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A small tool that lets you see the state of Num Lock, Caps Lock and Scroll Lock keys

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addLEDs screenshotAddLEDs is a simple, free and lightweight utility which lets you see the state of your Num Lock, Scroll Lock and Caps Lock keys. The program is useful mainly for modern computers, which don't have LEDs for these keys. The application also offers information on disk and network activity with the aid of various icons. The program will display the data in your system tray by using tray icons. You can enable or disable various icons. Moreover, you can group the icons according to your needs.

AddLEDs can be configured to start automatically at system boot. You can select the sensitivity of network activity from five distinct levels. Various icon profiles will help you customize the program's appearance and display options. Installation is not required.


  • The application offers multiple display modes.
  • The utility lets you see information on disk and network activity.
Name addLEDs
Developer | see all products from this developer
Product Homepage addLEDs
License Free (Freeware)
Last Week Downloads 3
All Time Downloads 885
Filename addleds.exe
Filesize 0.2MB
MD5 Checksum BED7EB639757FF11D00A65B3B4E370A7
OS Support Win 7/8/8.1/10
Category Utilities

100% CLEAN Certification

BadgeaddLEDs has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
addLEDs April 18, 2018 - Latest Version

Download the free addLEDs