NEW

Embed Generator

Visually configure your timer widget and generate iframe code instantly. What you see is what you get.

Timer Type

Title

Displayed above the countdown

Duration

Theme

Primary Color

Language

Options

Show Title

Play alarm sound

Show Castimer branding

Widget Size

Width360px

Height360px

360 × 360 px

iframe code

<iframe
  src="/widget?type=countdown&duration=300"
  style="width:360px;height:360px;border:none;"
  loading="lazy"
  title="Timer Countdown Timer"
></iframe>

Need a persistent timer with API control? Try the REST API