Device & Productivity — Guides & Articles

• How to Avoid Mistakes When Using an Online Tally Counter

  Published 2026-09-02

  Avoid common online tally counter mistakes: wrong step values, date-line slips, and lost history. Local-day records with PNG/CSV exports keep counts clean.

  

• How to Make a Rotating Shift Schedule on iPhone

  Published 2026-09-02

  Create a balanced rotating shift schedule right in iPhone Safari. Enter employees, shifts, and dates, then export a CSV without installing an app.

  

• Use Your Screen as a Fill Light for Video Calls

  Published 2026-09-01

  Turn any browser into a soft front fill light for video calls. Pick a tint, adjust brightness, and place the panel near your camera — no install needed.

  

• Dead Pixel Test Explained: What Each Color Reveals

  Published 2026-09-01

  A dead pixel test explained: cycle eight solid sRGB colors across your display in fullscreen and inspect each region for mismatched points. No upload.

  

• How to Make a Receipt for Payment With Correct Totals

  Published 2026-09-01

  Build a paid receipt for a completed payment in your browser with itemized totals, tax, discount, tip, and change — no upload.

  

• Are Reaction Time Tests Accurate? What Your Score Includes

  Published 2026-09-01

  Reaction time tests measure a real browser interval, but display and input delays also count. See what changes the result and what the tool does not claim.

  

• Pomodoro Timer Accuracy: What Affects Browser Timing

  Published 2026-09-01

  Pomodoro timer accuracy depends on how the countdown is timed. See what makes a browser-based Pomodoro timer reliable and what can slow it down.

  

• Can the Current Count Go Below Zero in People Counter?

  Published 2026-09-01

  People Counter keeps the current count at zero or above. Record entries and exits separately, set a capacity reminder, and export local daily totals.

  

• How to Use an Online Whiteboard for Teaching Step by Step

  Published 2026-09-01

  Use an online whiteboard to teach in your browser: pick a pen, draw freehand notes and diagrams, undo mistakes, and save a 1000x600 PNG copy.

  

• Online Notepad Accuracy: Counts, Autosave, and Limits

  Published 2026-08-31

  How accurate is an online notepad? See how word, character, and line counts work, how autosave keeps text safe, and where the limits apply.