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Free Classroom Timer

Free online classroom countdown timer for teachers. Start immediately, set any duration, use quick presets and display it full screen with sound alerts — no login required.

Also known as: online classroom timer, classroom countdown timer, timer for teachers.

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Overview

A classroom timer that is ready when you are

Use this free classroom timer to give every activity a clear beginning and finish. Set any duration, choose a quick preset, start it without logging in and switch to full screen so the whole room can see the remaining time.

Good moments to use it

Where countdown timer earns its place

  • Time starter tasks, pack-away and transition routines
  • Set visible countdowns for independent work and exams
  • Create urgency during speed challenges and quiz rounds

Help

Free Classroom Timer FAQ

Practical answers about setup, classroom use and what pupils need to do.

Can I change the alarm sound?

Yes. You can pick from a few alert sounds or mute it entirely if you prefer a silent visual cue.

Does it work on a projector?

Yes. The timer is built for full-screen classroom display and stays readable on projectors and whiteboards.

Can I set custom times?

Yes. Enter any duration in minutes and seconds to match your lesson phase or activity length.

Can I use this online classroom timer without signing in?

Yes. The timer is available immediately with no login or download, and it works on a classroom computer, projector, whiteboard or mobile device.

Keep exploring

More tools for this kind of lesson

Choose a different classroom routine from the same collection.

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UK Mock Exam Board TimerFree GCSE mock exam timer for UK teachers. Displays current time, standard finish and +25% extra time simultaneously — professional exam board style.
Visual Time TimerFree SEN-friendly visual countdown timer. A disappearing-disk timer for SEND classrooms — reduces anxiety by showing time passing visually rather than numerically.

Teacher ideas

Read how teachers use this format

Practical classroom guidance from Free Classroom Tools.

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