Countdown Timer Creator
Create a customizable countdown timer. Supports URL sharing and embedding
Features
Supports URL sharing and site embedding
Issue the timer as a shared URL or embed code
Adjust the design freely
Customize background color, text color, border, and font size in detail
Select the display units and language
Supports 7 time units from years to seconds and 24 languages for unit notation
Supports time zone specification
Counts accurately based on local time anywhere in the world
How to Use
Specify the end date/time and time zone
Choose the date and the hour, minute, and second, and specify the time zone to use as the basis
Set the display units and timer name
Enter any timer name, and choose the display units from years to seconds and the language for the unit labels. You can also toggle the unit-label display and continuing after it ends
Customize the design
Set background color, text color, border, and font size. Changes are reflected immediately in the timer display above
Share using the share button
Press "Share Timer" to display the share URL and embed code, then copy and use on blogs or SNS
Use Cases
Announcing the lead-up to an event
Show the time remaining until the date of a presentation or concert on your site to build anticipation
Promoting the end of a sale
Embed a deadline timer on an e-commerce site to create urgency that drives purchases
Building awareness for exams and certification study
Always check the days remaining until the exam, and use it to manage your study plan's progress
Sharing a countdown to an anniversary
Share the time remaining until a wedding or anniversary with family and friends via URL
Safety and Privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
generating and displaying the timer is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
No automatic saving of results
the created timer's settings and input suggestions are not stored on the server.
Updates
- update #146
Fixed issue where 'Finished' was displayed immediately after opening countdown timer creation
On devices in timezones outside Japan, the default end date and time was set to a past time, causing 'Finished' to display immediately when opened. The initial end time is now set to 0:00 on the following day in the selected timezone.
- update #136
Fixed issue where timer embed is cut off at the bottom when pasted on wide sites
- update #132
Countdown Timer Creator: Display timer large with customizable font size
Display the timer prominently at the top of the screen with font size options: auto, 32–256 px, or custom value. Supports copying embed code, duplication from shared screens, and 24 languages for unit notation.
- update #107
Fixed countdown timer shared URLs to open in view-only pages