
Ugly Email
See if an email is being tracked before you open it in Gmail
Ugly Email launched on March 19, 2015 with 421 votes, #20 of 2,697 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 11 years on.
In plain words
Ugly Email is a Gmail tool that detects tracking pixels in emails before you open them. It works within Gmail to identify when senders are using tracking technology to monitor whether and when you read messages. The tool is designed for Gmail users who want visibility into email tracking practices and more privacy control over their inbox activity. It helps users understand which emails contain tracking mechanisms without needing to open them first.
written from the facts on this page · September 2026
From the sources
The #1 most downloaded Gmail extension for blocking read receipts and other email tracking pixels.
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