Device & Productivity— Guides & Articles

• Auto Counter: Automatic Interval Counts in Your Browser

  Published 2026-07-28

  Run a free automatic counter in your browser that adds one count per chosen interval. Reconciles delayed ticks, saves a private daily history, and exports…

  

• Break Reminder Accuracy: How Deadline-Based Timing Works

  Published 2026-07-27

  Break reminder accuracy depends on deadline arithmetic, not on a per-second countdown. Schedules built on deadlines survive tab sleep and throttling.

  

• Create an Invoice for Free Without Signing Up

  Published 2026-07-27

  Make a free invoice PDF in your browser with no signup, no upload, and no watermark. Add line items, tax, and discount, watch totals recalculate live, and…

  

• Gantt Chart Maker Free No Sign Up: Build a Timeline

  Published 2026-07-27

  Build a Gantt chart free, no sign up, right in your browser. Paste 2-30 task rows with YYYY-MM-DD dates and download a deterministic UTC timeline as SVG.

  

• Double Click Speed Test: How to Measure Click Intervals

  Published 2026-07-26

  Run a double click speed test in your browser. Track the millisecond gap between two clicks, plus latest, best, and average readings across up to fifty pairs.

  

• Click Speed Test: How Fast Can You Click?

  Published 2026-07-26

  Run a free click speed test in your browser — measure clicks per second, pick from 1 to 100 seconds, and get an instant CPS score with a speed rating.

  

• Apps That Remind You to Take a Break During Work

  Published 2026-07-26

  Apps that remind you to take a break don't have to be installed. See what features matter and try a browser-based Break Reminder with adjustable durations.

  

• How to Test Keyboard Input and Find Dead Keys

  Published 2026-07-25

  Test every key on your keyboard in your browser. Press any key to see it light up, find dead or sticky keys, and read key, code, and keyCode values.

  

• Free Key Press Counter: Track Keystrokes in Your Browser

  Published 2026-07-24

  Free key press counter in any browser: log keydowns, view a sorted frequency table, the last ten labels, and toggle held-key repeats. No install.

  

• Double Click Test for Keyboard: Measure Click Timing

  Published 2026-07-24

  Run a double click test for keyboard input in your browser. Measure click intervals in milliseconds and compare the latest, best, and average result.