Guides
What to know before you put a countdown in an email: how to make one, what happens in each email client, and when it actually helps sales.
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Countdown Timers in Outlook: Why the GIF Won't Move
Outlook for Microsoft 365, 2021 and 2024 play animated GIFs by default.
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Email Countdown Timers: The Complete Guide
An email countdown timer is a GIF that a server generates each time someone opens the message.
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Urgency in Email Marketing: An Honest Guide
A real deadline makes people decide sooner: peer-reviewed studies show it with coupons and promotions, and the UK's CMA acknowledges it.
Formats
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Evergreen Countdown Timer for Email: One Countdown per Recipient
An evergreen timer counts down a set duration, such as 48 hours, instead of running to a fixed date.
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Transparent Countdown GIF for Email
A transparent GIF lets your email's background show behind the digits, but it supports only one transparent color: every pixel is either opaque or invisible.
Comparisons
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Best Free Email Countdown Timers, Compared With October 2026 Data
For free with no watermark, Sendtric adds none up to 10,000 views a month, and Kauntodaun, our tool, adds none up to 25,000 impressions a month per timer, with no signup.