Free countdown timer for presentations — no signup needed

Countdown Timer
for Presentations & Events

Control from your phone. Display on any TV, projector, or second screen. Sign up free to save events and sync across devices — or start timing instantly, no account needed.

Live Demo

One controller. One big screen.

This is the real Castimer experience — tap the controller, watch the stage display. Try Start, +1 min, Next, or send a message.

Controller
Segment 1 / 5

Conference Demo

03:00

Opening

Organizer

Message · Send to screen

Every tap updates the Stage Display instantly — try it.

Stage Display
Stage Display

Opening

Organizer

0
3
0
0

Press START on the controller

How Castimer Works

From zero to a synchronized stage timer in under a minute.

1. Create

Set up your timer or event agenda with custom durations. No account required.

2. Connect

Open the viewer link on any device with a screen — TV, projector, tablet, or computer.

3. Display

Cast via Chromecast, AirPlay, or HDMI. Control remotely from your phone in real time.

Flip Timer

Beautiful flip animation with no tearing effect. Perfect for presentations and live events.

Screen Sharing

Display on any screen — computers, laptops, TVs. Control from your phone.

Real-time Sync

Instant synchronization across all devices. No refresh needed.

Reliable

Built for professionals. Stable performance even in high-stakes events.

New

Run the Whole Event with One Timer

Build an agenda, auto-advance between segments, and keep every speaker on schedule — with over/under tracking in real time.

  • Agenda — chain unlimited segments into one event
  • Speaker — name who owns each segment
  • Auto Advance — roll into the next segment when time is up
  • Over/Under — see exactly where timing slips in real time
  • Messages — push cues to the stage display
Try Event Timer
Live Preview
Event Timer

Live Agenda Timer

Try it — segments auto-advance, and over/under updates in real time.

00:30

Quick Timers

Start instantly with a preset duration. No signup, fullscreen ready.

Simple, Transparent Pricing

Start free. Try Pro for 3 days — $0 today, cancel anytime.

Free

$0

For occasional timers

  • 2 timer rooms
  • 10 saved events
  • Real-time sync across devices
  • Presenter View (control page)
  • Basic timer display
  • 2 themes, 2 fonts, 2 colors
Most Popular

Pro

$9.9/month

For regular presenters and event producers

  • 4 timer rooms
  • Unlimited saved events
  • Real-time sync across devices
  • Presenter View (control page)
  • Live Chat / messages
  • All themes, fonts & colors
  • Custom background images
  • Audio chimes & ambient sound
  • Priority email support

Team

$29.9/month

For teams and organizations

  • Everything in Pro
  • 4 timer rooms per member
  • API access (Beta — apply for access)
  • Dedicated support
  • Priority SLA

Pro includes a 3-day free trial. Cancel anytime in your trial — $0 today.

Frequently Asked Questions

Find quick answers to common questions about Castimer.

Is Castimer free to use?

Yes, Castimer offers a free countdown timer for presentations with essential features including countdown timer, screen casting, and fullscreen display. No signup is required to get started.

How do I cast the timer to a TV or projector?

Castimer works with Chromecast, AirPlay, or HDMI. Simply open the viewer link on your TV or projector, then control the countdown timer remotely from your phone or laptop.

Can multiple people control the timer at the same time?

Yes, multiple users can access the same timer room. Anyone with the link can view the timer, while the host maintains control permissions.

Does Castimer work without internet?

Once loaded, Castimer continues to run in your browser even with intermittent connectivity. However, an internet connection is required for initial setup and real-time sync across devices.

What's the difference between Castimer and a regular online timer?

Unlike regular countdown timers, Castimer is specifically designed as a remote controlled timer that can cast to screen. It features flip animations, real-time sync, and works seamlessly with TVs and projectors for presentations.

Ready to Upgrade Your Presentations?

Deliver polished, on-time presentations with a timer your audience can follow. Start free, no credit card required.

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