Block everything.
Focus on one thing.
The Zenbrox desktop app kills distracting apps and blocks websites at the system level the moment your focus session starts — no browser extensions, no workarounds.
Requires Windows 10/11 · Run as Administrator for full blocking
Everything your browser tab can't do
System-Level Blocking
Kills distracting apps (Discord, Steam, Slack) at the process level. No bypass via Task Manager tricks.
Website Blocker
Blocks sites via the hosts file — no browser extension needed. Works on every browser simultaneously.
Floating Mini Timer
Always-on-top timer overlay that floats over your work. See the countdown without switching windows.
Global Hotkey
Start or pause any focus session from anywhere with Ctrl+Shift+F — no window switching required.
Tray + Quick Start
Lives quietly in the system tray. Right-click to launch a Pomodoro or Deep Work session instantly.
Daily Goal Tracking
Set a daily session target. The sidebar shows your real-time progress throughout the day.
Get started in 4 steps
Download
Get the free Windows installer below. No account required to start.
Run as Admin
Right-click → Run as administrator so it can edit the hosts file for website blocking.
Set your rules
Open App Guard to choose which apps and websites to block during sessions.
Press Ctrl+Shift+F
Start focusing from anywhere. The guard activates automatically.
Default blocked apps & sites
All lists are fully customizable in the App Guard settings.
Apps
- Discord
- Steam
- Epic Games
- Slack
- Telegram
- + any custom .exe
Websites
- YouTube
- X / Twitter
- TikTok
- + any custom domain
Free. Open. No tracking.
The desktop app is free forever. Pair it with a Pro account to sync your stats and unlock all articles.