Tab Countdown Timer

A Chromium Extension that allows you to set a timer that counts down and then closes the tab.

Set a countdown timer on any tab. When the timer expires, the tab closes — or for YouTube videos, you can choose to pause playback instead. Every tab can have its own timer. Enter time by typing or by scrolling with the mouse wheel (hold Shift to adjust in 5-minute increments). Changes for v1.6.0 - Twitch support: the "Pause video" action and per-content auto-start rules now work on Twitch Changes for v1.5.0 - Duration stepper buttons - hover the hours/minutes/seconds inputs to reveal up/down arrows for quick adjustments without clicking into the field. - New toolbar icon --- Changes for v1.4.0 - Auto-start rules: a timer can start automatically when you visit a saved URL or YouTube video. - Redesigned popup with tighter typography and spacing --- Changes for v1.3.1 Allow flexible minute input and improve UX. --- Changes for v1.3.0 - UI/UX improvements: Quick-set timers, updated layout and color scheme - YouTube pausing: Optionally choose to pause a YouTube video when the timer ends. - Faster Time Adjustments: Hold down the `Shift` key while using your mouse wheel to adjust the timer in 5-minute increments. --- Changes for v1.2.1 - Fixed "undefined" on first run issue. - Improved styling. - Time updates immediately upon opening popup. - Added error handling --- Changes for v1.1 - Add dark mode based on current system settings - Save last alarm values as default for next time - Update to chrome manifest v3