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Chrome Extensions

Chrome extensions can add incredible enhancements to your web browser — from a tiny but convenient change that'll save you a few seconds to an entire robust software platform.

GMass itself is, of course, a Chrome extension that puts a world-class email marketing platform inside your Gmail account.

Here in on Chrome extensions archives page, you can read up on everything we've written about Chrome extensions.

You'll find guides and lists on some of the best Chrome extensions out there (for Gmail and beyond).

You can learn about the technical side of Chrome extensions, if you're developing one yourself or you're curious about what goes on behind the scenes.

And you can read up on the features and enhancements surrounding the GMass Chrome extension as they happen.
10 best Chrome Gmail extensions you've never heard of

March 29, 2022

11 best Gmail extensions you’ve never heard of

The best Gmail Chrome extensions to add functions and features, from small message tweaks to an entire email marketing system inside of Gmail.

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pixel blocking Chrome extension

March 14, 2022

The story of our new pixel blocking Chrome extension

Today we’re launching a new Chrome extension, called Tracker Blocker, that is a companion extension for GMass. If you’re using …

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Gmail Chrome Extension Content Script

December 6, 2020

Getting the timing of a Gmail Chrome extension content script just right

If you're developing a Chrome extension for Gmail, you should know that Google's documentation on when a content script runs is wrong.

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op 10 chrome extensions

November 19, 2020

Top 10 Chrome Extensions (Features, Ratings)

Looking for the best Google extensions? Discover 10 best Chrome extensions along with their features and ratings in this article.

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Top 10 Email Tracker Chrome Extensions

October 15, 2020

10 Best Email Tracking Apps (Chrome Extensions) for Gmail and Outlook

Looking for the best email tracker Chrome extensions? This article highlights the top 10 extensions with their features, pricing, and customer ratings.

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October 12, 2019

We’ve launched our new extension design

Our Chrome extension no longer looks like it's from the 1990s.

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July 12, 2019

How to send a cookie with a cross-origin XMLHttpRequest from a Chrome extension

When developing a Chrome extension, you might need to get an XMLHttpRequest that’s part of a content script to send cookies …

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May 1, 2019

My feelings on Google’s $15,000-$75,000 OAuth verification process and security assessment

Last October, Google announced that it would start being more stringent with software vendors building apps on top of the …

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February 5, 2019

How to handle Google’s disabling of inline installations of Chrome extensions

On June 12, 2018, Google disabled inline installation of Chrome extensions. This means that now you can’t directly install an extension …

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January 5, 2019

Announcement! Chrome extension updated with new features

We’ve just released a new version of GMass with new features and a cleaner UI. Just reload Gmail to get …

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October 16, 2018

How to redirect the user to a website after installing a Chrome extension

If you’re the developer of a Chrome extension, after a user installs your extension from the Chrome Web Store, you may …

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April 1, 2018

Mailtrack just did something brilliant

Mailtrack, a popular Chrome extension for Gmail, now uses Gmail Labels creatively to show whether an email has been opened on mobile devices.

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