Email Characters icon

Email Characters

FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

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

Users
208
−2 in 30 days
Rating
3.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#63K
#53K among extensions
Version
1.0
updated 8 Mar 2024

Users

monthly, 3 years
60192323Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 208 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
012Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Email Characters

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.

Growth

WindowUsersChangeRatingsRating
7 days+4+2.0%00.00
30 days−2−1.0%00.00
6 months−38−15.4%00.00
1 year−54−20.6%00.00

Version history

1 versions recorded
1.016 Nov 2021

Details

Category
Workflow & Planning
First seen
16 Nov 2021
Size
49 KB
Languages
en
Pricing
Free
Extension ID
lncfanejfkceajibgniagejmjkjoknhc

Permissions and risk

Moderate riskimpact 2, likelihood 2
Site access
*://*/*
Can read and change data on every website you visit.

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