Device & Productivity — Guides & Articles

• Dead Pixel Test Alternative: A Browser-Based Color Check

  Published 2026-08-24

  Looking for a dead pixel test alternative that works in any browser? The Dead Pixel Test cycles eight solid sRGB colors in fullscreen — no installs, no uploads.

  

• How to Make a Receipt for Cash Payment

  Published 2026-08-24

  Create a cash payment receipt with itemized totals, tax, discount, tip, and change. Use Receipt Maker to build, print, or download a paid HTML file.

  

• How to Improve Your Reaction Time Test Score

  Published 2026-08-24

  Run a browser reaction time test under steady conditions and track your five-trial rolling average to see real improvement over time.

  

• Pomodoro Technique Timer: Run Each Phase on Autopilot

  Published 2026-08-24

  Pomodoro technique timer that runs the 25/5/15 cycle in your browser. Auto-advancing phases, adjustable intervals, and a session counter — no signup.

  

• Room Occupancy Counter: Track Current Headcount in a Room

  Published 2026-08-24

  Track who is inside a room with People Counter: separate entry and exit totals, a live current count, and an optional capacity threshold.

  

• Use an Online Whiteboard in Google Meet

  Published 2026-08-24

  Open an online whiteboard in a second browser tab, share it through Google Meet screen share, sketch live, and download a 1000 by 600 PNG before the call ends.

  

• Online Stopwatch Accuracy: How Precise Can a Browser Get?

  Published 2026-08-24

  What affects online stopwatch accuracy and how anchored timing keeps a browser stopwatch within hundredths of a second without drifting.

  

• Online Scoreboard Alternative: Private Two-Team Scoring

  Published 2026-08-24

  Need an online scoreboard alternative that keeps scores on your device? This private, account-free two-team display runs entirely in your browser tab.

  

• Online Notepad That Saves Locally and Never Uploads

  Published 2026-08-24

  Looking for an online notepad? This free browser notepad autosaves every keystroke to local storage, counts words live, and never uploads your text.

  

• Countdown Timer for Beginners: A Quick Start Guide

  Published 2026-08-23

  New to countdown timers? Learn what they do, how to set one in your browser, and start your first timer in under a minute — no sign-up, no setup.