Classroom Timer

by Teacher-Tool-Box · gradebridge.support · Education

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

A polished floating countdown timer for teachers, presentations, and smart boards.

Users

367

+40 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#49K

#42K among extensions

Version

2.0

updated 9 Oct 2026

Users

monthly, 17 months

Latest, 15 Oct 2026: 367 usersMove the mouse over the chart for any month

Ratings count

monthly, 17 months

Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Classroom Timer

A modern floating classroom timer designed for teachers. Classroom Timer adds a beautiful draggable countdown timer on top of any webpage, presentation, Google Slides deck, LMS, or classroom activity. Perfect for: • Classroom activities • Group work • Exit tickets • Bell ringers • Stations • Presentations • Smart boards • Google Slides • Online teaching Features: • Floating draggable timer • Resizable timer window • Mini floating timer mode • Big presentation mode • Classroom quick presets • Dark classroom theme • Responsive layout • Timer stays visible over webpages • Designed for projectors and smart boards Built for teachers who want a clean, distraction-free classroom timer. No account required. Lightweight and easy to use.