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.

HTMaiL: HTML Insert for Gmail, Outlook, Yahoo

HTMaiL: Insert HTML into Gmail, Outlook and Yahoo Mail is a Chrome extension that allows users to edit and insert HTML code into the body of their email messages in webmail services. It integrates seamlessly into the compose interface, offers an HTML editor with a simple and intuitive interface, and converts CSS styles into inline styles to ensure professional-looking emails.

Extension stats

Manifest V3
Users: 10,000+
Rating: 4.17
(41)
Version: 7.5.2 (Last updated: 2025-02-05)
Creation date: 2020-06-30
Permissions:
  • storage
  • tabs
  • management
Size: 410.62K
URLs: Website
Full description: See detailed description

Other platforms

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
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
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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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 **** ********* ** * ******** ********* ** ****** *** *****
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