Countdown Timer 2.0 



A free countdown timer for Windows, written for show operators by a show operator. Simple intuitive user interface with plenty of options hidden underneath. Displays time remaining, current time and a message to a secondary display. Full network control via a suitable controller e.g. Stream Deck with Bitfocus Companion. Trigger audio clips at set timer values.

User interface

  • Set duration
    • Manually set hours and minutes
    • Save up to 9 presets for immediate recall
  • Timer control
    • Go/Pause button
    • Reset button
    • Time remaining
    • Time of day when timer runs out
  • Clock (time of day)
  • Output mode select
    • Timer
    • Clock (time of day)
    • Black
    • Test pattern
  • Sounds
    • Enable/disable playback
    • Kill all playing clips
  • Message
    • Enter message to display
    • Send/clear message to display
  • Web browser details

Output Display

Countdown Timer takes over a secondary display, this can be toggled between 4 different modes: timer, time of day, test pattern, black. A progress bar and time of day can be shown. Messages will gently flash when they appear to draw the presenter's attention. Automatically resizes to any screen resolution.

  • Select which display to use
  • Display settings
    • Set brightness
    • Show/Hide progress bar
    • Show/Hide time of day
  • Timer settings
    • Hide hours if not needed
    • White text only
    • Stop at zero
    • Amber time (minutes)
    • Red time (minutes)
  • Launch at startup
  • Sounds
    • Add sound clip
    • Set volume per clip
    • Enable/disable per clip
    • Set trigger time


Remote control of Countdown Timer is fully supported. Download the protocol here or get started immediately with a Stream Deck and Bitfocus Companion. Companion now supports feedback control for this software.

A simple web page showing the timer can be reached via port 8181 or via your Network Browser (look for Countdown Timer).

Change Log

  • Really fixed settings version issue preventing user interface from loading correctly. Honest.

  • Fixed Countdown not starting unless pc had an IP address
  • Maximum timer value now 99:59 for those post lunch sessions that seem to last for days
  • Web view page now has a title
  • Negative sign now shown correctly in time remaining
  • Fixed mismatch of settings version preventing user interface from loading correctly. Can also fix by holding down Ctrl when launching

  • Show time of day when timer will end
  • Improved support for headless mode
  • Option to launch at Windows start
  • uPnp support - will now appear as a device when browsing network
  • Web view - provides a web page of the timer
  • Option to show/hide hours if hours < 1
  • Network command UPDATES - provides feedback on application state - use Bitfocus Companion 1.2.0 or later
  • Network command VERSION - provides version information
  • Play audio clips at specified times


  • Microsoft Windows 7 or later
  • Microsoft .NET Framework 4.5 or later
  • Secondary display
  • Local area network