Perf Counter
Utilities

Perf Counter

by Etienne Baudoux

5.4k downloads Updated May 03, 2026
Perf Counter hero screenshot

Overview

Keep a pulse on your system — right from your desktop. Perf Counter delivers real-time hardware monitoring at a glance.

• Live CPU & RAM utilization across all cores
• CPU & GPU temperature monitoring
• Refreshes every second for up-to-the-moment stats
• Configurable display settings to fit your workflow
• One-click access to Task Manager when you need to dig deeper

Lightweight, always visible, and endlessly useful.

Screenshots

What's new?

0.9.24

  • Added missing screenshots to the extension package.

0.9.23

  • Added an option to display CPU and GPU temperatures in the sill.
  • Updated dependencies.
  • Added screenshots.

0.9.22

  • Fixed icons being cut off when a monitor is scaled up.

0.9.21

  • Revamped the UI in the WindowSill bar
  • Added a popup that shows detailed performance metrics.

0.9.20

  • Added ARM64 support.

0.9.19

  • Adjusted temperature alignment.

0.9.18

  • Added the option to hide individual performance counters.

0.9.17

  • Added CPU & GPU temperature monitoring.
  • Improved many translations.

0.9.13

  • Updated dependencies.

0.7.0

  • Added multiple display support.

0.6.7

  • Updated dependencies.

0.6.6

  • Added translation for Portuguese.
  • Improved other translations.

0.6.5

  • Improved Spanish translation.

0.6.4

  • Improved various translations

0.6.3

  • Added option to disable Task Manager launch when clicking the performance counter

0.6.2

  • Added translation for Chinese (Simplified & Traditional), German, Hindi, Japanese, Spanish, Ukrainian and Vietnamese.

0.6.1

  • Added translation for French

Information

Size 20.9 MB
Version 0.9.24
Category Utilities
Author Etienne Baudoux
Package ID WindowSill.PerfCounter
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