Testi@ - Live Email Testing with (ESP)
Developer Tools
Email Testing Email preview outlook test
Users
573
Rating
4.1
Reviews
8
7D Growth
+25|4.56%
Stable signalUnknownHigh-risk permissions
Litmus
Personalize & test emails with Litmus—wherever you build.
Users4KCurrent public install base
Rating4.5Store average score
Reviews40Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsLitmus Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
4.47
Latest
4.47
7-day rating change
0.00
2026年7月15日2026年7月21日
Growth overview
Daily, weekly, and monthly growth
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.2.1
ManifestV3
Size5.55MiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
Product summary
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Whether you’re using a local editor or your email service provider’s email editor to create emails, Litmus Extension lets you personalize, preview, troubleshoot, and optimize your email right where you build, saving you time and helping you boost email accuracy & engagement.
You can download the Litmus Extension for free, but it requires a paid Litmus account for full access to pre-send email testing and personalization.
Learn more and sign up: litmus.com/extension
Reviews
Recent review snapshot
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Store average score4.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.1Average computed only from synced review bodies below
Reviews with text21Synced review bodies
Total ratings / reviews40Chrome Web Store public rating/review count
Store average score: 4.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Works wonderfully. I can do a full QA check of my campaign without having to leave MailChimp.