teachertimers
Tools

Themes & sounds

Time's-up sound

Match my theme: whistle for sports themes, spooky ghost for Halloween, sleigh bells for Winter Holidays, laser for Outer Space and Arcade, and your regular sound for the rest.

Options

Theme

Bookmark it to reopen with the same time, theme, and label.

Background music

Relaxed lofi beats, made fresh by your browser as they play – no recordings, no ads and nothing to license. It never repeats exactly.

Mood

Volume

When to play

The music fades out just before the time's-up sound, so the alarm is always heard. Turn this off to keep music playing on its own.

Put this timer in Google Slides

Your timer: . Change the time, theme, label, or sound first and it'll be built in.

Download a video of this countdown. It plays right on your slide, and can start by itself when you get to that slide.

  1. Click Download video.
  2. Upload the file to your Google Drive.
  3. In Google Slides, choose Insert → Video → Google Drive and pick the file.
  4. Click the video, open Format options → Video playback, and choose Play (automatically). The timer starts when you reach that slide.

Big countdown timers for your classroom

TeacherTimers puts a giant, easy-to-read countdown on your smart board, projector, or computer. No sign-up and nothing to install – just pick a time and press Start.

Set it fast

Tap a quick timer like 5m, nudge it with +30s or +1 min, or type any custom time. You can add or remove time while it's running.

See it from the back row

The numbers fill the screen. Press Full screen and the controls hide themselves while the timer runs.

Use it in Google Slides

Click Google Slides to download your timer as a video that plays right on your slide, or get a button that opens the timer when you click it.

Make it fun

Switch between 24 themes – Science Lab, Soccer, Basketball, Outer Space, Travel, Dinosaurs, Axolotls, Sea Turtles, Halloween, Winter Holidays, St. Patrick's Day, Chalkboard and more. Each one has its own time's-up message.

Need to call on someone? Try the random name picker wheel – it uses the same themes as your timer.

Keyboard shortcuts

Space
Start / pause
R
Reset
F
Full screen
T
Themes & sounds
M
Background music
↑ ↓
Add / remove 1 minute
→ ←
Add / remove 10 seconds
0–9
Type a time like a microwave: 130 = 1:30
Enter
Start