Email Characters

A tool for email copywriters that showcases where subject line and preheader text will cut off on devices based on character count.

As of May 2026, Email Characters has 224 users and a 3.00/5 rating from 2 reviews in the Workflow & Planning category.

Usersdown 3.9 percent3.9%
224
224
Ratingno change0%
3.00
2 reviews
Reviewsno change0%
2
Version
1.0
Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

233.96227220.04Apr 1, 2026May 29, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20262333.0021.0
Apr 30, 20262213.0021.0
May 29, 20262293.0021.0
Now2243.0021.0

Permissions & access

Permissions
None declared
Host access
*://*/*

Screenshots

Email Characters screenshot 1Email Characters screenshot 2Email Characters screenshot 3Email Characters screenshot 4

About

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
5. and more. 

This extension will help you as a marketer increase email open rates by ensuring the important information reaches your user instead of being cut off on major email clients.

Technical

Version
1.0
Manifest
V3
Size
48.74KiB
Min Chrome
88
Languages
1
Featured
Yes

Metadata

ID
lncfanejfkceajibgniagejmjkjoknhc
Developer ID
u81f2d6bf1feec935b41977a19995f76d
Developer Email
[email protected]
Created
Nov 16, 2021
Last Updated (Store)
Mar 8, 2024
Last Scraped
May 29, 2026
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified May 29, 2026.