The 14 Best Email Management Extensions

A data-driven list of the best Browser Extensions for Email. We analyzed user ratings, popularity, and update frequency to bring you the most reliable tools available.

Last updated: December 27, 2025


Email extensions are powerful tools designed to enhance your email experience directly within your browser. They streamline workflows and add functionality that native email clients often lack.

These extensions can automate repetitive tasks, saving you valuable time. They can also provide crucial context or information without ever needing to leave your inbox.

For instance, Checker Plus for Gmail™ offers desktop notifications and quick actions for new emails. Mr. E by Easyleadz: Free B2B Phone number & Email Finder helps sales and marketing professionals quickly find contact details. Send from Gmail (by Google) allows you to send emails from any website using your Gmail account.

Ultimately, these tools tackle common frustrations, making email management more efficient and productive.

How This List Was Made

Our selection of the best email extensions is determined by our rigorous ranking system. We employ a weighted scoring model to ensure objective evaluation. This system prioritizes user satisfaction and real-world usage. User ratings contribute 40% to the score. The total number of users accounts for 35%, indicating widespread adoption. The reliability of ratings is further assessed, with 15% allocated to the proportion of users who leave reviews. Finally, the recency of updates, at 10%, ensures we feature actively maintained tools.

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