If you've searched for a way to keep Teams active, you've probably encountered at least three different solution categories: hardware USB mouse jigglers, browser extensions, and browser-based tools. They all promise the same result but work very differently under the hood — and that matters, because some of them don't actually work for Microsoft Teams Desktop.
Option 1: Hardware USB Mouse Jigglers
A USB mouse jiggler is a small device that plugs into a USB port and presents itself to your computer as a mouse. It sends periodic mouse movement signals directly to the operating system — genuine hardware input that the OS registers just like physical mouse movement from a real mouse.
Does it work for Teams? Yes, reliably. Because it generates real hardware input, it resets the Windows GetLastInputInfo() timer, which is exactly what Teams reads to determine idle state. This is one of the most reliable methods available.
Downsides: Cost ($15–50 for a decent one). Physical USB port required — corporate laptops increasingly lock USB ports or require IT approval for new devices. The cursor visibly moves on screen, which can be distracting or obvious to others on video calls. Requires carrying a physical device.
Option 2: Browser Extensions
Browser extensions like "Keep Teams Awake" or similar add-ons for Chrome and Firefox work by dispatching synthetic mouse movement events within the Teams web app tab at regular intervals. The Teams web application sees these events and treats you as active within Teams Web.
Does it work for Teams? Partially. It works well for Teams Web (the browser-based version of Teams). However, it does not prevent your OS from registering idle state — so Teams Desktop will still flip to Away, and your screen can still lock. The extension's synthetic events stay within the browser sandbox and don't reach the Windows GetLastInputInfo() API.
Downsides: Only works for Teams Web specifically. Doesn't prevent screen lock. Doesn't help with Slack, Zoom, or any other platform. Requires installation, which may not be permitted on corporate browsers.
Option 3: PowerShell or VBScript Jiggler Scripts
Several popular scripts circulate on GitHub and tech forums that use Windows scripting to periodically simulate key presses or mouse movements. The most common use PowerShell's System.Windows.Forms.SendKeys or the Windows Script Host WScript.Shell.SendKeys method.
Does it work for Teams? It depends on the specific implementation. Some methods send genuine input events that Teams reads; others send application-level events that don't reach the system idle timer. Results vary by Windows version and Teams build.
Downsides: Requires PowerShell execution policy permissions — blocked on the majority of corporate managed devices. Script execution alerts may trigger endpoint security monitoring. Requires technical knowledge to set up and troubleshoot. Not portable between devices without re-setup.
Option 4: Installed Applications (Move Mouse, Caffeine, etc.)
Dedicated keep-awake applications like Move Mouse, Mouse Jiggle, or Caffeine for Windows install as system-level utilities and generate genuine hardware-equivalent input that reliably resets OS idle timers.
Does it work for Teams? Yes, very reliably. These apps operate at a system level and generate the kind of input Teams' idle detection responds to.
Downsides: Requires installation — blocked by admin restrictions on most corporate devices. IT departments often flag these specifically on endpoint monitoring. Some cause visible cursor movement on screen.
Option 5: Browser-Based Tools with Wake Lock API
This is the category KeepAwake falls into. These tools run entirely in a browser tab and use the W3C Screen Wake Lock API — a web standard that directly requests the operating system suppress its idle and sleep detection. When Wake Lock is active, the OS never transitions to idle state, which means Teams' idle check never fires the Away trigger.
Does it work for Teams? Yes, comprehensively. Wake Lock prevents the OS idle event at its source. Unlike synthetic mouse events (which don't reach the OS layer), Wake Lock works at the OS level — it's the same mechanism that Netflix and YouTube use to prevent your screen from sleeping during video playback.
Downsides: Wake Lock API requires Chrome or Edge for full support (Firefox and Safari support it partially). Requires keeping a browser tab open. Not a physical device — if you close the browser, the effect stops.
The Verdict: Side-by-Side Comparison
| Method | Works for Teams Desktop | Needs Install | Needs Admin Rights | Cost |
|---|---|---|---|---|
| USB Hardware Jiggler | ✓ | No | Maybe (USB port) | $15–50 |
| Browser Extension | ✗ (Teams Web only) | Yes | No | Free |
| PowerShell Script | Inconsistent | No | Yes | Free |
| Installed App | ✓ | Yes | Yes | Free–$10 |
| Browser Wake Lock Tool | ✓ | No | No | Free |
For the majority of remote workers on corporate-managed devices — where USB ports may be locked, installation requires IT tickets, and PowerShell is restricted — a browser-based Wake Lock tool is the only practical option that reliably works for Teams Desktop. It requires nothing except a browser tab.