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
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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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Beautiful tool that fits seamlessly into my workflow.
great stuff
This is perfect. I already use and love Litmus but sometimes I forget to test. Now I have it right where I need it when I'm building my email. Awesome!
Product works great. I love being able to complete all of my tests right inside of MailChimp.
Awesome extension. Another superb product from Litmus!
Ein hilfreiches Tool, das es möglich macht, E-Mails ganz einfach mit Litmus zu testen, ohne dabei Mailchimp zu verlassen. Ich bin begeistert!
Awesome extension. As a Litmus user, I can test my campaigns right inside MailChimp and get fast feedback on what should be improved. Also I can see email preview screenshots for various mail clients too.
This is fantastic! Litmus provided me with screenshots, recommendations, and an overview of my campaign without leaving MailChimp!
Works great, well designed. Wouldn't expect anything else from the Litmus team!
Very elegant. Brings your Litmus account right inside MailChimp. Tests campaigns I'm working on, and it's super fast. Recommended.