Litmus
Developer Tools
Personalize & test emails with Litmus—wherever you build.
Users
4K
Rating
4.5
Reviews
40
7D Growth
0|0%
Cooling signalUnknownHigh-risk permissions
Email Characters
A tool for email copywriters that showcases where subject line and preheader text will cut off on devices based on character count.
Users223Current public install base
Rating3.0Store average score
Reviews2Public review volume
Manifest versionV3Extension platform version
7-day growth-5Net users gained this week
7-day growth rate-2.19%Relative weekly velocity
Preview
4 assetsEmail Characters Media preview
Trend
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User Growth Over Time
Rating trend
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30-day rating change
Start
3.00
Latest
3.00
30-day rating change
0.00
2026年6月28日2026年7月4日
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1-day growthFlat
00%7-day growthDeclining
-5-2.19%30-day growthFlat
00%Technical snapshot
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Version1.0
ManifestV3
Size48.74KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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A easy to use tool for email copywriters that allows you to highlight copy intended for email subject lines and preheaders and determine if the text will cut off on email client devices.
The current devices it checks against are:
1. Mobile and Desktop Gmail Apps
2. iPhone Mail App
3. Mobile and Desktop Outlook Apps
4. Desktop Yahoo App
Reviews
Recent review snapshot
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Reviews with text2Synced review bodies
Total reviews2Chrome Web Store public rating/review count
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Doesn't work as advertised - cant calculate texts in google docs
Really cool for CRM teams!