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Browser extensionsDiscontinued

Cmd J

ChatGPT assistance in Chrome through a keyboard shortcut

Cmd J is a Chrome extension that brings ChatGPT assistance into the active browser tab. Select text and use the Cmd or Alt + J shortcut to improve writing, generate blog and social posts, get search answers, or request code explanations without copying content elsewhere.

CJCmd JProduct screenshot pending
Best for
Chrome users who want ChatGPT help without switching tabs
Pricing signal
Not publicly listed
Primary category
Browser extensions
Last verified
Jul 30, 2026

The decision

Should Cmd J make your shortlist?

Start with the job, the team, and the constraints. Product fit becomes much clearer when those three line up.

Strongest fit

Who it is built for

  • Chrome users who want ChatGPT help without switching tabs
  • Writers improving selected text, emails, or blog drafts
  • Developers seeking in-browser code explanations
Practical use cases

Jobs it can take on

  • Improve grammar, spelling, and writing style in selected text
  • Generate blog and social media post drafts
  • Get code explanations and answers to coding questions
Before you choose

Know the tradeoffs

  • Cmd J is distributed as a Chrome extension.
  • Its Chrome Web Store listing was last updated in April 2023.
  • The extension's privacy disclosure states that it handles web history, user activity, and website content.

Inside the product

What you can actually do with it.

The core product capabilities, grouped around the work they enable.

Keyboard-triggered assistance

Select text and press Cmd or Alt + J to invoke ChatGPT from the active browser tab.

Writing support

The extension helps users improve writing and generate blog, email, and social media content.

Coding and search help

Cmd J provides code explanations and direct answers to search queries within Chrome.

Typical workflow

Install Cmd J from the Chrome Web Store and use it while browsing. Select text or open the shortcut with Cmd or Alt + J, then submit a request for writing, search, or code assistance.

Plans and official links

Plans and accessNot publicly listed.

See the entry price, free access options, company details, and direct vendor destinations in one place.

Choosing for a real workflow?

Make the tool work with the rest of your operation.

We map the workflow, connect existing systems, choose what to buy, and build what is missing.

Discuss your workflow