ChatGPT for Gmail for Web

What this extension does

ChatGPT for Gmail is a free browser add-on that helps you write and polish emails faster. It uses an AI writing engine to propose subject lines, craft message bodies, and check clarity while you compose. The goal is to make everyday emailing quicker and more effective for both personal and business use.

Main capabilities

• Produces suggested subject lines and can generate multiple options to choose from.
• Writes full email text from a selected subject or brief prompt.
• Summarizes long conversation threads and drafts tailored replies.
• Runs live readability checks and provides a basic spam-score assessment.
• Lets you save and reuse an unlimited number of custom prompts for consistent responses.

How to get started

Installation is straightforward on Chrome — add the extension to your browser and it becomes available inside Gmail. There’s no requirement to sign in to OpenAI or a ChatGPT account to use the tool, so setup is quick and friction-free.

Benefits at a glance

• Speeds up email composition and reduces writer’s block.
• Helps maintain consistent tone across replies and templates.
• Improves clarity and reduces the risk your message is flagged as spam.
• Useful for individuals managing many messages as well as teams that send frequent emails.

Other options to consider

If you’re open to paid choices, consider Pranathiss (paid tier) as an alternative with expanded capabilities and premium support.