HTMaiL: Insert HTML into Gmail, Outlook and Yahoo Mail

Edit and easily insert HTML code into the body of your email message in Gmail, Outlook, and Yahoo Mail.
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HTMaiL: Insert HTML into Emails

Transform your emailing experience with the HTMaiL Chrome extension, designed for Gmail, Outlook, and Yahoo Mail users. This extension enables you to effortlessly insert custom HTML code into your email body, going beyond basic formatting options. With an intuitive HTML editor, you can create, paste, or import your HTML, preview your changes, and see your messages come to life.

Key features include seamless integration with webmail compose interfaces, conversion of CSS styles into inline styles for optimal display, and adaptive theme compatibility with your operating system. Whether you're looking to send aesthetically pleasing emails or professional presentations, HTMaiL unlocks new possibilities for creativity in your communications. Avoid common pitfalls of webmail limitations and enhance your email game today!

Download
Manifest V3
Users: 10,000+
Rating: 4.17
(41)
Version: 7.5.2 (Last updated: 2025-02-05)
Creation date: 2020-06-30
Risk: Moderate risk impact Very low risk likelihood
Permissions:
  • storage
  • tabs
  • management
Size: 410.62K
URLs: Website
Full description: See detailed description
Updated: a day ago

Ranking

# 8,335 ▲ 10
Other rankings
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Other platforms

HTMaiL: Insert HTML into email message (v7.5.2)
627 5.00 (4)
HTMaiL: Insert HTML into Gmail, Outlook and Yahoo Mail (v7.5.2)
663 5.00 (1)

User reviews

Pros
  • Works great for Gmail and Outlook when it functions properly
  • Simple and intuitive to use
  • Highly beneficial as an alternative to older workarounds
  • Directly addresses the need for embedding HTML in emails
Cons
  • Frequently stops working or does not display the embed icon
  • Gmail issues with blocked content when using Canva
  • Recent updates have removed or hidden essential features
  • Reliant on the extension being enabled, which sometimes fails
Most mentioned
  • Not displaying the embed icon in Gmail and Outlook
  • Inconsistent performance, previously working but now failing
  • Highly useful when functioning, but recent updates have caused troubles
  • Users express a strong desire for consistent reliability
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
worked for Gmail, good but you need to ad it manually for each email
by Gunita Maurīte, 2025-02-26
Excelente extensão, deveria ser incluída no próprio Gmail nativamente.
by Papa Leguas Delivery, 2024-12-20
I cant see the embed icon in outlook.
by Kiran Krishnadas, 2024-11-12
View all user reviews

Extension safety

Risk impact

HTMaiL: Insert HTML into Gmail, Outlook and Yahoo Mail requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Medium ******* ***** *********** ***** ****** ********* *** ***** ********* **** **** ************** *** ********
  • Low ******* ****** ** *** ********* ********
Risk likelihood

HTMaiL: Insert HTML into Gmail, Outlook and Yahoo Mail has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** ******* ** *** **** * ******* *** ******* *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* ** * ******** ********* ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

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