Formatted Email Subject Lines by cloudHQ

Formatted email subject lines: underscore, bold, italics, strikethrough

Users10K

Rating4.5

Reviews26

Manifest versionV3

7-day growth0

7-day growth rate0%

Preview

Formatted Email Subject Lines by cloudHQ Media preview

6 assets

Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

30-day rating change

Start

4.50

Latest

4.50

30-day rating change

0.00

2026年5月29日2026年6月4日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

00%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0.1.6

ManifestV3

Size625KiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

Are you looking for a way to make your emails stand out in someone's inbox?

This extension lets you to change the format style of your email subject line, and helps your emails get opened faster because they stand out from the crowd.

You can change your email subject line formats to:

- 𝗕𝗼𝗹𝗱

- 𝙄𝒕𝒂𝒍𝒊𝒄𝒔

- 𝘽𝙤𝙡𝙙 𝙄𝙩𝙖𝙡𝙞𝙘

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

The Chrome Web Store shows 26 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★

4★

3★

2★

1★

Similar and related extensions

Review related products from the Chrome Web Store detail page.

Gmail™ Email Templates by cloudHQ

Communication

Beautiful email templates for Gmail. Design your templates or import templates from Mailchimp. With team sharing!

Email Signature Generator by cloudHQ

Communication

Email signature generator and signature templates

Email Tracker by cloudHQ

Communication

Know when your emails are opened in real-time

Tables for Gmail™ by cloudHQ

Communication

Add tables to your emails

Resize Gmail Sidebar by cloudHQ

Tools

Now you can resize the label column in Gmail

Email List Builder by cloudHQ

Workflow & Planning

Build a spreadsheet with all your Gmail contacts and emails

AI product read

Adds Unicode-based formatting options to Gmail email subject lines, allowing users to apply bold, italics, underline, strikethrough, and decorative character styles

Helps emails stand out in crowded inboxes by enabling formatted subject lines that attract attention and increase open rates

User opens Gmail compose window, types subject line, selects/highlights text in subject field, clicks the 'Subject Style' icon that appears on the right side of subject line, then chooses desired formatting style from dropdown menu

Target users: Marketing professionals / Sales professionals / Team communication users / Anyone wanting to make emails stand out

The content.js file is 1.5MB and heavily minified, making complete code review difficult
The background.js is 278KB and minified, limiting full analysis of all logic paths
cloudHQ offers other paid products, so there may be indirect monetization not visible in this extension

Monetization

No paid features detected

No payment platform integration, subscription logic, premium feature gates, or upgrade prompts were found in the extension source code. The 'license' matches are all from open-source library licenses (MIT, jQuery, React). The deterministic heuristic shows isPaid=0 with no payment platforms detected. The extension appears to provide all formatting features (bold, italic, underline, strikethrough, etc.) without any paywall.

Confidence: 80
Payment platform: --
Source: AI / Medium
Login required: No
Reason: The extension operates directly within Gmail's compose interface using content scripts and InboxSDK. No login flow, authentication UI, or account creation was found in the source code. The core functionality (formatting subject lines with Unicode characters) works within the user's existing Gmail session without requiring any additional login.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：scripting、storage

Publisher

cloudHQ

cloudHQ LLC

Email: [email protected]
Phone: +14155096721
Address: 2247 29th Ave San Francisco, CA 94116-1738 US

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

View developer portfolio

Permissions

Host access