How to Share Them
Why some phones save photos in HEIC, what the format offers, the compatibility issues it can cause and how to convert to JPEG.
Read article →Logos and Icons: Why Vector Graphics Scale and Photos Do Not
The difference between raster and vector images, and how to choose the right one for logos, icons and photos.
Read article →Progressive and Baseline JPEG: How Images Load on Slow Connections
The difference between the two JPEG types, how each appears while loading and when progressive files help.
Read article →Spotting Compression Artifacts: Blockiness, Banding and Halos
How to recognise the visual signs of over-compression and choose a quality setting that avoids them.
Read article →Scanning a QR Code That Is on Another Screen
Why screen-to-camera scanning sometimes fails, and how to fix flicker, brightness and distance problems.
Read article →Scanning QR Codes in Low Light and Glare
Practical fixes when a QR code will not scan because it is too dark, too bright or covered with reflections.
Read article →Scanning QR Codes on Curved, Wrinkled or Shiny Surfaces
How bottles, cans, creased paper and metallic packaging distort QR codes, and how to scan them anyway.
Read article →What Makes a QR Scanner Fast on an Older Phone
Why some scanner apps feel slow on older hardware, and what to look for in a lightweight, quick scanner.
Read article →Why Camera Focus Matters When Scanning a Code
Blur is a leading cause of failed scans. How focus, distance and steady hands affect whether a code reads.
Read article →Age in Lunar and Other Calendars: Hijri, Hebrew, Chinese and More
How different calendar systems count years and dates, why the same birthday falls on different Gregorian days each year, and what that means for age.
Read article →Calculating Age in Excel and Google Sheets: Formulas That Work
The spreadsheet formulas for exact age and date differences, the pitfalls of simple division, and when a dedicated calculator is easier.
Read article →Milestone Birthdays Around the World: 18, 21, 60 and Beyond
How different cultures mark coming-of-age and landmark birthdays, from quinceañeras to sweet sixteens to sixtieth-birthday traditions.
Read article →Why Application Forms Ask for Age 'As of' a Specific Date
Why many forms fix age to a reference date rather than the day you fill them in, and how to fill in the right number without second-guessing.
Read article →Your Life in Weeks: A Simple Way to See Time Differently
How to express your age as a count of weeks, what a 'life in weeks' chart shows, and why the perspective helps people plan.
Read article →Helping Children Who Are Afraid of the Dark
Gentle, practical ideas for helping children feel safe at night, including how a small torch can become a comforting tool.
Read article →Power Cuts with Children and Older Relatives: Staying Calm and Safe
Practical guidance for households with young children or elderly family members when the lights go out, focusing on comfort, safety and communication.
Read article →Stargazing and Dark Skies: Why Astronomers Use Red Light
How to enjoy the night sky, why light pollution matters, and why stargazers use dim red light to protect their night vision.
Read article →